2020FYFALSE0000826154P2YP3Yus-gaap:OtherAssetsus-gaap:OtherAssetsus-gaap:AccruedLiabilitiesAndOtherLiabilitiesus-gaap:AccruedLiabilitiesAndOtherLiabilities00008261542020-01-012020-12-31iso4217:USD00008261542020-06-30xbrli:shares00008261542021-03-1100008261542020-12-3100008261542019-12-31iso4217:USDxbrli:shares00008261542019-01-012019-12-3100008261542018-01-012018-12-310000826154us-gaap:CommonStockMember2017-12-310000826154us-gaap:AdditionalPaidInCapitalMember2017-12-310000826154us-gaap:RetainedEarningsMember2017-12-310000826154us-gaap:AccumulatedOtherComprehensiveIncomeMember2017-12-310000826154us-gaap:TreasuryStockMember2017-12-3100008261542017-12-310000826154us-gaap:RetainedEarningsMember2018-01-012018-12-310000826154us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-01-012018-12-310000826154us-gaap:CommonStockMember2018-01-012018-12-310000826154us-gaap:AdditionalPaidInCapitalMember2018-01-012018-12-310000826154us-gaap:TreasuryStockMember2018-01-012018-12-310000826154us-gaap:CommonStockMember2018-12-310000826154us-gaap:AdditionalPaidInCapitalMember2018-12-310000826154us-gaap:RetainedEarningsMember2018-12-310000826154us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-12-310000826154us-gaap:TreasuryStockMember2018-12-3100008261542018-12-310000826154us-gaap:RetainedEarningsMember2019-01-012019-12-310000826154us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-01-012019-12-310000826154us-gaap:CommonStockMember2019-01-012019-12-310000826154us-gaap:AdditionalPaidInCapitalMember2019-01-012019-12-310000826154us-gaap:TreasuryStockMember2019-01-012019-12-310000826154us-gaap:CommonStockMember2019-12-310000826154us-gaap:AdditionalPaidInCapitalMember2019-12-310000826154us-gaap:RetainedEarningsMember2019-12-310000826154us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-12-310000826154us-gaap:TreasuryStockMember2019-12-310000826154us-gaap:RetainedEarningsMember2020-01-012020-12-310000826154us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-01-012020-12-310000826154us-gaap:CommonStockMember2020-01-012020-12-310000826154us-gaap:AdditionalPaidInCapitalMember2020-01-012020-12-310000826154us-gaap:TreasuryStockMember2020-01-012020-12-310000826154us-gaap:CommonStockMember2020-12-310000826154us-gaap:AdditionalPaidInCapitalMember2020-12-310000826154us-gaap:RetainedEarningsMember2020-12-310000826154us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-12-310000826154us-gaap:TreasuryStockMember2020-12-310000826154us-gaap:BuildingAndBuildingImprovementsMembersrt:MinimumMember2020-01-012020-12-310000826154srt:MaximumMemberus-gaap:BuildingAndBuildingImprovementsMember2020-01-012020-12-310000826154us-gaap:OtherMachineryAndEquipmentMembersrt:MinimumMember2020-01-012020-12-310000826154srt:MaximumMemberus-gaap:OtherMachineryAndEquipmentMember2020-01-012020-12-310000826154us-gaap:OtherNoncurrentAssetsMember2020-12-310000826154us-gaap:OtherNoncurrentAssetsMember2019-12-310000826154us-gaap:AccountingStandardsUpdate201602Member2019-01-010000826154wk:DepositPremiumMember2020-01-012020-12-310000826154us-gaap:CustomerListsMembersrt:MinimumMember2020-01-012020-12-310000826154us-gaap:CustomerListsMembersrt:MaximumMember2020-01-012020-12-31xbrli:purewk:investmentwk:segment0000826154wk:MercersburgFinancialCorporationMember2018-10-010000826154us-gaap:CommonStockMemberwk:MercersburgFinancialCorporationMember2018-10-012018-10-010000826154wk:MercersburgFinancialCorporationMember2018-10-012018-10-0100008261542018-09-280000826154wk:HamiltonBancorpInc.Member2019-05-010000826154us-gaap:CommonStockMemberwk:HamiltonBancorpInc.Member2019-05-012019-05-010000826154wk:HamiltonBancorpInc.Member2019-05-012019-05-0100008261542019-04-300000826154us-gaap:CoreDepositsMemberwk:HamiltonBancorpInc.Member2019-05-010000826154us-gaap:CoreDepositsMemberwk:HamiltonBancorpInc.Member2019-05-012019-05-010000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:HamiltonBancorpInc.Member2019-05-010000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:HamiltonBancorpInc.Memberwk:NonOwnerOccupiedMember2019-05-010000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:HamiltonBancorpInc.Membersrt:MultifamilyMember2019-05-010000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberwk:HamiltonBancorpInc.Member2019-05-010000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:HamiltonBancorpInc.Memberwk:CommercialAndLandDevelopmentMember2019-05-010000826154wk:HamiltonBancorpInc.Memberwk:CommercialAndIndustrialPortfolioSegmentMember2019-05-010000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HamiltonBancorpInc.Member2019-05-010000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HamiltonBancorpInc.Memberwk:HomeEquityTermMember2019-05-010000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HamiltonBancorpInc.Memberus-gaap:HomeEquityMember2019-05-010000826154wk:InstallmentandOtherLoansMemberwk:HamiltonBancorpInc.Member2019-05-010000826154wk:MercersburgFinancialCorporationMember2019-01-012019-12-310000826154wk:MercersburgFinancialCorporationMemberwk:InvestmentBankingLegalAndConsultingFeesMember2019-01-012019-12-310000826154wk:InformationSystemExpenseMemberwk:MercersburgFinancialCorporationMember2019-01-012019-12-310000826154wk:HamiltonBancorpInc.Member2019-01-012019-12-310000826154wk:HamiltonBancorpInc.Memberwk:InvestmentBankingLegalAndConsultingFeesMember2019-01-012019-12-310000826154wk:InformationSystemExpenseMemberwk:HamiltonBancorpInc.Member2019-01-012019-12-310000826154wk:HamiltonBancorpInc.Memberwk:AcquisitionRelatedCostsOtherExpensesMember2019-01-012019-12-31wk:branchLocationwk:loanProductionOffice0000826154wk:PennsylvaniaBranchLocationsMember2019-10-31utr:sqft00008261542019-10-012019-12-310000826154us-gaap:USStatesAndPoliticalSubdivisionsMember2020-12-310000826154us-gaap:ResidentialMortgageBackedSecuritiesMember2020-12-310000826154wk:ResidentialCollateralizedMortgageObligationsMember2020-12-310000826154wk:NonAgencyCollateralizedMortgageObligationsMember2020-12-310000826154wk:PrivateLabelCommercialCollateralizedMortgageObligationsCMOsMember2020-12-310000826154wk:AssetbackedSecuritiesAndOtherMember2020-12-310000826154us-gaap:OtherAggregatedInvestmentsMember2020-12-310000826154us-gaap:USStatesAndPoliticalSubdivisionsMember2019-12-310000826154wk:ResidentialCollateralizedMortgageObligationsMember2019-12-310000826154wk:NonAgencyCollateralizedMortgageObligationsMember2019-12-310000826154wk:PrivateLabelCommercialCollateralizedMortgageObligationsCMOsMember2019-12-310000826154wk:AssetbackedSecuritiesAndOtherMember2019-12-310000826154us-gaap:OtherAggregatedInvestmentsMember2019-12-31wk:securities0000826154us-gaap:CollateralPledgedMember2020-12-310000826154us-gaap:CollateralPledgedMember2019-12-310000826154wk:SmallBusinessAdministrationPaycheckProtectionProgramLoansCARESActMemberwk:CommercialAndIndustrialPortfolioSegmentMemberwk:USSmallBusinessAdministrationMember2020-12-310000826154wk:SmallBusinessAdministrationPaycheckProtectionProgramLoansCARESActMemberwk:CommercialAndIndustrialPortfolioSegmentMemberwk:USSmallBusinessAdministrationMember2019-12-31wk:loan0000826154us-gaap:PaymentDeferralMemberus-gaap:CommercialBorrowerMemberwk:USSmallBusinessAdministrationMember2020-01-012020-12-310000826154us-gaap:PaymentDeferralMemberus-gaap:CommercialBorrowerMemberwk:USSmallBusinessAdministrationMember2020-12-310000826154us-gaap:PaymentDeferralMemberwk:USSmallBusinessAdministrationMembersrt:MinimumMember2020-01-012020-12-310000826154us-gaap:PaymentDeferralMembersrt:MaximumMemberwk:USSmallBusinessAdministrationMember2020-01-012020-12-310000826154us-gaap:PaymentDeferralMemberus-gaap:ConsumerBorrowerMemberwk:USSmallBusinessAdministrationMember2020-01-012020-12-310000826154us-gaap:PaymentDeferralMemberus-gaap:ConsumerBorrowerMemberwk:USSmallBusinessAdministrationMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154wk:MunicipalMember2020-12-310000826154wk:MunicipalMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2019-12-310000826154wk:InstallmentandOtherLoansMember2020-12-310000826154wk:InstallmentandOtherLoansMember2019-12-310000826154us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:SpecialMentionMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:NonImpairedSubstandardMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:ImpairedSubstandardMember2020-12-310000826154us-gaap:DoubtfulMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:CreditDeteriorationMemberwk:OwnerOccupiedMember2020-12-310000826154us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMemberus-gaap:SpecialMentionMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMemberwk:NonImpairedSubstandardMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:ImpairedSubstandardMemberwk:NonOwnerOccupiedMember2020-12-310000826154us-gaap:DoubtfulMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:CreditDeteriorationMemberwk:NonOwnerOccupiedMember2020-12-310000826154us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:SpecialMentionMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberwk:NonImpairedSubstandardMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:ImpairedSubstandardMembersrt:MultifamilyMember2020-12-310000826154us-gaap:DoubtfulMemberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:CreditDeteriorationMembersrt:MultifamilyMember2020-12-310000826154us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:SpecialMentionMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberwk:NonImpairedSubstandardMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:ImpairedSubstandardMemberwk:NonOwnerOccupiedResidentialMember2020-12-310000826154us-gaap:DoubtfulMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:CreditDeteriorationMemberwk:NonOwnerOccupiedResidentialMember2020-12-310000826154us-gaap:PassMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberus-gaap:SpecialMentionMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberwk:NonImpairedSubstandardMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberwk:ImpairedSubstandardMember2020-12-310000826154us-gaap:DoubtfulMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CreditDeteriorationMemberwk:OneToFourFamilyResidentialConstructionMember2020-12-310000826154us-gaap:PassMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMemberus-gaap:SpecialMentionMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMemberwk:NonImpairedSubstandardMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:ImpairedSubstandardMemberwk:CommercialAndLandDevelopmentMember2020-12-310000826154us-gaap:DoubtfulMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CreditDeteriorationMemberwk:CommercialAndLandDevelopmentMember2020-12-310000826154us-gaap:PassMemberwk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:SpecialMentionMember2020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberwk:NonImpairedSubstandardMember2020-12-310000826154wk:ImpairedSubstandardMemberwk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154us-gaap:DoubtfulMemberwk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154wk:CreditDeteriorationMemberwk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154us-gaap:PassMemberwk:MunicipalMember2020-12-310000826154wk:MunicipalMemberus-gaap:SpecialMentionMember2020-12-310000826154wk:MunicipalMemberwk:NonImpairedSubstandardMember2020-12-310000826154wk:MunicipalMemberwk:ImpairedSubstandardMember2020-12-310000826154us-gaap:DoubtfulMemberwk:MunicipalMember2020-12-310000826154wk:MunicipalMemberwk:CreditDeteriorationMember2020-12-310000826154us-gaap:PassMemberwk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:SpecialMentionMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:NonImpairedSubstandardMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:ImpairedSubstandardMember2020-12-310000826154us-gaap:DoubtfulMemberwk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2020-12-310000826154wk:FirstLienMemberwk:CreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMember2020-12-310000826154us-gaap:PassMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMemberus-gaap:SpecialMentionMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMemberwk:NonImpairedSubstandardMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:ImpairedSubstandardMemberwk:HomeEquityTermMember2020-12-310000826154us-gaap:DoubtfulMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2020-12-310000826154wk:CreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2020-12-310000826154us-gaap:PassMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:SpecialMentionMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberwk:NonImpairedSubstandardMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:ImpairedSubstandardMemberus-gaap:HomeEquityMember2020-12-310000826154us-gaap:DoubtfulMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2020-12-310000826154wk:CreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2020-12-310000826154us-gaap:PassMemberwk:InstallmentandOtherLoansMember2020-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:SpecialMentionMember2020-12-310000826154wk:InstallmentandOtherLoansMemberwk:NonImpairedSubstandardMember2020-12-310000826154wk:InstallmentandOtherLoansMemberwk:ImpairedSubstandardMember2020-12-310000826154us-gaap:DoubtfulMemberwk:InstallmentandOtherLoansMember2020-12-310000826154wk:InstallmentandOtherLoansMemberwk:CreditDeteriorationMember2020-12-310000826154us-gaap:PassMember2020-12-310000826154us-gaap:SpecialMentionMember2020-12-310000826154wk:NonImpairedSubstandardMember2020-12-310000826154wk:ImpairedSubstandardMember2020-12-310000826154us-gaap:DoubtfulMember2020-12-310000826154wk:CreditDeteriorationMember2020-12-310000826154us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:SpecialMentionMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:NonImpairedSubstandardMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:ImpairedSubstandardMember2019-12-310000826154us-gaap:DoubtfulMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:CreditDeteriorationMemberwk:OwnerOccupiedMember2019-12-310000826154us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMemberus-gaap:SpecialMentionMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMemberwk:NonImpairedSubstandardMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:ImpairedSubstandardMemberwk:NonOwnerOccupiedMember2019-12-310000826154us-gaap:DoubtfulMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:CreditDeteriorationMemberwk:NonOwnerOccupiedMember2019-12-310000826154us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:SpecialMentionMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberwk:NonImpairedSubstandardMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:ImpairedSubstandardMembersrt:MultifamilyMember2019-12-310000826154us-gaap:DoubtfulMemberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:CreditDeteriorationMembersrt:MultifamilyMember2019-12-310000826154us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:SpecialMentionMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberwk:NonImpairedSubstandardMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:ImpairedSubstandardMemberwk:NonOwnerOccupiedResidentialMember2019-12-310000826154us-gaap:DoubtfulMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:CreditDeteriorationMemberwk:NonOwnerOccupiedResidentialMember2019-12-310000826154us-gaap:PassMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberus-gaap:SpecialMentionMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberwk:NonImpairedSubstandardMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberwk:ImpairedSubstandardMember2019-12-310000826154us-gaap:DoubtfulMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CreditDeteriorationMemberwk:OneToFourFamilyResidentialConstructionMember2019-12-310000826154us-gaap:PassMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMemberus-gaap:SpecialMentionMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMemberwk:NonImpairedSubstandardMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:ImpairedSubstandardMemberwk:CommercialAndLandDevelopmentMember2019-12-310000826154us-gaap:DoubtfulMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CreditDeteriorationMemberwk:CommercialAndLandDevelopmentMember2019-12-310000826154us-gaap:PassMemberwk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:SpecialMentionMember2019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberwk:NonImpairedSubstandardMember2019-12-310000826154wk:ImpairedSubstandardMemberwk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154us-gaap:DoubtfulMemberwk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154wk:CreditDeteriorationMemberwk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154us-gaap:PassMemberwk:MunicipalMember2019-12-310000826154wk:MunicipalMemberus-gaap:SpecialMentionMember2019-12-310000826154wk:MunicipalMemberwk:NonImpairedSubstandardMember2019-12-310000826154wk:MunicipalMemberwk:ImpairedSubstandardMember2019-12-310000826154us-gaap:DoubtfulMemberwk:MunicipalMember2019-12-310000826154wk:MunicipalMemberwk:CreditDeteriorationMember2019-12-310000826154us-gaap:PassMemberwk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:SpecialMentionMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:NonImpairedSubstandardMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:ImpairedSubstandardMember2019-12-310000826154us-gaap:DoubtfulMemberwk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310000826154wk:FirstLienMemberwk:CreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310000826154us-gaap:PassMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMemberus-gaap:SpecialMentionMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMemberwk:NonImpairedSubstandardMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:ImpairedSubstandardMemberwk:HomeEquityTermMember2019-12-310000826154us-gaap:DoubtfulMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2019-12-310000826154wk:CreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2019-12-310000826154us-gaap:PassMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:SpecialMentionMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberwk:NonImpairedSubstandardMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:ImpairedSubstandardMemberus-gaap:HomeEquityMember2019-12-310000826154us-gaap:DoubtfulMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2019-12-310000826154wk:CreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2019-12-310000826154us-gaap:PassMemberwk:InstallmentandOtherLoansMember2019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:SpecialMentionMember2019-12-310000826154wk:InstallmentandOtherLoansMemberwk:NonImpairedSubstandardMember2019-12-310000826154wk:InstallmentandOtherLoansMemberwk:ImpairedSubstandardMember2019-12-310000826154us-gaap:DoubtfulMemberwk:InstallmentandOtherLoansMember2019-12-310000826154wk:InstallmentandOtherLoansMemberwk:CreditDeteriorationMember2019-12-310000826154us-gaap:PassMember2019-12-310000826154us-gaap:SpecialMentionMember2019-12-310000826154wk:NonImpairedSubstandardMember2019-12-310000826154wk:ImpairedSubstandardMember2019-12-310000826154us-gaap:DoubtfulMember2019-12-310000826154wk:CreditDeteriorationMember2019-12-31wk:note0000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2020-01-012020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2019-01-012019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2018-01-012018-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2020-01-012020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2019-01-012019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2018-01-012018-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2020-01-012020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2019-01-012019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2018-01-012018-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2020-01-012020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2019-01-012019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2018-01-012018-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2020-01-012020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2019-01-012019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMember2018-01-012018-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2020-01-012020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2019-01-012019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMember2018-01-012018-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMember2020-01-012020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMember2019-01-012019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMember2018-01-012018-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2020-01-012020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2019-01-012019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMember2018-01-012018-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2020-01-012020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2019-01-012019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2018-01-012018-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2020-01-012020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2019-01-012019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMember2018-01-012018-12-310000826154wk:InstallmentandOtherLoansMember2020-01-012020-12-310000826154wk:InstallmentandOtherLoansMember2019-01-012019-12-310000826154wk:InstallmentandOtherLoansMember2018-01-012018-12-31wk:contract0000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:AccruingMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:AccruingMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:AccruingMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:AccruingMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberwk:AccruingMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberwk:AccruingMember2019-12-310000826154wk:AccruingMember2020-12-310000826154wk:AccruingMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:NonaccruingMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberwk:NonaccruingMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:NonaccruingMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberwk:NonaccruingMember2019-12-310000826154wk:NonaccruingMember2020-12-310000826154wk:NonaccruingMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:NonOwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMembersrt:MultifamilyMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:CommercialAndLandDevelopmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables60To89DaysPastDueMemberwk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:MunicipalMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:MunicipalMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:MunicipalMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:HomeEquityTermMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:HomeEquityMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:InstallmentandOtherLoansMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:NonOwnerOccupiedMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:NonOwnerOccupiedResidentialMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154wk:FirstLienMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:FirstLienMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMember2020-12-310000826154wk:FirstLienMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:HomeEquityTermMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:InstallmentandOtherLoansMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:InstallmentandOtherLoansMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:InstallmentandOtherLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2020-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2020-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMember2020-12-310000826154us-gaap:FinancingReceivables60To89DaysPastDueMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:NonOwnerOccupiedMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMembersrt:MultifamilyMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:OneToFourFamilyResidentialConstructionMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMemberwk:CommercialAndLandDevelopmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:CommercialAndLandDevelopmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables60To89DaysPastDueMemberwk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:MunicipalMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:MunicipalMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:MunicipalMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:HomeEquityTermMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:HomeEquityMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:InstallmentandOtherLoansMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:NonOwnerOccupiedMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMembersrt:MultifamilyMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:NonOwnerOccupiedResidentialMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154wk:FirstLienMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberwk:FirstLienMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310000826154wk:FirstLienMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberwk:HomeEquityTermMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberwk:HomeEquityTermMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:InstallmentandOtherLoansMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:InstallmentandOtherLoansMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberwk:InstallmentandOtherLoansMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310000826154us-gaap:FinancialAssetAcquiredWithCreditDeteriorationMemberus-gaap:FinancingReceivables60To89DaysPastDueMember2019-12-310000826154us-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310000826154us-gaap:FinancingReceivables60To89DaysPastDueMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialBorrowerMember2019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2019-12-310000826154wk:MunicipalMemberus-gaap:CommercialBorrowerMember2019-12-310000826154us-gaap:CommercialBorrowerMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerBorrowerMember2019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerBorrowerMember2019-12-310000826154us-gaap:ConsumerBorrowerMember2019-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialBorrowerMember2020-01-012020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2020-01-012020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2020-01-012020-12-310000826154wk:MunicipalMemberus-gaap:CommercialBorrowerMember2020-01-012020-12-310000826154us-gaap:CommercialBorrowerMember2020-01-012020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerBorrowerMember2020-01-012020-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerBorrowerMember2020-01-012020-12-310000826154us-gaap:ConsumerBorrowerMember2020-01-012020-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2020-01-012020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialBorrowerMember2020-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2020-12-310000826154wk:MunicipalMemberus-gaap:CommercialBorrowerMember2020-12-310000826154us-gaap:CommercialBorrowerMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerBorrowerMember2020-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerBorrowerMember2020-12-310000826154us-gaap:ConsumerBorrowerMember2020-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialBorrowerMember2018-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2018-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2018-12-310000826154wk:MunicipalMemberus-gaap:CommercialBorrowerMember2018-12-310000826154us-gaap:CommercialBorrowerMember2018-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerBorrowerMember2018-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerBorrowerMember2018-12-310000826154us-gaap:ConsumerBorrowerMember2018-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2018-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialBorrowerMember2019-01-012019-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2019-01-012019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2019-01-012019-12-310000826154wk:MunicipalMemberus-gaap:CommercialBorrowerMember2019-01-012019-12-310000826154us-gaap:CommercialBorrowerMember2019-01-012019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerBorrowerMember2019-01-012019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerBorrowerMember2019-01-012019-12-310000826154us-gaap:ConsumerBorrowerMember2019-01-012019-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2019-01-012019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialBorrowerMember2017-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2017-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2017-12-310000826154wk:MunicipalMemberus-gaap:CommercialBorrowerMember2017-12-310000826154us-gaap:CommercialBorrowerMember2017-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerBorrowerMember2017-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerBorrowerMember2017-12-310000826154us-gaap:ConsumerBorrowerMember2017-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2017-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:CommercialBorrowerMember2018-01-012018-12-310000826154wk:AcquisitionAndDevelopmentPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2018-01-012018-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:CommercialBorrowerMember2018-01-012018-12-310000826154wk:MunicipalMemberus-gaap:CommercialBorrowerMember2018-01-012018-12-310000826154us-gaap:CommercialBorrowerMember2018-01-012018-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerBorrowerMember2018-01-012018-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerBorrowerMember2018-01-012018-12-310000826154us-gaap:ConsumerBorrowerMember2018-01-012018-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2018-01-012018-12-310000826154us-gaap:CommercialLoanMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2020-12-310000826154us-gaap:CommercialLoanMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMember2020-12-310000826154us-gaap:CommercialLoanMemberwk:CommercialAndIndustrialPortfolioSegmentMember2020-12-310000826154us-gaap:CommercialLoanMemberwk:MunicipalMember2020-12-310000826154us-gaap:CommercialLoanMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerLoanMember2020-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerLoanMember2020-12-310000826154us-gaap:ConsumerLoanMember2020-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2020-12-310000826154us-gaap:CommercialLoanMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310000826154us-gaap:CommercialLoanMemberwk:AcquisitionAndDevelopmentPortfolioSegmentMember2019-12-310000826154us-gaap:CommercialLoanMemberwk:CommercialAndIndustrialPortfolioSegmentMember2019-12-310000826154us-gaap:CommercialLoanMemberwk:MunicipalMember2019-12-310000826154us-gaap:CommercialLoanMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:ConsumerLoanMember2019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:ConsumerLoanMember2019-12-310000826154us-gaap:ConsumerLoanMember2019-12-310000826154us-gaap:UnallocatedFinancingReceivablesMember2019-12-310000826154us-gaap:LandMember2020-12-310000826154us-gaap:LandMember2019-12-310000826154us-gaap:BuildingAndBuildingImprovementsMember2020-12-310000826154us-gaap:BuildingAndBuildingImprovementsMember2019-12-310000826154us-gaap:LeaseholdImprovementsMember2020-12-310000826154us-gaap:LeaseholdImprovementsMember2019-12-310000826154us-gaap:FurnitureAndFixturesMember2020-12-310000826154us-gaap:FurnitureAndFixturesMember2019-12-310000826154us-gaap:ConstructionInProgressMember2020-12-310000826154us-gaap:ConstructionInProgressMember2019-12-310000826154srt:MinimumMember2020-12-310000826154srt:MaximumMember2020-12-310000826154us-gaap:CoreDepositsMember2020-01-012020-12-310000826154us-gaap:CoreDepositsMember2019-01-012019-12-310000826154us-gaap:NoncompeteAgreementsMember2020-01-012020-12-310000826154us-gaap:NoncompeteAgreementsMember2019-01-012019-12-310000826154us-gaap:CoreDepositsMember2020-12-310000826154us-gaap:CoreDepositsMember2019-12-310000826154us-gaap:CustomerRelatedIntangibleAssetsMember2020-12-310000826154us-gaap:CustomerRelatedIntangibleAssetsMember2019-12-310000826154us-gaap:NoncompeteAgreementsMember2020-12-310000826154us-gaap:NoncompeteAgreementsMember2019-12-310000826154us-gaap:SegmentDiscontinuedOperationsMemberus-gaap:CustomerRelatedIntangibleAssetsMember2020-01-012020-12-310000826154us-gaap:PensionPlansDefinedBenefitMember2020-01-012020-12-310000826154us-gaap:PensionPlansDefinedBenefitMember2020-12-310000826154us-gaap:PensionPlansDefinedBenefitMember2019-12-310000826154us-gaap:PensionPlansDefinedBenefitMember2019-01-012019-12-310000826154us-gaap:PensionPlansDefinedBenefitMember2018-01-012018-12-310000826154us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefitMember2020-12-310000826154us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefitMember2019-12-310000826154us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefitMember2020-01-012020-12-31wk:plan0000826154us-gaap:OtherPensionPlansPostretirementOrSupplementalPlansDefinedBenefitMember2020-12-310000826154us-gaap:OtherPensionPlansPostretirementOrSupplementalPlansDefinedBenefitMember2019-12-310000826154us-gaap:OtherPensionPlansPostretirementOrSupplementalPlansDefinedBenefitMember2020-01-012020-12-310000826154us-gaap:OtherPensionPlansPostretirementOrSupplementalPlansDefinedBenefitMember2019-01-012019-12-310000826154us-gaap:OtherPensionPlansPostretirementOrSupplementalPlansDefinedBenefitMember2018-01-012018-12-310000826154us-gaap:DefinedBenefitPostretirementLifeInsuranceMember2020-12-310000826154us-gaap:DefinedBenefitPostretirementLifeInsuranceMember2020-01-012020-12-310000826154us-gaap:DefinedBenefitPostretirementLifeInsuranceMember2019-01-012019-12-310000826154us-gaap:DefinedBenefitPostretirementLifeInsuranceMember2018-01-012018-12-310000826154wk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2020-12-310000826154us-gaap:RestrictedStockMemberwk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2019-12-310000826154us-gaap:RestrictedStockMemberwk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2020-01-012020-12-310000826154us-gaap:RestrictedStockMemberwk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2020-12-310000826154us-gaap:RestrictedStockMemberwk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2019-01-012019-12-310000826154us-gaap:RestrictedStockMemberwk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2018-01-012018-12-310000826154us-gaap:EmployeeStockOptionMemberwk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2019-12-310000826154us-gaap:EmployeeStockOptionMemberwk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2020-01-012020-12-310000826154us-gaap:EmployeeStockOptionMemberwk:OrrstownFinancialServicesInc.2011IncentiveStockPlanMember2020-12-310000826154wk:EmployeeStockPurchasePlanMember2020-12-310000826154wk:EmployeeStockPurchasePlanMember2020-01-012020-12-310000826154wk:EmployeeStockPurchasePlanMember2019-01-012019-12-310000826154wk:EmployeeStockPurchasePlanMember2018-01-012018-12-310000826154us-gaap:BankTimeDepositsMember2020-12-310000826154us-gaap:BankTimeDepositsMember2019-12-310000826154wk:FhlbFixedRateAdvanceMaturingMember2020-12-310000826154wk:FhlbFixedRateAdvanceMaturingMember2019-12-310000826154wk:FhlbAmortizingAdvanceRequiringMonthlyPrincipalAndInterestPaymentsMaturingMember2020-12-310000826154wk:FhlbAmortizingAdvanceRequiringMonthlyPrincipalAndInterestPaymentsMaturingMember2019-12-31wk:bank0000826154us-gaap:NotesPayableOtherPayablesMemberwk:SubordinatedNotes2028Member2020-12-310000826154us-gaap:NotesPayableOtherPayablesMemberwk:SubordinatedNotes2028Member2019-12-310000826154us-gaap:LondonInterbankOfferedRateLIBORMemberus-gaap:NotesPayableOtherPayablesMemberwk:SubordinatedNotes2028Member2020-01-012020-12-31wk:derivativeInstrument0000826154us-gaap:InterestRateContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2020-12-310000826154us-gaap:InterestRateContractMember2020-12-310000826154us-gaap:InterestRateContractMember2019-12-31wk:customer0000826154us-gaap:NondesignatedMemberus-gaap:InterestRateContractMember2020-12-310000826154us-gaap:NondesignatedMemberus-gaap:InterestRateContractMember2019-12-310000826154us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:OtherLiabilitiesMemberwk:InterestRateContract2Member2020-12-310000826154us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:OtherLiabilitiesMemberwk:InterestRateContract2Member2019-12-310000826154us-gaap:DesignatedAsHedgingInstrumentMember2020-12-310000826154us-gaap:DesignatedAsHedgingInstrumentMember2019-12-310000826154us-gaap:NondesignatedMemberus-gaap:InterestRateContractMemberus-gaap:OtherAssetsMember2020-12-310000826154us-gaap:NondesignatedMemberus-gaap:InterestRateContractMemberus-gaap:OtherAssetsMember2019-12-310000826154us-gaap:NondesignatedMemberus-gaap:InterestRateContractMemberus-gaap:OtherLiabilitiesMember2020-12-310000826154us-gaap:NondesignatedMemberus-gaap:InterestRateContractMemberus-gaap:OtherLiabilitiesMember2019-12-310000826154us-gaap:NondesignatedMemberus-gaap:InterestRateLockCommitmentsMemberus-gaap:OtherAssetsMember2020-12-310000826154us-gaap:NondesignatedMemberus-gaap:InterestRateLockCommitmentsMemberus-gaap:OtherAssetsMember2019-12-310000826154us-gaap:NondesignatedMemberwk:ForwardSaleCommitmentsMemberus-gaap:OtherAssetsMember2020-12-310000826154us-gaap:NondesignatedMemberwk:ForwardSaleCommitmentsMemberus-gaap:OtherAssetsMember2019-12-310000826154us-gaap:NondesignatedMember2020-12-310000826154us-gaap:NondesignatedMember2019-12-310000826154us-gaap:InterestRateContractMember2020-01-012020-12-310000826154us-gaap:InterestRateContractMember2019-01-012019-12-310000826154us-gaap:InterestRateContractMemberus-gaap:InterestExpenseMember2020-01-012020-12-310000826154us-gaap:InterestRateContractMemberus-gaap:InterestExpenseMember2019-01-012019-12-310000826154us-gaap:InterestRateContractMemberus-gaap:OtherOperatingIncomeExpenseMember2020-01-012020-12-310000826154us-gaap:InterestRateContractMemberus-gaap:OtherOperatingIncomeExpenseMember2019-01-012019-12-310000826154us-gaap:InterestRateLockCommitmentsMemberus-gaap:MortgageBankingMember2020-01-012020-12-310000826154us-gaap:InterestRateLockCommitmentsMemberus-gaap:MortgageBankingMember2019-01-012019-12-310000826154us-gaap:MortgageBankingMemberwk:ForwardSaleCommitmentsMember2020-01-012020-12-310000826154us-gaap:MortgageBankingMemberwk:ForwardSaleCommitmentsMember2019-01-012019-12-310000826154us-gaap:InterestRateSwapMember2020-12-310000826154us-gaap:InterestRateSwapMember2019-12-310000826154us-gaap:InterestRateSwapMember2020-01-012020-12-310000826154us-gaap:InterestRateSwapMember2019-01-012019-12-310000826154srt:ParentCompanyMember2020-12-310000826154srt:SubsidiariesMember2020-12-310000826154srt:ParentCompanyMember2019-12-310000826154srt:SubsidiariesMember2019-12-310000826154srt:MaximumMember2015-09-3000008261542015-09-300000826154us-gaap:SubsequentEventMember2021-01-202021-01-200000826154us-gaap:EmployeeStockOptionMember2020-01-012020-12-310000826154us-gaap:EmployeeStockOptionMember2019-01-012019-12-310000826154us-gaap:EmployeeStockOptionMember2018-01-012018-12-310000826154us-gaap:HomeEquityMember2020-12-310000826154us-gaap:HomeEquityMember2019-12-310000826154wk:OneToFourFamilyResidentialConstructionLoansMember2020-12-310000826154wk:OneToFourFamilyResidentialConstructionLoansMember2019-12-310000826154wk:CommercialRealEstateConstructionAndLandDevelopmentLoansMember2020-12-310000826154wk:CommercialRealEstateConstructionAndLandDevelopmentLoansMember2019-12-310000826154wk:CommercialIndustrialAndOtherLoansMember2020-12-310000826154wk:CommercialIndustrialAndOtherLoansMember2019-12-310000826154us-gaap:StandbyLettersOfCreditMember2020-12-310000826154us-gaap:StandbyLettersOfCreditMember2019-12-310000826154wk:MortgagePartnershipFinanceProgramMember2020-12-310000826154wk:MortgagePartnershipFinanceProgramMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310000826154us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310000826154us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberwk:ResidentialCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:ResidentialCollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberwk:ResidentialCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:ResidentialCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberwk:NonAgencyCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberwk:NonAgencyCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberwk:NonAgencyCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:NonAgencyCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberwk:PrivateCommercialCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:PrivateCommercialCollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:PrivateCommercialCollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:PrivateCommercialCollateralizedMortgageObligationsMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:AssetBackedSecuritiesMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherAggregatedInvestmentsMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherAggregatedInvestmentsMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateSwapMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateSwapMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateSwapMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateSwapMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateLockCommitmentsMember2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateLockCommitmentsMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310000826154us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2019-12-310000826154us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberwk:ResidentialCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:ResidentialCollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberwk:ResidentialCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:ResidentialCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberwk:NonAgencyCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberwk:NonAgencyCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberwk:NonAgencyCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:NonAgencyCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberwk:PrivateCommercialCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:PrivateCommercialCollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:PrivateCommercialCollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel3Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberwk:PrivateCommercialCollateralizedMortgageObligationsMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:AssetBackedSecuritiesMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:AssetBackedSecuritiesMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherAggregatedInvestmentsMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherAggregatedInvestmentsMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateLockCommitmentsMember2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel3Member2019-12-310000826154us-gaap:FairValueMeasurementsRecurringMemberus-gaap:InterestRateLockCommitmentsMember2019-12-310000826154us-gaap:FairValueInputsLevel2Member2020-01-012020-12-310000826154wk:MeasurementInputPullThroughMemberus-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:InterestRateLockCommitmentsMemberwk:MeasurementInputPullThroughIncreaseDecreaseMