Stockholders’ Equity and Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	$ 136,085	$ 127,411
Other comprehensive loss, before reclassifications	(2,963)	5,571
Amounts reclassified from accumulated other comprehensive (loss) income	0	0
Current period other comprehensive loss, before tax	(2,963)	5,571
Income tax benefit	622	(1,170)
Current period other comprehensive loss, net of tax	(2,341)	4,401
Balance at end of period	136,620	128,352
Unrealized Gains (Losses) on Securities
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	(21,461)	(36,657)
Other comprehensive loss, before reclassifications	(2,804)	5,713
Amounts reclassified from accumulated other comprehensive (loss) income	0	0
Current period other comprehensive loss, before tax	(2,804)	5,713
Income tax benefit	589	(1,200)
Current period other comprehensive loss, net of tax	(2,215)	4,513
Balance at end of period	(23,676)	(32,144)
Unrecognized Net Pension and Postretirement Costs
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	7,699	4,943
Other comprehensive loss, before reclassifications	(159)	(142)
Amounts reclassified from accumulated other comprehensive (loss) income	0	0
Current period other comprehensive loss, before tax	(159)	(142)
Income tax benefit	33	30
Current period other comprehensive loss, net of tax	(126)	(112)
Balance at end of period	7,573	4,831
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	(13,762)	(31,714)
Balance at end of period	$ (16,103)	$ (27,313)