LONG-TERM OBLIGATIONS - Summary of Long-Term Debt Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Term Loan [Member] | 100 Million Term Loan [Member]
Debt Instrument [Line Items]
Principal amount		$ 100,000,000
Maturity date		Aug. 28, 2020
Term Loan [Member] | 100 Million Term Loan [Member] | Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument Interest Rate at Period End		3.57%
Revolving Credit Facility [Member] | Five Hundred Fifty Million Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal amount	$ 550,000,000
Maturity date	Jun. 29, 2023
Revolving Credit Facility [Member] | Five Hundred Fifty Million Revolving Credit Facility [Member] | Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument Interest Rate at Period End	3.85%