Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
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	$ 31,233	$ 5,840
Other comprehensive income before reclassifications	(16,736)	24,252
Amounts reclassified from other comprehensive income	(237)	(47)
Reclassification of unrealized gains on held-to-maturity securities to available-for-sale		1,188
Other Comprehensive Income (Loss), Net of Tax	(16,973)	25,393	$ 20,322
Ending balance	14,260	31,233	5,840
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(5,661)	(6,270)
Other comprehensive income before reclassifications	2,176	609
Amounts reclassified from other comprehensive income	0	0
Reclassification of unrealized gains on held-to-maturity securities to available-for-sale		0
Other Comprehensive Income (Loss), Net of Tax	2,176	609
Ending balance	(3,485)	(5,661)	(6,270)
Unrealized Gains (Losses) on Securities Available-for-Sale
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	36,894	12,110
Other comprehensive income before reclassifications	(18,912)	23,643
Amounts reclassified from other comprehensive income	(237)	(47)
Reclassification of unrealized gains on held-to-maturity securities to available-for-sale		1,188
Other Comprehensive Income (Loss), Net of Tax	(19,149)	24,784
Ending balance	$ 17,745	$ 36,894	$ 12,110