PROPERTY, EQUIPMENT AND FACILITIES (Details) $ in Thousands			12 Months Ended
	Nov. 03, 2015 School	Sep. 30, 2015 Campus	Dec. 31, 2015 USD ($) School	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross			$ 188,545	$ 206,650
Less accumulated depreciation and amortization			(122,037)	(136,910)
Property, equipment and facilities, Net			66,508	69,740
Depreciation and amortization expense			$ 11,900	15,300	$ 16,600
Number of schools | School			31
Long Lived Assets Held-for-sale [Line Items]
Inventories			$ 845	411
Accounts receivable, less allowance of $3,923 and $1,545 at December 31, 2015 and 2014, respectively			5,323	1,527
Prepaid expense and other current assets			868	0
Noncurrent receivables, less allowance of $228 and $95 at December 31, 2015 and 2014, respectively			1,669	671
Property, equipment and facilities - at cost, net of accumuluated depreciation and amortization of $36,038 and $17,843 at December 31, 2015and 2014, respectively			27,250	50,252
Goodwill			8,759	1,304		$ 38,800	$ 3,100
Other assets, net			1,197	0
Unearned tuition			(10,242)	(2,536)
Accrued expenses			(1,720)	(699)
Accrued rent			(2,274)	0
Assets held for sale, net			31,675	50,930
Number of campuses held for sale | Campus		2
Long lived assets held for sale, other information [Abstract]
Accounts receivable, allowance			3,923	1,545
Noncurrent receivables, allowance			228	95
Property, equipment and facilities - accumulated depreciation and amortization			36,038	17,843
Healthcare and Other Professions Business Segment [Member]
Property, equipment and facilities net [Abstract]
Number of schools approved to divest | School	17
Number of schools | School	18
Land [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross			10,054	5,338
Buildings and Improvements [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross			112,270	128,973
Capital leased assets, gross			3,000	26,800
Capital leased assets, accumulated depreciation			1,400	10,600
Capitalized interest cost			600	600
Accumulated depreciation on capitalized interest cost			$ 600	500
Buildings and Improvements [Member] | Minimum [Member]
Property, equipment and facilities net [Abstract]
Useful life			1 year
Buildings and Improvements [Member] | Maximum [Member]
Property, equipment and facilities net [Abstract]
Useful life			25 years
Equipment, Furniture and Fixtures [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross			$ 65,445	71,005
Capital leased assets, gross			100	400
Capital leased assets, accumulated depreciation			$ 100	400
Equipment, Furniture and Fixtures [Member] | Minimum [Member]
Property, equipment and facilities net [Abstract]
Useful life			1 year
Equipment, Furniture and Fixtures [Member] | Maximum [Member]
Property, equipment and facilities net [Abstract]
Useful life			7 years
Vehicles [Member]
Property, equipment and facilities net [Abstract]
Useful life			3 years
Property, equipment and facilities, Gross			$ 617	1,300
Construction in Progress [Member]
Property, equipment and facilities net [Abstract]
Property, equipment and facilities, Gross			$ 159	$ 34