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EARNINGS PER SHARE (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
EARNINGS PER SHARE
Net income available for stockholders	$ 5,794	$ 8,097	$ 1,707	$ 4,208	$ 13,891	$ 5,915
Less: Adjustments for earnings attributable to participating securities	(112)		(58)		(270)	(148)
Net income used in calculating earnings per share	$ 5,682		$ 1,649		$ 13,621	$ 5,767
Weighted average shares outstanding (including participating securities)	33,994		33,970		33,976	33,955
Adjustment for participating securities	(673)		(759)		(672)	(767)
Shares used in calculating basic and diluted earnings per share	33,321		33,211		33,304	33,188

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