Income Taxes Schedule of deferred income tax asset and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Components of Deferred Tax Assets [Abstract]
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses	$ 18,248	$ 18,615
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions	0	1,776
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross	18,045	25,443
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation	6,177	6,255
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses	100	11
Deferred tax asset, deferred loan fees	1,384	1,898
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	205	317
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	3,019	2,827
Deferred Tax Assets, Operating Loss Carryforwards	2,222	2,654
Deferred Tax Assets, Capital Loss Carryforwards	0	299
Deferred Tax Assets, Property, Plant and Equipment	1,243	510
Deferred Tax Assets, Operating lease liability	3,620	4,206
Deferred Tax Assets, Other	1,759	1,950
Deferred Tax Assets, Gross	56,022	66,761
Components of Deferred Tax Liabilities [Abstract]
Deferred Tax Liabilities, Other Comprehensive Income	449	0
Deferred Tax Liabilities, Investments	2,455	4,890
Deferred Tax Liabilities, Prepaid Expenses	19,962	19,678
Deferred Tax Liabilities, Mortgage Servicing Rights	3,196	3,445
Deferred Tax Liabilities, Partnership Adjustments	1,540	884
Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost	807	952
Deferred Tax Liabilities, Operating lease right of use asset	3,426	3,837
Deferred Tax Liabilities, Leasing Arrangements	2,308	2,325
Deferred Tax Liabilities, Other	614	565
Deferred Tax Liabilities, Tax Deferred Income	34,757	36,576
Deferred Tax Assets, Net	$ 21,265	$ 30,185