PER SHARE DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Basic
Net income	$ 7,489	$ 7,060	$ 14,384	$ 15,847
Less: Dividends and undistributed earnings allocated to participating securities	(70)	(61)	(130)	(126)
Net income attributable to common shares	$ 7,419	$ 6,999	$ 14,254	$ 15,721
Basic weighted-average common shares outstanding (in shares)	15,441,564	15,868,150	15,542,959	15,859,236
Basic earnings per common share (in dollars per share)	$ 0.48	$ 0.44	$ 0.92	$ 0.99
Diluted
Net income attributable to common shares	$ 7,419	$ 6,999	$ 14,254	$ 15,721
Basic weighted-average common shares outstanding (in shares)	15,441,564	15,868,150	15,542,959	15,859,236
Dilutive effect of potential common stock arising from stock options (in shares)	3,009	6,833	3,360	5,922
Diluted weighted-average common shares outstanding (in shares)	15,444,573	15,874,983	15,546,319	15,865,158
Diluted earnings per common share (in dollars per share)	$ 0.48	$ 0.44	$ 0.92	$ 0.99
Weighted-average nonvested restricted shares outstanding (in shares)	145,132	136,711	141,656	127,627
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	0	0	0