DISCONTINUED OPERATIONS (Details) $ in Thousands				3 Months Ended		9 Months Ended
	Jul. 01, 2016 USD ($)	Nov. 30, 2015 School	Nov. 03, 2015 School	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) School	Sep. 30, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of schools | School						30
Result of discontinued operations [Abstract]
Revenue				$ 24,464	$ 25,013	$ 74,547	$ 77,590
Loss before income tax				(1,733)	(1,374)	(1,978)	(4,271)
Income tax benefit				0	0	0	0
Net loss from discontinued operations				$ (1,733)	$ (1,374)	$ (1,978)	$ (4,271)
West Palm Beach Property [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash purchase price	$ 15,900
Healthcare and Other Professions Business Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of schools approved to divest | School		17	17
Number of schools | School		18	18