EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Basic and Diluted Earnings per Share [Line Items]
Net income from continuing operations	$ (23,163)	$ (2,342)	$ (4,196)	$ 44,521	$ (29,336)	$ 11,070	$ 157	$ 20,364	$ 14,820	$ 2,255	$ 44,870
Weighted-average common shares outstanding (in shares)									25,138,039	25,006,211	25,103,720
Weighted-average common shares, diluted (in shares)									25,582,527	25,622,812	25,640,604
Earnings per common share from continuing operations, basic (in dollars per share)	$ (0.93)	$ (0.09)	$ (0.17)	$ 1.77	$ (1.17)	$ 0.44	$ 0.01	$ 0.82	$ 0.59	$ 0.09	$ 1.79
Earnings per common share from continuing operations, diluted (in dollars per share)	(0.93)	(0.09)	(0.17)	1.74	(1.17)	0.43	0.01	0.80	0.58	0.09	1.75
Earnings per common share from discontinued operations, basic (in dollars per share)	0	0	0	0	0	0	0	(0.08)	0	(0.08)	0.24
Earnings per common share from discontinued operations, diluted (in dollars per share)	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ (0.07)	0	(0.07)	0.24
Gain on sale of discontinued operations, basic (in dollars per share)									0	1.10	0
Gain on sale of discontinued operations, diluted (in dollar per share)									0	1.07	0
Earnings per common share, basic (in dollars per share)									0.59	1.11	2.03
Earnings per common share, diluted (in dollars per share)									$ 0.58	$ 1.08	$ 1.99
Awards excluded from diluted calculation (in shares)									63,897	2,681	0
Restricted Stock Awards
Basic and Diluted Earnings per Share [Line Items]
Add dilutive effect of restricted stock awards (in shares)									232,450	273,544	250,530
Stock Options
Basic and Diluted Earnings per Share [Line Items]
Add dilutive effect of restricted stock awards (in shares)									212,038	343,057	286,354