Other Comprehensive Income (Loss) (Components of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accumulated other comprehensive income (loss), beginning balance	$ (141,153)
Net other comprehensive income (loss)	21,982	$ 16,647	$ (137,819)
Accumulated other comprehensive income (loss), ending balance	(119,171)	(141,153)
Net Unrealized Gains (Losses) on AFS Securities [Member]
Accumulated other comprehensive income (loss), beginning balance	(116,591)	(131,033)	(6,795)
Other comprehensive income (loss) before reclassifications, net of tax	(9,393)	14,442	(124,238)
Amounts reclassified from accumulated other comprehensive income, net of tax	23,545	0	0
Net other comprehensive income (loss)	14,152	14,442	(124,238)
Accumulated other comprehensive income (loss), ending balance	(102,439)	(116,591)	(131,033)
Net Unrealized Gains (Losses) on Cash Flow Hedges [Member]
Accumulated other comprehensive income (loss), beginning balance	(15,619)	(22,645)	(4,013)
Other comprehensive income (loss) before reclassifications, net of tax	2,588	1,301	(20,781)
Amounts reclassified from accumulated other comprehensive income, net of tax	5,093	5,725	2,149
Net other comprehensive income (loss)	7,681	7,026	(18,632)
Accumulated other comprehensive income (loss), ending balance	(7,938)	(15,619)	(22,645)
Net Unrealized Gains (Losses) on Defined Benefit Plan Obligations [Member]
Accumulated other comprehensive income (loss), beginning balance	(8,943)	(4,122)	(9,173)
Other comprehensive income (loss) before reclassifications, net of tax	58	(5,000)	3,750
Amounts reclassified from accumulated other comprehensive income, net of tax	91	179	1,301
Net other comprehensive income (loss)	149	(4,821)	5,051
Accumulated other comprehensive income (loss), ending balance	(8,794)	(8,943)	(4,122)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated other comprehensive income (loss), beginning balance	(141,153)	(157,800)	(19,981)
Other comprehensive income (loss) before reclassifications, net of tax	(6,747)	10,743	(141,269)
Amounts reclassified from accumulated other comprehensive income, net of tax	28,729	5,904	3,450
Net other comprehensive income (loss)	21,982	16,647	(137,819)
Accumulated other comprehensive income (loss), ending balance	$ (119,171)	$ (141,153)	$ (157,800)