Earnings per Common Share - Computation of earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income available to common shareholders (in thousands):
Net income	$ 6,304	$ 7,674
Less: Income attributable to unvested restricted stock awards	(23)	(36)
Net income available to common shareholders	$ 6,281	$ 7,638
Weighted average shares outstanding:
Common shares outstanding, including unvested restricted stock	14,117,981	13,847,560
Less: Unvested restricted stock	(50,934)	(64,526)
Weighted-average common shares outstanding - basic	14,067,047	13,783,034
Earnings per common share - basic	$ 0.45	$ 0.55
Income available to common shareholders (in thousands):
Net income	$ 6,304	$ 7,674
Less: Income attributable to unvested restricted stock awards	(23)	(36)
Net income available to common shareholders	$ 6,281	$ 7,638
Weighted average shares outstanding:
Common shares outstanding, including unvested restricted stock	14,117,981	13,847,560
Less: Unvested restricted stock	50,934	64,526
Plus: Effect of dilutive options	89,677	208,658
Weighted-average common shares outstanding - diluted	14,156,724	13,991,692
Earnings per common share - diluted	$ 0.44	$ 0.55