DISCONTINUED OPERATIONS (Details) (USD $)	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	Jun. 18, 2013 Campus	Jul. 31, 2012 Campus
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of campuses												5	7
Result of discontinued operations [Abstract]
Net (loss) income from discontinued operations	$ (10,279,000)	$ (2,353,000)	$ (2,690,000)	$ (2,205,000)	$ (6,605,000)	$ (3,768,000)	$ (9,644,000)	$ (1,484,000)	$ (17,526,000)	$ (21,502,000)	$ (16,000)
Ohio [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of campuses												4
Kentucky [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of campuses												1
Five Campuses [Member]
Result of discontinued operations [Abstract]
Revenue									7,724,000	19,924,000	35,099,000
(Loss) income before income tax									(17,287,000)	(13,641,000)	5,236,000
Income tax expense (benefit)									239,000	(5,444,000)	1,677,000
Net (loss) income from discontinued operations									(17,526,000)	(8,197,000)	3,559,000
Impairments of goodwill and long-lived assets									2,300,000	8,700,000
Seven Campuses [Member]
Result of discontinued operations [Abstract]
Revenue										8,500,000	20,804,000
(Loss) income before income tax										(22,142,000)	(5,260,000)
Income tax expense (benefit)										(8,837,000)	(1,685,000)
Net (loss) income from discontinued operations										(13,305,000)	(3,575,000)
Impairments of goodwill and long-lived assets										$ 9,500,000	$ 2,100,000