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EARNINGS PER SHARE (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
EARNINGS PER SHARE
Net income available for stockholders	$ 6,687	$ 5,794	$ 8,097	$ 6,535	$ 1,707	$ 4,208	$ 20,578	$ 12,450
Less: Adjustments for earnings attributable to participating securities	(131)			(139)			(401)	(273)
Net income used in calculating earnings per share	$ 6,556			$ 6,396			$ 20,177	$ 12,177
Weighted average shares outstanding (including participating securities)	33,993			33,928			33,982	33,946
Adjustment for participating securities	(672)			(715)			(672)	(752)
Shares used in calculating diluted earnings per share	33,321			33,213			33,310	33,194
Shares used in calculating basic and diluted earnings per share	33,321			33,213			33,310	33,194

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