DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Ineffectiveness included in net income			$ 0
Interest expense	$ 3,399,000	$ 6,267,000	8,082,000	$ 12,567,000
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		$ 5,000,000
Interest expense			276,000	$ 339,000
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Swap | FHLB Advances
Derivative [Line Items]
Notional amount	$ 40,000,000		$ 40,000,000