DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Derivative [Line Items]
Ineffectiveness included in net income	$ 0
Interest expense	6,300,000	$ 3,666,000
Unrealized loss to be reclassified as a reduction of interest expense	0
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Swap
Derivative [Line Items]
Notional amount	5,000,000		$ 5,000,000
Interest expense	$ 169,000	$ 167,000