UNAUDITED QUARTERLY FINANCIAL INFORMATION (Details) (USD $)	3 Months Ended										12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
UNAUDITED QUARTERLY FINANCIAL INFORMATION [Abstract]
Revenues	$ 85,449,000	[1]	$ 83,982,000	[2]	$ 76,389,000	$ 79,202,000	$ 87,441,000	$ 87,740,000	$ 80,943,000	$ 85,387,000	$ 325,022,000	$ 341,512,000	$ 380,163,000
(Loss) income from continuing operations	7,112,000	[1]	(35,364,000)	[2]	(10,944,000)	(10,291,000)	(20,525,000)	564,000	(6,280,000)	(4,884,000)	(49,487,000)	(31,125,000)	(14,919,000)
Loss from discontinued operations	(2,474,000)	[1]	(2,717,000)	[2]	(652,000)	(803,000)	(11,620,000)	(2,840,000)	(3,098,000)	(2,603,000)	(6,646,000)	(20,161,000)	(22,267,000)
Net (loss) income	4,638,000	[1]	(38,081,000)	[2]	(11,596,000)	(11,094,000)	(32,145,000)	(2,276,000)	(9,378,000)	(7,487,000)	(56,133,000)	(51,286,000)	(37,186,000)
Impairment of goodwill and long-lived assets			39,300,000										18,300,000
Impairment of long-lived assets	$ 1,500,000
Basic [Abstract]
(Loss) earnings per share from continuing operations (in dollars per share)	$ 0.31	[1]	$ (1.55)	[2]	$ (0.48)	$ (0.45)	$ (0.91)	$ 0.03	$ (0.28)	$ (0.22)	$ (2.17)	$ (1.38)	$ (0.67)
Loss per share from discontinued operations (in dollars per share)	$ (0.11)	[1]	$ (0.12)	[2]	$ (0.03)	$ (0.04)	$ (0.51)	$ (0.13)	$ (0.14)	$ (0.11)	$ (0.29)	$ (0.90)	$ (1.01)
Net loss per share	$ 0.20	[1]	$ (1.67)	[2]	$ (0.51)	$ (0.49)	$ (1.42)	$ (0.10)	$ (0.42)	$ (0.33)	$ (2.46)	$ (2.28)	$ (1.68)
Diluted [Abstract]
Loss per share from continuing operations (in dollars per share)	$ 0.31	[1]	$ (1.55)	[2]	$ (0.48)	$ (0.45)	$ (0.91)	$ 0.02	$ (0.28)	$ (0.22)	$ (2.17)	$ (1.38)	$ (0.67)
Loss per share from discontinued operations (in dollars per share)	$ (0.11)	[1]	$ (0.12)	[2]	$ (0.03)	$ (0.04)	$ (0.51)	$ (0.12)	$ (0.14)	$ (0.11)	$ (0.29)	$ (0.90)	$ (1.01)
Net loss per share	$ 0.20	[1]	$ (1.67)	[2]	$ (0.51)	$ (0.49)	$ (1.42)	$ (0.10)	$ (0.42)	$ (0.33)	$ (2.46)	$ (2.28)	$ (1.68)
Weighted average number of common shares outstanding:
Basic (in shares)	22,888,000	[1]	22,843,000	[2]	22,800,000	22,723,000	22,618,000	22,528,000	22,497,000	22,414,000	22,814,105	22,513,391	22,195,407
Diluted (in shares)	23,004,000	[1]	22,843,000	[2]	22,800,000	22,723,000	22,618,000	22,811,000	22,497,000	22,414,000	22,814,105	22,513,391	22,195,407

[1] Includes impairment of long-lived assets from continuing operations of $1.5 million.

[2] Includes impairment of goodwill and long-lived assets from continuing operations of $39.3 million.