BASIS OF PRESENTATION (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) state location	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) segment state location	Sep. 30, 2017 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of service locations | location	70		70
Number of states in which the entity does business | state	27		27
Number of operating segments | segment			1
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net revenue	$ 180,962	$ 198,692	$ 525,335	$ 634,608
Gross profit	65,911	66,563	180,916	199,048
Loss from continuing operations, net of income taxes	(8,103)	(13,058)	(36,212)	(61,629)
Income (loss) from discontinued operations, net of income taxes	(71)	66	(118)	(606)
Net loss	$ (8,174)	(12,992)	$ (36,330)	(62,235)
Accounting For Suspense and Clearing Accounts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net revenue		198,692		634,608
Gross profit		66,563		199,048
Total Operating Expenses		66,201		220,631
Interest expense		13,360		38,649
Loss from continuing operations, net of income taxes		(13,058)		(61,628)
Income (loss) from discontinued operations, net of income taxes		66		(606)
Net loss		(12,992)		(62,234)
Previously Reported | Accounting For Suspense and Clearing Accounts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net revenue		198,692		634,608
Gross profit		67,176		201,070
Total Operating Expenses		66,345		221,128
Interest expense		13,175		38,635
Loss from continuing operations, net of income taxes		(12,404)		(60,090)
Income (loss) from discontinued operations, net of income taxes		(113)		(1,053)
Net loss		(12,517)		(61,143)
Corrections | Accounting For Suspense and Clearing Accounts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net revenue		0		0
Gross profit		(613)		(2,022)
Total Operating Expenses		(144)		(497)
Interest expense		185		14
Loss from continuing operations, net of income taxes		(654)		(1,538)
Income (loss) from discontinued operations, net of income taxes		179		447
Net loss		$ (475)		$ (1,091)