GOODWILL AND OTHER INTANGIBLES (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Sep. 30, 2014	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Changes in Carrying Amount of Goodwill [Abstract]
Gross Goodwill Balance							$ 108,417	$ 115,872	$ 117,176
Accumulated impairment losses							(93,881)	(93,665)	(54,711)
Net Goodwill Balance							14,536	22,207	62,465
Asset held for sale	[1]		$ (7,455)	$ (1,304)
Goodwill impairment			(216)	(38,954)	[2]
Finite-Lived Intangible Assets [Line Items]
Impairment		$ (500)
Assets held for sale	[1]		(1,454)
Amortization			100	200		$ 400
Assets held for sale	[1]		(378)
Net carrying amount at end of the period			50
Intangible Assets (Excluding Goodwill) [Abstract]
Gross carrying amount, Total			1,924	3,005
Impairment	[3]			(1,081)
Gross carrying amount, Total			470	1,924		3,005
Accumulated amortization, Total			733	1,124
Amortization			65	164
Impairment	[3]			(555)
Accumulated amortization, Total			420	733		1,124
Net carrying amount							50	1,191
Impairment charges included in discontinued operation				38,800
Amortization of intangible assets			100	200		400
Estimated future amortization expense [Abstract]
2015							18
2016							16
2017							16
Net carrying amount			50				50
Indefinite Trade Name [Member]
Indefinite-lived Intangible Assets [Line Items]
Gross carrying amount, beginning balance			0	180
Impairment	[3]			(180)
Gross carrying amount, ending balance				0		180
Accumulated amortization, beginning balance			0	0
Amortization				0
Impairment	[3]			0
Accumulated amortization, ending balance				0		0
Net carrying amount at end of the period			0	180		180		0	180
Accreditation [Member]
Indefinite-lived Intangible Assets [Line Items]
Gross carrying amount, beginning balance			1,064	1,166
Assets held for sale	[1]		(1,064)
Impairment	[3]			(102)
Gross carrying amount, ending balance			0	1,064		1,166
Accumulated amortization, beginning balance			0	0
Amortization			0	0
Assets held for sale	[1]		0
Impairment	[3]			0
Accumulated amortization, ending balance			0	0		0
Net carrying amount at end of the period			1,064	1,166		1,166	0	1,064	$ 1,166
Indefinite Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning balance			310	335
Impairment	[3]			(25)
Assets held for sale	[1]		0
Gross carrying amount, ending balance			310	310		335
Accumulated amortization, beginning balance			264	228
Impairment	[3]			(12)
Amortization			44	48
Assets held for sale	[1]		0
Accumulated amortization, ending balance			308	264		228
Net carrying amount at end of the period			$ 2	$ 46
Weighted average amortization period			7 years	7 years
Intangible Assets (Excluding Goodwill) [Abstract]
Amortization of intangible assets			$ 44	$ 48
Estimated future amortization expense [Abstract]
Net carrying amount			2	46			2	46
Curriculum [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning balance			550	1,124
Impairment	[3]			(574)
Assets held for sale	[1]		(390)
Gross carrying amount, ending balance			160	550		1,124
Accumulated amortization, beginning balance			469	828
Impairment	[3]			(448)
Amortization			21	89
Assets held for sale	[1]		(378)
Accumulated amortization, ending balance			112	469		828
Net carrying amount at end of the period			$ 48	$ 81
Weighted average amortization period			10 years	10 years
Intangible Assets (Excluding Goodwill) [Abstract]
Amortization of intangible assets			$ 21	$ 89
Estimated future amortization expense [Abstract]
Net carrying amount			48	81			$ 48	81
Non-compete [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning balance			0	200
Impairment	[3]			(200)
Gross carrying amount, ending balance				0		200
Accumulated amortization, beginning balance			$ 0	68
Impairment	[3]			(95)
Amortization				27
Accumulated amortization, ending balance				0		$ 68
Net carrying amount at end of the period				$ 0
Weighted average amortization period				3 years
Intangible Assets (Excluding Goodwill) [Abstract]
Amortization of intangible assets				$ 27
Estimated future amortization expense [Abstract]
Net carrying amount				$ 0				$ 0

[1] Refer to Note 6 for more information on assets held for sale.

[2] $38.8 million included in discontinued operations in the year ended December 31, 2014.

[3] Refer to Note 1 for more information related to the impairment.