Accumulated Other Comprehensive Gain (Loss) - Schedule of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 172,274	$ 164,146
Ending balance	168,427	164,063
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,112)	(882)
Other comprehensive gain (loss) before reclassifications	(5,449)	(1,510)
Amounts reclassified from accumulated other comprehensive (loss) gain	15	(73)
Net current-period other comprehensive (loss) income	(5,434)	(1,583)
Ending balance	(6,546)	(2,465)
Net Unrealized Gain (Loss) on Available for Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2,373	4,714
Other comprehensive gain (loss) before reclassifications	(5,449)	(1,510)
Amounts reclassified from accumulated other comprehensive (loss) gain	2	(109)
Net current-period other comprehensive (loss) income	(5,447)	(1,619)
Ending balance	(3,074)	3,095
Defined Benefit  Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,485)	(5,596)
Other comprehensive gain (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive (loss) gain	13	36
Net current-period other comprehensive (loss) income	13	36
Ending balance	$ (3,472)	$ (5,560)