SUBSEQUENT EVENT (Details) - USD ($)					12 Months Ended
	Mar. 18, 2019	Feb. 14, 2019	Jan. 15, 2019	Dec. 27, 2018	Dec. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Preferred stock, liquidation preference, value (in dollars)					$ 25	$ 25
Preferred stock, shares outstanding (in shares)					1,610,000	1,610,000
Preferred stock, dividend rate (percentage)				8.75%	8.75%	8.75%
Preferred stock, liquidation preference (in dollars per share)				$ 25.00	$ 25.00	$ 25.00
Subsequent Event | Delayed Draw Facility | Credit Agreement
Subsequent Event [Line Items]
Principal amount		$ 40,250,000.00	$ 40,250,000.00
Maturity term			6 years
Proceeds from debt		39,300,000
Subsequent Event | Five year period following initial drawn-down | Delayed Draw Facility | Credit Agreement
Subsequent Event [Line Items]
Interest fixed rate			7.25%
Subsequent Event | First four months after fifth anniversary | Delayed Draw Facility | Credit Agreement
Subsequent Event [Line Items]
Interest fixed rate			0.25%
Subsequent Event | Second four months after fifth anniversary | Delayed Draw Facility | Credit Agreement
Subsequent Event [Line Items]
Interest fixed rate			0.375%
Subsequent Event | Last four months through maturity | Delayed Draw Facility | Credit Agreement
Subsequent Event [Line Items]
Interest fixed rate			0.50%
Subsequent Event | Redeemable Preferred Stock
Subsequent Event [Line Items]
Preferred stock, liquidation preference, value (in dollars)		$ 1,100,000
Preferred stock, shares outstanding (in shares)		1,610,000
Preferred stock, dividend rate (percentage)		8.75%
Preferred stock, liquidation preference (in dollars per share)		$ 25
Support Agreement | Hunt Investment Management, LLC | Subsequent Event
Subsequent Event [Line Items]
Maximum reduction of expense reimbursement per annum (percent)	25.00%
Maximum expense reimbursement reduction per annum	$ 568,000
Aggregate reduction of expense reimbursement	$ 1,960,000