PER SHARE DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic
Net income	$ 4,455	$ 7,399	$ 18,839	$ 23,246
Less: Dividends and undistributed earnings allocated to participating securities	(39)	(63)	(169)	(189)
Net income attributable to common shares	$ 4,416	$ 7,336	$ 18,670	$ 23,057
Basic weighted-average common shares outstanding (in shares)	15,364,075	15,703,932	15,482,672	15,806,897
Basic earnings per common share (in dollars per share)	$ 0.29	$ 0.47	$ 1.21	$ 1.46
Diluted
Net income attributable to common shares	$ 4,416	$ 7,336	$ 18,670	$ 23,057
Basic weighted-average common shares outstanding (in shares)	15,364,075	15,703,932	15,482,672	15,806,897
Dilutive effect of potential common stock arising from stock options (in shares)	3,114	6,413	3,276	6,232
Diluted weighted-average common shares outstanding (in shares)	15,367,189	15,710,345	15,485,948	15,813,129
Diluted earnings per common share (in dollars per share)	$ 0.29	$ 0.47	$ 1.21	$ 1.46
Weighted-average nonvested restricted shares outstanding (in shares)	136,040	133,053	139,761	129,456
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	0	0	0