Other Comprehensive Income (Loss) (Activity in Other Comprehensive Income) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Net change in fair value of available for sale securities, after tax		$ 28,696	$ 14,152	$ 14,442
Net change in fair value of cash flow hedges, after tax		4,796	7,681	7,026
Net change in defined benefit plan obligations, after tax		(6,370)	(149)	4,821
Total other comprehensive income, after tax		39,862	21,982	16,647
Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Change in fair value of available for sale securities, pre-tax		38,389	(12,050)	20,163
Change in fair value of available for sale securities, income tax (expense) benefit		(9,693)	2,657	(5,721)
Change is fair value of available for sale securities, net of tax		28,696	(9,393)	14,442
Net losses on securities reclassified into earnings, pre-tax			31,047
Net losses on securities reclassified into earnings, income tax (expense) benefit			(7,502)
Net losses on securities reclassified into earnings, net of tax			23,545
Net change in fair value of available for sale securities, pre-tax			18,997
Net change in fair value of available for sale securities, income tax (expense) benefit			(4,845)
Net change in fair value of available for sale securities, after tax			14,152
Changes in fair value of cash flow hedges, pre-tax		(1,540)	3,506	1,647
Changes in fair value of cash flow hedges, income tax (expense) benefit		383	(918)	(346)
Changes in fair value of cash flow hedges, net of tax		(1,157)	2,588	1,301
Net cash flow hedge losses reclassified into earnings, pre-tax	[1]	7,956	6,830	7,563
Net cash flow hedge losses reclassified into earnings, income tax (expense) benefit		(2,003)	(1,737)	(1,838)
Net cash flow hedge losses reclassified into earnings, after tax		5,953	5,093	5,725
Net change in the fair value of cash flow hedges, pre-tax		6,416	10,336	9,210
Net change in the fair value of cash flow hedges, income tax (expense) benefit		(1,620)	(2,655)	(2,184)
Net change in fair value of cash flow hedges, after tax		4,796	7,681	7,026
Defined benefit plan obligation remeasurement, pre-tax		1,881	77	(6,712)
Defined benefit plan obligation remeasurement, income tax (expense) benefit		(408)	(19)	1,712
Defined benefit plan obligation remeasurement, after tax		1,473	58	(5,000)
Amortization of net actuarial losses into earnings, pre-tax	[2]	115	123	237
Amortization of net actuarial losses into earnings, income tax (expense) benefit		(29)	(32)	(58)
Amortization of net actuarial losses into earnings, after tax		86	91	179
Pension plan settlement charge reclassified into earnings, pre-tax		6,436
Pension plan settlement charge reclassified into earnings, income tax (expense) benefit)		(1,625)
Pension plan settlement charge reclassified into earnings, after tax		4,811
Net change in defined benefit plan obligations, pre-tax		8,432	200	(6,475)
Net change in defined benefit plan obligations, income tax (expense) benefit		(2,062)	(51)	1,654
Net change in defined benefit plan obligations, after tax		6,370	149	(4,821)
Total other comprehensive income, pre-tax		53,237	29,533	22,898
Total other comprehensive income, income tax (expense) benefit		(13,375)	(7,551)	(6,251)
Total other comprehensive income, after tax		$ 39,862	$ 21,982	$ 16,647

[1] See Note 9 for additional information on the pre-tax amounts related to cash flow hedges that were reclassified into earnings.

[2] See Note 16 for additional information on the pre-tax amounts related to defined benefit plans that were reclassified into earnings.