Income Taxes Schedule of deferred income tax asset and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Components of Deferred Tax Assets [Abstract]
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses	$ 18,153	$ 19,512
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions	1,540	9,150
Deferred Tax Assets, Hedging Transactions	55	186
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation	6,294	3,887
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses	909	1,012
Deferred tax asset, deferred loan fees	2,569	3,283
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	432	571
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	2,694	2,567
Deferred Tax Assets, Operating Loss Carryforwards	3,197	3,629
Deferred Tax Assets, Property, Plant and Equipment	249	0
Deferred Tax Assets, Operating lease liability	3,111	3,561
Deferred Tax Assets, Investments	69	0
Deferred Tax Assets, Other	1,854	1,424
Deferred Tax Assets, Gross	41,126	48,782
Components of Deferred Tax Liabilities [Abstract]
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	5,623	10,507
Deferred Tax Liabilities, Property, Plant and Equipment	0	3,360
Deferred Tax Liabilities, Investments	6,363	6,637
Deferred Tax Liabilities, Prepaid Expenses	19,182	20,407
Deferred Tax Liabilities, Mortgage Servicing Rights	3,333	2,781
Deferred Tax Liabilities, Partnership Adjustments	0	204
Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost	880	604
Deferred Tax Liabilities, Operating lease right of use asset	2,917	3,343
Deferred Tax Liabilities, Leasing Arrangements	2,764	3,433
Deferred Tax Liabilities, Other	514	398
Deferred Tax Liabilities, Tax Deferred Income	41,576	51,674
Net deferred tax liability	$ 450	$ 2,892