Stockholders' Equity and Earnings per Common Share, Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Stockholders Equity Note [Abstract]
Beginning Balance	$ 102,542	$ 101,150	$ 98,734	$ 120,818
Ending Balance	99,526	93,512	99,526	93,512
Other comprehensive income (Loss), pretax [Abstract]
Unrealized holding losses arising during the period, pretax	(4,885)	(10,124)	(3,771)	(32,307)
Reclassification adjustment for gains (losses) recognized in income, pretax	(30)	0	134	0
Total change in accumulated other comprehensive income (loss), net, pretax	(4,915)	(10,124)	(3,637)	(32,307)
Other Comprehensive Income (Loss), Tax Effect [Abstract]
Unrealized holding losses arising during the period, tax effect	(1,026)	(2,127)	(792)	(6,785)
Reclassification adjustment for gains (losses) recognized in income, tax effect	6	0	(28)	0
Total change in accumulated other comprehensive income (loss), net, tax effect	(1,020)	(2,127)	(820)	(6,785)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net unrealized losses on available-for-sale securities	(3,859)	(7,997)	(2,979)	(25,522)
Reclassification adjustment for gains (losses) recognized in income, net of tax	(24)	0	106	0
Other comprehensive loss, net of tax	(3,883)	(7,997)	(2,873)	(25,522)
Unrealized Gains (Losses) on Available-for-Sale Securities [Member]
Stockholders Equity Note [Abstract]
Beginning Balance	(19,757)	(15,850)	(20,767)	1,675
Net other comprehensive loss	(3,883)	(7,997)	(2,873)	(25,522)
Ending Balance	(23,640)	(23,847)	(23,640)	(23,847)
Accumulated Other Comprehensive (Loss) Income [Member]
Stockholders Equity Note [Abstract]
Beginning Balance	(19,757)	(15,850)	(20,767)	1,675
Net other comprehensive loss	(3,883)	(7,997)	(2,873)	(25,522)
Ending Balance	(23,640)	(23,847)	(23,640)	(23,847)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive loss, net of tax	$ (3,883)	$ (7,997)	$ (2,873)	$ (25,522)