Income Taxes - Tax Effects Of Temporary Differences That Give Rise To Significant Portions Of The Deferred Tax Assets And Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Allowance for credit losses	$ 12,202	$ 11,057
Capitalized leases
Deferred compensation	2,958	3,145
Accrued salaries	1,610	1,338
Postretirement benefits	313	354
Equity awards	2,091	2,051
Straight-line leases adjustment	1,608	1,713
Asset retirement obligation	47	68
Reserve for accrued interest receivable	681	620
Reserve for loan commitments	231	537
Employee Stock Ownership Plan	633	645
Other	323	317
Depreciation	3,552	3,229
Fair value adjustments of acquired loans	1,057	1,440
Fair value adjustments of pension benefit obligations	130	139
Unrealized losses on securities	18,875	0
Total gross deferred tax assets	46,311	26,653
Deferred tax liabilities:
Unrealized gains on securities – AFS	0	761
Unrealized actuarial gains on post retirement benefits	65	15
Fair value adjustments of acquired securities	280	580
Fair value adjustments of deposit liabilities	32	28
Deferred loan fees	2,553	2,010
Other	20	23
Total gross deferred tax liabilities	2,950	3,417
Net deferred tax asset	$ 43,361	$ 23,236