DERIVATIVE FINANCIAL INSTRUMENT AND HEDGING ACTIVITY - Additional information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Feb. 28, 2019	Dec. 31, 2018	Dec. 27, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (5,013)	$ (5,013)		$ (379)
Term Loan [Member] | Senior Secured Credit Facility [Member]
Debt Instrument, Face Amount				$ 72,200	$ 72,200
Interest rate swap [Member] | Delayed Draw Term Loan [Member]
Derivative Asset, Notional Amount			$ 118,000
Derivative, Swaption Interest Rate			2.47%
Derivative Liability, Fair Value, Gross Liability	3,800	3,800
Unrealized Gain Loss On Interest Rate Cash Flow Hedges Net Of Tax Accumulated Other Comprehensive Income Loss	(1,800)	(3,000)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3,000)	(3,000)
Interest rate swap [Member] | Term Loan [Member]
Derivative Asset, Notional Amount	$ 71,300	$ 71,300			$ 72,200
Derivative, Swaption Interest Rate	2.60%	2.60%
Interest Expense	$ 22	$ 40
Derivative Liability, Fair Value, Gross Liability	2,600	2,600
Unrealized Gain Loss On Interest Rate Cash Flow Hedges Net Of Tax Accumulated Other Comprehensive Income Loss	(1,000)	(1,600)
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (2,000)	$ (2,000)