RELATED PARTY TRANSACTIONS - Narrative (Details)				1 Months Ended		3 Months Ended				9 Months Ended
	Mar. 18, 2019 USD ($)	Jan. 18, 2018	Jun. 07, 2017	Jan. 18, 2018 USD ($)	Jun. 30, 2017	Sep. 30, 2019 USD ($) mortgage_loan contract	Jun. 30, 2019 USD ($) contract	Mar. 31, 2019 USD ($) contract mortgage_loan	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Related Party Transaction [Line Items]
Management fee percentage					1.50%			1.50%
Management fee percentage, waived portion			0.75%
Management fee waived				$ 6,959							$ 6,959
Management fee expense						$ 557,833			$ 586,926	$ 1,677,456	1,767,252
Management fee payable						561,000			592,500	561,000	592,500
Reimbursable expenses						175,174			548,132	1,232,211	1,865,057
Reimbursable expenses payable						174,561			592,500	174,561	592,500
Amount waived of reimbursable expenses						$ 345,988				$ 345,988
Percentage reduced of amount of waived exit fee						50.00%				50.00%
Backstop Guarantee | Oak Circle Capital Partners, LLC | Loan Review Services
Related Party Transaction [Line Items]
Alternative backstop fee												$ 426,770
MAXEX LLC
Related Party Transaction [Line Items]
Proceeds from fees										$ 0	148,221
Marketing fees paid											34,573
Manager Equity Plan
Related Party Transaction [Line Items]
Maximum shares issued, percentage of issued and outstanding shares of common stock										3.00%
Manager Equity Plan | Restricted Stock Units (RSUs)
Related Party Transaction [Line Items]
Compensation expense										$ 7,922	18,095
Unrecognized compensation expense						$ 0			$ 12,740	0	$ 12,740
Hunt Investment Management, LLC
Related Party Transaction [Line Items]
Annual management fee percentage		1.50%
Quarterly management fee percentage		0.375%
Quarterly incentive fee percentage		20.00%
Hurdle rate percentage		8.00%
Hunt Finance Company, LLC | Hunt CRE 2017-FL1, Ltd.
Related Party Transaction [Line Items]
Number of loans purchased						5	7	3
Unpaid principal balance of purchased loans						$ 47,667,352	$ 41,318,000	$ 40,820,000
Number of loans funded | contract							5
Unpaid principal balance of funded loans						$ 3,276,635
Number of loans sold | mortgage_loan						6
Unpaid principal balance of sold loans						$ 6,816,250
Hunt Finance Company, LLC | Hunt CRE 2018-FL2, Ltd
Related Party Transaction [Line Items]
Number of loans purchased | contract						1		1
Unpaid principal balance of purchased loans						$ 9,135,000		$ 18,000,000
Number of loans funded | mortgage_loan								9
Unpaid principal balance of funded loans								$ 3,975,905
Support Agreement | Hunt Investment Management, LLC
Related Party Transaction [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
Expense reimbursement exceeding cap						$ 89,379				$ 89,379