UNAUDITED QUARTERLY FINANCIAL INFORMATION (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
UNAUDITED QUARTERLY FINANCIAL INFORMATION [Abstract]
Revenues	$ 88,475	$ 88,527	$ 81,751	$ 86,270	$ 96,962	$ 97,704	$ 91,867	$ 96,242	$ 345,024	$ 382,773	$ 456,722
(Loss) income from continuing operations	(21,866)	77	(6,688)	(5,282)	(5,334)	2,284	(11,064)	(1,571)	(33,760)	(15,684)	17,556
Loss from discontinued operations	(10,279)	(2,353)	(2,690)	(2,205)	(6,605)	(3,768)	(9,644)	(1,484)	(17,526)	(21,502)	(16)
Net loss	$ (32,145)	$ (2,276)	$ (9,378)	$ (7,487)	$ (11,939)	$ (1,484)	$ (20,708)	$ (3,055)	$ (51,286)	$ (37,186)	$ 17,540
Basic [Abstract]
(Loss) earnings per share from continuing operations (in dollars per share)	$ (0.97)	$ 0.00	$ (0.30)	$ (0.24)	$ (0.24)	$ 0.10	$ (0.50)	$ (0.07)	$ (1.50)	$ (0.71)	$ 0.80
Loss per share from discontinued operations (in dollars per share)	$ (0.45)	$ (0.10)	$ (0.12)	$ (0.10)	$ (0.30)	$ (0.17)	$ (0.43)	$ (0.07)	$ (0.78)	$ (0.97)	$ 0
Net loss per share (in dollars per share)	$ (1.42)	$ (0.10)	$ (0.42)	$ (0.33)	$ (0.54)	$ (0.07)	$ (0.93)	$ (0.14)	$ (2.28)	$ (1.68)	$ 0.80
Diluted [Abstract]
(Loss) earnings per share from continuing operations (in dollars per share)	$ (0.97)	$ 0.00	$ (0.30)	$ (0.24)	$ (0.24)	$ 0.10	$ (0.50)	$ (0.07)	$ (1.50)	$ (0.71)	$ 0.79
Loss per share from discontinued operations (in dollars per share)	$ (0.45)	$ (0.10)	$ (0.12)	$ (0.10)	$ (0.30)	$ (0.17)	$ (0.43)	$ (0.07)	$ (0.78)	$ (0.97)	$ 0
Net loss per share (in dollars per share)	$ (1.42)	$ (0.10)	$ (0.42)	$ (0.33)	$ (0.54)	$ (0.07)	$ (0.93)	$ (0.14)	$ (2.28)	$ (1.68)	$ 0.79
Weighted average number of common shares outstanding:
Basic (in shares)	22,618	22,528	22,497	22,414	22,266	22,195	22,183	22,137	22,513,391	22,195,407	22,019,563
Diluted (in shares)	22,618	22,811	22,497	22,414	22,266	22,281	22,183	22,137	22,513,391	22,195,407	22,155,000