DERIVATIVE INSTRUMENTS - Additional Information (Details) - Interest Rate Swaps $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($) agreement
Cash Flow Hedging
Derivative [Line Items]
Number of interest rate swap agreements | agreement		2
Aggregate notional amount		$ 185.3
Fixed interest rate (percent)		2.82%
Reclassification out of Accumulated Other Comprehensive Income | Accumulated other comprehensive (loss) income, net of tax
Derivative [Line Items]
Interest expense	$ 0.3