Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
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	$ 14,260	$ 31,233
Other comprehensive income (loss) before reclassifications	(145,745)	(16,736)
Amounts reclassified from other comprehensive income (loss)	(3)	(237)
Other Comprehensive Income (Loss), Net of Tax	(145,748)	(16,973)	$ 25,393
Ending balance	(131,488)	14,260	31,233
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(3,485)	(5,661)
Other comprehensive income (loss) before reclassifications	63	2,176
Amounts reclassified from other comprehensive income (loss)	0	0
Other Comprehensive Income (Loss), Net of Tax	63	2,176
Ending balance	(3,422)	(3,485)	(5,661)
Unrealized Gains (Losses) on Securities Available-for-Sale
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	17,745	36,894
Other comprehensive income (loss) before reclassifications	(145,808)	(18,912)
Amounts reclassified from other comprehensive income (loss)	(3)	(237)
Other Comprehensive Income (Loss), Net of Tax	(145,811)	(19,149)
Ending balance	$ (128,066)	$ 17,745	$ 36,894