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EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Basic          
Net income attributable to common stockholders $ 3,662 $ 4,696 $ 3,993 $ 4,366 $ 4,706
Weighted average common shares outstanding (shares) 10,472,000       10,527,000
Basic earnings per share (USD per share) $ 0.35       $ 0.45
Diluted          
Net income attributable to common stockholders $ 3,662 $ 4,696 $ 3,993 $ 4,366 $ 4,706
Weighted average common shares outstanding (shares) 10,472,000       10,527,000
Add: Dilutive stock options outstanding (shares) 6,000       14,000
Average shares and dilutive potential common shares (shares) 10,478,000       10,541,000
Diluted earnings per share (USD per share) $ 0.35       $ 0.45
Additional common stock option shares that have not been included due to their antidilutive effect (shares) 20,000       0