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:InterestRateLockCommitmentsMember2020-01-012020-12-310000826154us-gaap:InterestRateLockCommitmentsMember2020-12-310000826154us-gaap:InterestRateLockCommitmentsMember2019-12-310000826154us-gaap:FairValueInputsLevel3Memberus-gaap:DebtSecuritiesMember2019-12-310000826154us-gaap:FairValueInputsLevel3Memberus-gaap:DebtSecuritiesMember2018-12-310000826154us-gaap:FairValueInputsLevel3Memberus-gaap:DebtSecuritiesMember2020-01-012020-12-310000826154us-gaap:FairValueInputsLevel3Memberus-gaap:DebtSecuritiesMember2019-01-012019-12-310000826154us-gaap:FairValueInputsLevel3Memberus-gaap:DebtSecuritiesMember2020-12-310000826154us-gaap:CollateralizedMortgageObligationsMemberus-gaap:FairValueInputsLevel3Member2020-01-012020-12-310000826154us-gaap:MunicipalBondsMemberus-gaap:FairValueInputsLevel3Member2020-01-012020-12-310000826154us-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel3Member2019-12-310000826154us-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel3Member2018-12-310000826154us-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel3Member2020-01-012020-12-310000826154us-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel3Member2019-01-012019-12-310000826154us-gaap:InterestRateLockCommitmentsMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154wk:ImpairedLoansNetMember2020-01-012020-12-310000826154wk:ImpairedLoansNetMember2019-01-012019-12-310000826154wk:ImpairedLoansNetMember2018-01-012018-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberwk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberwk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:OwnerOccupiedMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FairValueInputsLevel3Membersrt:MultifamilyMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMembersrt:MultifamilyMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:CommercialRealEstatePortfolioSegmentMemberwk:NonOwnerOccupiedResidentialMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberwk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:CommercialAndIndustrialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberwk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:FirstLienMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:ResidentialPortfolioSegmentMemberus-gaap:HomeEquityMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberwk:InstallmentandOtherLoansMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:InstallmentandOtherLoansMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:ImpairedLoansNetMemberwk:AppraisalOfCollateralMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154wk:ImpairedLoansNetMemberus-gaap:MeasurementInputDiscountRateMemberwk:AppraisalOfCollateralMemberus-gaap:FairValueMeasurementsNonrecurringMembersrt:MinimumMember2020-12-310000826154wk:ImpairedLoansNetMembersrt:MaximumMemberus-gaap:MeasurementInputDiscountRateMemberwk:AppraisalOfCollateralMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154wk:ImpairedLoansNetMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:FairValueMeasurementsNonrecurringMembersrt:MinimumMember2020-12-310000826154wk:ImpairedLoansNetMembersrt:MaximumMemberus-gaap:MeasurementInputDiscountRateMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:ValuationTechniqueDiscountedCashFlowMemberwk:MortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:MeasurementInputConstantPrepaymentRateMemberwk:MortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputDiscountRateMemberwk:MortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-12-310000826154wk:ImpairedLoansNetMemberwk:AppraisalOfCollateralMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:ImpairedLoansNetMemberus-gaap:MeasurementInputDiscountRateMemberwk:AppraisalOfCollateralMemberus-gaap:FairValueMeasurementsNonrecurringMembersrt:MinimumMember2019-12-310000826154wk:ImpairedLoansNetMembersrt:MaximumMemberus-gaap:MeasurementInputDiscountRateMemberwk:AppraisalOfCollateralMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154wk:ImpairedLoansNetMemberwk:AppraisalOfCollateralMemberus-gaap:FairValueMeasurementsNonrecurringMembersrt:MinimumMember2019-12-310000826154wk:ImpairedLoansNetMembersrt:MaximumMemberwk:AppraisalOfCollateralMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:ValuationTechniqueDiscountedCashFlowMemberwk:MortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputConstantPrepaymentRateMemberwk:MortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:MeasurementInputDiscountRateMemberwk:MortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310000826154us-gaap:CarryingReportedAmountFairValueDisclosureMember2020-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel12And3Member2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2020-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:InterestRateSwapMemberus-gaap:CarryingReportedAmountFairValueDisclosureMember2020-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:InterestRateSwapMember2020-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:InterestRateSwapMember2020-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:InterestRateSwapMemberus-gaap:FairValueInputsLevel2Member2020-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:InterestRateSwapMemberus-gaap:FairValueInputsLevel3Member2020-12-310000826154us-gaap:CarryingReportedAmountFairValueDisclosureMember2019-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel12And3Member2019-12-310000826154us-gaap:FairValueInputsLevel1Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2019-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2019-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Member2019-12-310000826154us-gaap:EstimateOfFairValueFairValueDisclosureMember2019-12-310000826154wk:ProductsAndServicesServiceChargesOnDepositsMember2020-01-012020-12-310000826154wk:ProductsAndServicesServiceChargesOnDepositsMember2019-01-012019-12-310000826154wk:ProductsAndServicesServiceChargesOnDepositsMember2018-01-012018-12-310000826154wk:LoanSwapReferralFees2020-01-012020-12-310000826154wk:LoanSwapReferralFees2019-01-012019-12-310000826154wk:LoanSwapReferralFees2018-01-012018-12-310000826154wk:ProductsAndServicesTrustAndInvestmentManagementIncomeMember2020-01-012020-12-310000826154wk:ProductsAndServicesTrustAndInvestmentManagementIncomeMember2019-01-012019-12-310000826154wk:ProductsAndServicesTrustAndInvestmentManagementIncomeMember2018-01-012018-12-310000826154wk:ProductsAndServicesBrokerageIncomeMember2020-01-012020-12-310000826154wk:ProductsAndServicesBrokerageIncomeMember2019-01-012019-12-310000826154wk:ProductsAndServicesBrokerageIncomeMember2018-01-012018-12-310000826154wk:ProductsAndServicesMerchantAndBankcardFeesInterchangeIncomeMember2020-01-012020-12-310000826154wk:ProductsAndServicesMerchantAndBankcardFeesInterchangeIncomeMember2019-01-012019-12-310000826154wk:ProductsAndServicesMerchantAndBankcardFeesInterchangeIncomeMember2018-01-012018-12-310000826154srt:ParentCompanyMember2020-01-012020-12-310000826154srt:ParentCompanyMember2019-01-012019-12-310000826154srt:ParentCompanyMember2018-01-012018-12-310000826154srt:ParentCompanyMember2018-12-310000826154srt:ParentCompanyMember2017-12-31wk:claim00008261542020-04-012020-04-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

