Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	$ (2,381)	$ 10,461	$ (9,733)	$ 31,301
Tax Benefit (Expense)	512	(2,228)	2,095	(6,711)
Net Change	(1,869)	8,233	(7,638)	24,590
Change in net unrealized gains (losses) on available-for-sale debt securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	(4,774)	8,296	(12,614)	23,343
Tax Benefit (Expense)	1,027	(1,770)	2,715	(5,007)
Net Change	(3,747)	6,526	(9,899)	18,336
Net available-for-sale securities losses reclassified into earnings
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	1,716	0	1,716	2,295
Tax Benefit (Expense)	(369)	0	(369)	(493)
Net Change	1,347	0	1,347	1,802
Change in interest rate swap
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	345	1,786	502	4,903
Tax Benefit (Expense)	(74)	(382)	(108)	(1,053)
Net Change	271	1,404	394	3,850
Adjustment to funded status of employee benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	332	379	663	760
Tax Benefit (Expense)	(72)	(76)	(143)	(158)
Net Change	$ 260	$ 303	$ 520	$ 602