NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Numerator [Abstract]
Net income	$ 48,565	$ 2,015	$ (11,484)
Less: preferred stock dividend	(1,378)	0	0
Less: allocation to preferred stockholders	(8,224)	(54)	0
Less: allocation to restricted stockholders	(2,150)	(38)	0
Net income allocated to common stockholders	$ 36,813	$ 1,923	$ (11,484)
Denominator [Abstract]
Weighted average common shares outstanding (in shares)	24,748,496	24,554,033	23,906,395
Basic net income per share (in dollars per share)	$ 1.49	$ 0.08	$ (0.48)
Denominator [Abstract]
Weighted average common shares outstanding (in shares)	24,748,496	24,554,033	23,906,395
Diluted shares outstanding (in shares)	24,748,496	24,554,033	23,906,395
Diluted net income per share (in dollars per share)	$ 1.49	$ 0.08	$ (0.48)
Antidilutive Shares [Abstract]
Antidilutive shares excluded from computation of earnings (loss) per share (in shares)	632,693	88,848
Unvested Restricted Stock [Member]
Denominator [Abstract]
Dilutive potential common shares outstanding (in shares)	0	0	0
Antidilutive Shares [Abstract]
Antidilutive shares excluded from computation of earnings (loss) per share (in shares)	632,693	88,848
Stock Options [Member]
Denominator [Abstract]
Dilutive potential common shares outstanding (in shares)	0	0	0
Series A Preferred Stock [Member]
Denominator [Abstract]
Dilutive potential common shares outstanding (in shares)	0	0	0
Antidilutive Shares [Abstract]
Antidilutive shares excluded from computation of earnings (loss) per share (in shares)	0	0