UNAUDITED QUARTERLY FINANCIAL INFORMATION (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
UNAUDITED QUARTERLY FINANCIAL INFORMATION [Abstract]
Revenue	$ 48,856	$ 51,951	$ 44,739	$ 47,674	$ 53,146	$ 54,892	$ 46,673	$ 48,177	$ 193,220	$ 202,889	$ 215,596
(Loss) income from continuing operations	5,394	3,633	(5,595)	(6,142)	4,113	(263)	(8,868)	(9,804)	(2,708)	(14,822)	(27,255)
(Loss) income from discontinued operations	3,163	(1,052)	(2,010)	(741)	525	(37,818)	(2,728)	(1,290)	(642)	(41,311)	(24,031)
Net (loss) income	$ 8,557	$ 2,581	$ (7,605)	$ (6,883)	$ 4,638	$ (38,081)	$ (11,596)	$ (11,094)	$ (3,350)	$ (56,133)	$ (51,286)
Basic [Abstract]
(Loss) earnings per share from continuing operations (in dollars per share)	$ 0.23	$ 0.16	$ (0.24)	$ (0.27)	$ 0.18	$ (0.01)	$ (0.39)	$ (0.43)	$ (0.12)	$ (0.65)	$ (1.21)
(Loss) earnings per share from discontinued operations (in dollars per share)	0.14	(0.05)	(0.09)	(0.03)	0.02	(1.66)	(0.13)	(0.06)	(0.02)	(1.81)	(1.07)
Net loss per share (in dollars per share)	0.37	0.11	(0.33)	(0.30)	0.20	(1.67)	(0.52)	(0.49)	(0.14)	(2.46)	(2.28)
Diluted [Abstract]
(Loss) earnings per share from continuing operations (in dollars per share)	0.23	0.16	(0.24)	(0.27)	0.18	(0.01)	(0.39)	(0.43)	(0.12)	(0.65)	(1.21)
(Loss) earnings per share from discontinued operations (in dollars per share)	0.14	(0.05)	(0.09)	(0.03)	0.02	(1.66)	(0.13)	(0.06)	(0.02)	(1.81)	(1.07)
Net loss per share (in dollars per share)	$ 0.37	$ 0.11	$ (0.33)	$ (0.30)	$ 0.20	$ (1.67)	$ (0.52)	$ (0.49)	$ (0.14)	$ (2.46)	$ (2.28)
Weighted average number of common shares outstanding:
Basic (in shares)	23,247,000	23,230,000	23,132,000	23,056,000	22,888,000	22,843,000	22,800,000	22,723,000	23,166,977	22,814,105	22,513,391
Diluted (in shares)	23,347,000	23,270,000	23,132,000	23,056,000	23,004,000	22,843,000	22,800,000	22,723,000	23,166,977	22,814,105	22,513,391