Income Taxes - Net Deferred Tax Liability (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets:
Allowance for Credit Losses	$ 11,088	$ 10,888
Lease Liability (Operating Leases)	1,121	1,313
Unrealized Loss on Securities	58,803	57,882
Deferred Compensation and Employee Benefits	933	1,026
Other-than-temporary Impairment	246	245
Accrued Expenses	1,248	1,224
Pension and Postretirement Plans	182	182
Other Real Estate Owned	41	41
Non-Accrual Loan Interest Income	355	449
Net Operating Loss Carryforward	488	650
Other	1,046	879
Total Deferred Tax Assets	75,551	74,779
Deferred Tax Liabilities:
Depreciation	(3,095)	(3,416)
Leasing Activities, Net	(13,039)	(12,926)
FHLB Stock Dividends	(432)	(455)
Prepaid Expenses	(136)	(154)
Intangibles	(2,061)	(2,376)
Deferred Loan Fees	(996)	(954)
Mortgage Servicing Rights	(44)	(51)
Right of Use Asset (Operating Leases)	(1,080)	(1,274)
Business Combination Fair Value Adjustments	(640)	(478)
Other	(1,198)	(1,325)
Total Deferred Tax Liabilities	(22,721)	(23,409)
Valuation Allowance	0	0
Net Deferred Tax Asset/(Liability)	$ 52,830	$ 51,370