SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015 USD ($) Segment School State Site	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)
Business Activities [Abstract]
Number of reportable segments | Segment	3
Number of schools operating across the United States | School	31
Number of states in which schools operate across the United States | State	15
Liquidity [Abstract]
Goodwill impairment loss pre tax charge		$ 39,000
Cash and cash equivalents	$ 32,422	12,299	$ 12,702	$ 12,886
Cash received from term loan	19,600
Assets held for sale	$ 44,762	$ 50,930
New Accounting Pronouncements [Abstract]
Number of training sites | Site	5