Other Comprehensive Income (Activity in Other Comprehensive Income) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Net change in fair value of cash flow hedges, net of tax		$ 2,190	$ 593
Net change in defined benefit plan obligations, net of tax		(18)	(6,769)
Total other comprehensive income (loss), net of tax		874	19,992
Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Change in fair value of available for sale debt securities, pre-tax		(1,779)	16,896
Change in fair value of available for sale debt securities, income tax benefit (expense)		445	(4,266)
Change in fair value of available for sale debt securities, net of tax		(1,334)	12,630
Change in fair value of cash flow hedges, pre-tax		758	(1,130)
Change in fair value of cash flow hedges, income tax benefit (expense)		(190)	286
Change in fair value of cash flow hedges , net of tax		568	(844)
Net cash flow hedge (gains) losses reclassified into earnings, pre-tax	[1]	2,161	1,923
Net cash flow hedge (gains) losses reclassified into earnings, income tax benefit (expense)		(539)	(486)
Net cash flow hedge (gains) losses reclassified into earnings, net of tax		1,622	1,437
Net change in fair value of cash flow hedges, pre-tax		2,919	793
Net change in fair value of cash flow hedges, tax benefit (expense)		(729)	(200)
Net change in fair value of cash flow hedges, net of tax		2,190	593
Defined benefit plan obligation remeasurement, pre-tax		0	2,665
Defined benefit plan obligation remeasurement, income tax benefit (expense)		0	(728)
Defined benefit plan obligation remeasurement, net of tax		0	1,937
Pension plan settlement charge reclassified into earnings, pre-tax		0	6,436
Pension plan settlement charge reclassified into earnings, income tax benefit (expense)		0	(1,625)
Pension plan settlement charge reclassified into earnings, net of tax		0	4,811
Amortization of net actuarial losses into earnings, pre-tax		24	29
Amortization of net actuarial losses into earnings, income tax benefit (expense)		(6)	(8)
Amortization of net actuarial losses into earnings, net of tax		18	21
Net change in defined benefit plan obligations, pre-tax		24	9,130
Net change in defined benefit plan obligations, income tax benefit (expense)		(6)	(2,361)
Net change in defined benefit plan obligations, net of tax		18	6,769
Total other comprehensive income (loss), pre-tax		1,164	26,819
Total other comprehensive income (loss), income tax benefit (expense)		(290)	(6,827)
Total other comprehensive income (loss), net of tax		$ 874	$ 19,992

[1] See Note 6 for additional information on pre-tax amounts related to cash flow hedges that were reclassified into earnings.