PER SHARE DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Basic
Net income	$ 6,253	$ 6,895
Less: Dividends and undistributed earnings allocated to participating securities	(52)	(60)
Net income attributable to common shares	$ 6,201	$ 6,835
Basic weighted-average common shares outstanding (in shares)	15,409,680	15,645,474
EARNINGS PER COMMON SHARE - BASIC (in dollars per share)	$ 0.40	$ 0.44
Diluted
Net income attributable to common shares	$ 6,201	$ 6,835
Basic weighted-average common shares outstanding (in shares)	15,409,680	15,645,474
Dilutive effect of potential common stock arising from stock options (in shares)	937	3,701
Diluted weighted-average common shares outstanding (in shares)	15,410,617	15,649,175
EARNINGS PER COMMON SHARE - DILUTED (in dollars per share)	$ 0.40	$ 0.44
Weighted-average nonvested restricted shares outstanding (in shares)	128,435	138,141
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	0