Other Comprehensive Income (Loss) (Activity in Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Net change in fair value of cash flow hedges, net of tax	$ 1,522	$ (1,108)	$ 3,191	$ 3,912
Net change in defined benefit plan obligations, net of tax	(22)	(22)	(6,813)	(68)
Total other comprehensive income (loss), net of tax	11,121	29,168	34,343	23,995
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	12,813	40,608	32,561	26,866
Change in fair value of available for sale debt securities, income tax benefit (expense)	(3,236)	(10,354)	(8,222)	(6,851)
Change in fair value of available for sale debt securities, net of tax	9,577	30,254	24,339	20,015
Change in fair value of cash flow hedges, pre-tax	56	(3,164)	(1,579)	283
Change in fair value of cash flow hedges, income tax benefit (expense)	(14)	806	399	(73)
Change in fair value of cash flow hedges , net of tax	42	(2,358)	(1,180)	210
Net cash flow hedge (gains) losses reclassified into earnings, pre-tax	1,979	1,677	5,848	4,966
Net cash flow hedge (gains) losses reclassified into earnings, income tax benefit (expense)	(499)	(427)	(1,477)	(1,264)
Net cash flow hedge (gains) losses reclassified into earnings, net of tax	1,480	1,250	4,371	3,702
Net change in fair value of cash flow hedges, pre-tax	2,035	(1,487)	4,269	5,249
Net change in fair value of cash flow hedges, tax benefit (expense)	(513)	379	(1,078)	(1,337)
Net change in fair value of cash flow hedges, net of tax	1,522	(1,108)	3,191	3,912
Defined benefit plan obligation remeasurement, pre-tax			2,665	0
Defined benefit plan obligation remeasurement, income tax benefit (expense)			(728)	0
Defined benefit plan obligation remeasurement, net of tax			1,937	0
Pension plan settlement charge reclassified into earnings, pre-tax			6,436	0
Pension plan settlement charge reclassified into earnings, income tax benefit (expense)			(1,625)	0
Pension plan settlement charge reclassified into earnings, net of tax			4,811	0
Amortization of net actuarial losses into earnings, pre-tax	29	31	87	92
Amortization of net actuarial losses into earnings, income tax benefit (expense)	(7)	(9)	(22)	(24)
Amortization of net actuarial losses into earnings, net of tax	22	22	65	68
Net change in defined benefit plan obligations, pre-tax			9,188	92
Net change in defined benefit plan obligations, income tax benefit (expense)			(2,375)	(24)
Net change in defined benefit plan obligations, net of tax			6,813	68
Total other comprehensive income (loss), pre-tax	14,877	39,152	46,018	32,207
Total other comprehensive income (loss), income tax benefit (expense)	(3,756)	(9,984)	(11,675)	(8,212)
Total other comprehensive income (loss), net of tax	$ 11,121	$ 29,168	$ 34,343	$ 23,995