☒			ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2020

☐			TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
			For the transition period from _____ to _____

Commission file number: 001-34292

Registrant’s Telephone Number, Including Area Code: (717) 532-6114

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class

Trading symbol(s)

Name of Each Exchange on Which Registered

Common Stock, no par value

ORRF

NASDAQ Stock Market

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  ¨    No  x

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes  ¨    No  x

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer

¨

Accelerated filer

x

Non-accelerated filer

¨

Smaller reporting company

☒

Emerging growth company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

¨

Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.

☒

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act.).    Yes  ☐    No  x

Securities registered pursuant to Section 12(b) of the Act:    No  x

The aggregate market value of the voting stock held by non-affiliates computed by reference to the price at which the common stock was last sold as of the last business day of the Registrant’s most recently completed second fiscal quarter, was approximately $159.0 million. For purposes of this calculation, the term “affiliate” refers to all directors and executive officers of the registrant, and all persons beneficially owning more than 5% of the registrant’s common stock.

Number of shares outstanding of the Registrant’s common stock as of March 11, 2021: 11,252,261.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Proxy Statement for the 2021 Annual Meeting of Shareholders are incorporated by reference in Part III of this Form 10-K.

ORRSTOWN FINANCIAL SERVICES, INC.

FORM 10-K

INDEX

 

						Page
Part I
Item 1.			Business			4
Item 1A.			Risk Factors			13
Item 1B.			Unresolved Staff Comments			25
Item 2.			Properties			25
Item 3.			Legal Proceedings			25
Item 4.			Mine Safety Disclosures			25
Part II
Item 5.			Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities			26
Item 6.			Selected Financial Data			28
Item 7.			Management’s Discussion and Analysis of Financial Condition and Results of Operations			29
Item 7A.			Quantitative and Qualitative Disclosures About Market Risk			58
Item 8.			Financial Statements and Supplementary Data			60
Item 9.			Changes in and Disagreements With Accountants on Accounting and Financial Disclosure			122
Item 9A.			Controls and Procedures			122
Item 9B.			Other Information			122
Part III
Item 10.			Directors, Executive Officers and Corporate Governance			122
Item 11.			Executive Compensation			122
Item 12.			Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters			123
Item 13.			Certain Relationships and Related Transactions, and Director Independence			123
Item 14.			Principal Accountant Fees and Services			123
Part IV
Item 15.			Exhibits and Financial Statement Schedules			124
Item 16.			Form 10-K Summary			126
Signatures						127

Glossary of Defined Terms

The following terms may be used throughout this Report, including the consolidated financial statements and related notes.

Term			Definition
ALL			Allowance for loan losses
AFS			Available for sale
AOCI			Accumulated other comprehensive income (loss)
ASC			Accounting Standards Codification
ASU			Accounting Standards Update
Bank			Orrstown Bank, the commercial banking subsidiary of Orrstown Financial Services, Inc.
BHC Act			Bank Holding Company Act of 1965
CDI			Core deposit intangible
CET1			Common Equity Tier 1
CMO			Collateralized mortgage obligation
Company			Orrstown Financial Services, Inc. and subsidiaries (interchangeable with "Orrstown” below)
CFPB			Consumer Financial Protection Bureau
CRA			Community Reinvestment Act
Dodd-Frank Act			Dodd-Frank Wall Street Reform and Consumer Protection Act
EPS			Earnings per common share
ERM			Enterprise risk management
Exchange Act			Securities Exchange Act of 1934, as amended
FASB			Financial Accounting Standards Board
FDIA			Federal Deposit Insurance Act
FDIC			Federal Deposit Insurance Corporation
FHC			Financial holding company
FHLB			Federal Home Loan Bank
FRB			Board of Governors of the Federal Reserve System
GAAP			Accounting principles generally accepted in the United States of America
GLB Act			Gramm-Leach-Bliley Act
GSE			United States government-sponsored enterprise
Hamilton			Hamilton Bancorp, Inc., and its wholly-owned banking subsidiary, Hamilton Bank (acquired May 1, 2019)
IRC			Internal Revenue Code of 1986, as amended
LHFS			Loans held for sale
MBS			Mortgage-backed securities
Mercersburg			Mercersburg Financial Corporation and its wholly-owned banking subsidiary, First Community Bank of Mercersburg (acquired October 1, 2018)
MPF Program			Mortgage Partnership Finance Program
MSR			Mortgage servicing right
NIM			Net interest margin
OCI			Other comprehensive income
OFA			Orrstown Financial Advisors, a division of the Bank that provides investment and brokerage services
OREO			Other real estate owned (foreclosed real estate)
Orrstown			Orrstown Financial Services, Inc. and subsidiaries
OTTI			Other-than-temporary impairment
Parent Company			Orrstown Financial Services, Inc., the parent company of Orrstown Bank
2011 Plan			2011 Orrstown Financial Services, Inc. Stock Incentive Plan
PCI loans			Purchased credit impaired loans
Repurchase Agreements			Securities sold under agreements to repurchase
SBA PPP			U.S. Small Business Administration Paycheck Protection Program
SEC			Securities and Exchange Commission
Securities Act			Securities Act of 1933, as amended
TDR			Troubled debt restructuring
U.S.			United States of America
Wheatland			Wheatland Advisors, Inc., the former Registered Investment Advisor subsidiary of Orrstown Financial Services, Inc.
Unless the context otherwise requires, the terms “Orrstown,” “we,” “us,” “our,” and “Company” refer to Orrstown Financial Services, Inc. and its subsidiaries.