STOCKHOLDERS' EQUITY - Summary of Changes in Balances of Each Component of Accumulated Other Comprehensive Income (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ (15,832)
Ending balance	83,034
Interest Rate Swaps
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,308)
Other comprehensive income before reclassifications	(1,582)
Amounts reclassified from accumulated other comprehensive income	25
Income tax expense related to items of other comprehensive loss	0
Other comprehensive income (loss), net of tax	(1,557)
Ending balance	$ (2,865)