Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Combined Federal And State Income Tax Rate	24.00%	24.00%
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ (131,488)	$ 14,260
Other comprehensive income (loss) before reclassifications	17,207	(145,745)
Amounts reclassified from other comprehensive (loss) income	3,742	(3)
Other Comprehensive Income (Loss), Net of Tax	20,949	(145,748)	$ (16,973)
Ending balance	(110,539)	(131,488)	14,260
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(3,422)	(3,485)
Other comprehensive income (loss) before reclassifications	841	63
Amounts reclassified from other comprehensive (loss) income	0	0
Other Comprehensive Income (Loss), Net of Tax	841	63
Ending balance	(2,581)	(3,422)	(3,485)
Unrealized Gains (Losses) on Securities Available-for-Sale
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(128,066)	17,745
Other comprehensive income (loss) before reclassifications	16,366	(145,808)
Amounts reclassified from other comprehensive (loss) income	3,742	(3)
Other Comprehensive Income (Loss), Net of Tax	20,108	(145,811)
Ending balance	$ (107,958)	$ (128,066)	$ 17,745