Label	Element	Value
Consumer, Indirect Loan [Member]
Financing Receivable, Allowance for Credit Loss, Writeoff	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs	$ 370,000
Financing Receivable, Allowance for Credit Loss, Writeoff	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs	1,427,000
Provision for Loan, Lease, and Other Losses	us-gaap_ProvisionForLoanLeaseAndOtherLosses	8,549,000
Provision for Loan, Lease, and Other Losses	us-gaap_ProvisionForLoanLeaseAndOtherLosses	785,000
Financing Receivable, Allowance for Credit Loss, Recovery	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery	64,000
Financing Receivable, Allowance for Credit Loss, Recovery	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery	261,000
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	us-gaap_FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	0
Home Equity Line of Credit [Member]
Financing Receivable, Allowance for Credit Loss, Writeoff	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs	0
Financing Receivable, Allowance for Credit Loss, Writeoff	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs	23,000
Provision for Loan, Lease, and Other Losses	us-gaap_ProvisionForLoanLeaseAndOtherLosses	40,000
Provision for Loan, Lease, and Other Losses	us-gaap_ProvisionForLoanLeaseAndOtherLosses	237,000
Financing Receivable, Allowance for Credit Loss, Recovery	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery	11,000
Financing Receivable, Allowance for Credit Loss, Recovery	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery	2,000
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	us-gaap_FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	2,000
Consumer, Other Loan [Member]
Financing Receivable, Allowance for Credit Loss, Writeoff	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs	128,000
Financing Receivable, Allowance for Credit Loss, Writeoff	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs	15,000
Provision for Loan, Lease, and Other Losses	us-gaap_ProvisionForLoanLeaseAndOtherLosses	(78,000)
Provision for Loan, Lease, and Other Losses	us-gaap_ProvisionForLoanLeaseAndOtherLosses	1,062,000
Financing Receivable, Allowance for Credit Loss, Recovery	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery	37,000
Financing Receivable, Allowance for Credit Loss, Recovery	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery	13,000
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	us-gaap_FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	34,000
Bank Overdrafts [Member]
Financing Receivable, Allowance for Credit Loss, Writeoff	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs	534,000
Financing Receivable, Allowance for Credit Loss, Writeoff	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs	202,000
Provision for Loan, Lease, and Other Losses	us-gaap_ProvisionForLoanLeaseAndOtherLosses	360,000
Provision for Loan, Lease, and Other Losses	us-gaap_ProvisionForLoanLeaseAndOtherLosses	154,000
Financing Receivable, Allowance for Credit Loss, Recovery	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery	156,000
Financing Receivable, Allowance for Credit Loss, Recovery	us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery	47,000
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	77,000
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	76,000
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	94,000
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	us-gaap_FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	0
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	3,977,000
Loans Receivable [Member]
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	24,639,000
Treasury Stock [Member]
Payments for Repurchase of Common Stock	us-gaap_PaymentsForRepurchaseOfCommonStock	25,000,000.0
Treasury Stock [Member] | Share Repurchase Program Authorized in February 2020 [Member]
Payments for Repurchase of Common Stock	us-gaap_PaymentsForRepurchaseOfCommonStock	24,200,000
Treasury Stock [Member] | Share Repurchase Program Authorized in November 2015 [Member]
Payments for Repurchase of Common Stock	us-gaap_PaymentsForRepurchaseOfCommonStock	$ 843,000