SEGMENT REPORTING (Details) $ in Thousands		3 Months Ended	12 Months Ended
	Nov. 03, 2015 School	Mar. 31, 2015 Segment	Dec. 31, 2016 USD ($) Segment Location	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
SEGMENT REPORTING [Abstract]
Number of locations closed | Location			10
Number of reportable segments | Segment		3	2
Summary financial information by reporting segment [Abstract]
Revenues			$ 196,910	$ 208,256	$ 218,040
Percentage of Total Revenue			100.00%	100.00%	100.00%
Operating (Loss) Income			$ (5,163)	$ 5,949	$ (23,659)
Assets			163,207	207,750
Discontinued Operations [Member]
Summary financial information by reporting segment [Abstract]
Assets			24,786	44,369
Healthcare and Other Professions Business Segment [Member]
Segment Reporting Information [Line Items]
Number of schools approved to divest | School	15
Reportable Segments [Member] | Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues			$ 177,882	$ 183,821	$ 188,669
Percentage of Total Revenue			90.30%	88.30%	86.50%
Operating (Loss) Income			$ 21,278	$ 26,778	$ 19,519
Assets			83,320	90,045
Reportable Segments [Member] | Transitional [Member]
Summary financial information by reporting segment [Abstract]
Revenues			$ 19,028	$ 24,435	$ 29,371
Percentage of Total Revenue			9.70%	11.70%	13.50%
Operating (Loss) Income			$ (6,334)	$ (1,689)	$ (19,814)
Assets			1,594	4,492
Corporate [Member]
Summary financial information by reporting segment [Abstract]
Revenues			$ 0	$ 0	$ 0
Percentage of Total Revenue			0.00%	0.00%	0.00%
Operating (Loss) Income			$ (20,107)	$ (19,140)	$ (23,364)
Assets			$ 53,507	$ 68,844