Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 39,427	$ 40,546	$ 32,192
Other comprehensive income (loss):
Unrealized holding gains (loss) on available for sale securities	(85,517)	(8,570)	10,935
Tax effect	18,079	1,799	(2,297)
Reclassification of gains recognized in net income	(10)	(1)	(94)
Tax effect	2		20
Pension liability adjustment	736	992	(1,326)
Tax effect	(155)	(209)	279
Reclassification of actuatial gain (loss) recognized in net income		240	289
Tax effect		(50)	(61)
Total other comprehensive income (loss)	(66,865)	(5,799)	7,745
Comprehensive income	$ (27,438)	$ 34,747	$ 39,937