Accumulated Other Comprehensive Income (Loss) - Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Interest and dividend income	$ 109,499	$ 92,117
Provision for income taxes	1,313	1,411
Total before tax	4,997	5,455
Interest (expense)	(67,102)	(46,855)
Other operating expense	6,227	6,453
Net Income (Loss)	3,684	4,044
Reclassification out of Accumulated Other Comprehensive Income [Member]
Total before tax	63
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Provision for income taxes	(2,132)	(1,328)
Total before tax	4,730
Interest (expense)	6,862	4,288
Net Income (Loss)		2,960
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Other operating expense	92	100
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Provision for income taxes	$ (29)	(31)
Net Income (Loss)		$ 69