Accumulated Other Comprehensive Loss - Schedule of Reclassifications out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Reclassifications out of accumulated other comprehensive income
Net unrealized (loss) gain on available for sale securities	$ (156)	$ 48	$ (168)	$ 323
Net unrecognized pension costs	(1,165)	(1,273)	(3,723)	(3,541)
Income tax effect	(1,190)	(932)	(2,869)	(2,516)
Net Income	5,250	4,125	12,913	11,154
Amount Reclassified from Accumulated Other Comprehensive Loss | Net Unrealized Gain (Loss) on Available for Sale Securities
Reclassifications out of accumulated other comprehensive income
Net unrealized (loss) gain on available for sale securities	(156)	48	(168)	323
Income tax effect	33	(9)	35	(67)
Net Income	(123)	39	(133)	256
Amount Reclassified from Accumulated Other Comprehensive Loss | Defined Benefit  Plan
Reclassifications out of accumulated other comprehensive income
Net unrecognized pension costs	(17)	(45)	(52)	(138)
Income tax effect	3	8	11	28
Net Income	$ (14)	$ (37)	$ (41)	$ (110)