USE OF SPECIAL PURPOSE ENTITIES AND VARIABLE INTEREST ENTITIES - Condensed Consolidated Balance Sheets (Details)		3 Months Ended
		Mar. 31, 2021 USD ($) loan		Dec. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Variable Interest Entity [Line Items]
Cash, cash equivalents and restricted cash		$ 43,871,992		$ 69,375,356	$ 18,248,414	$ 16,011,830
Accrued interest receivable	[1]	2,173,007		2,015,617
Investment related receivable	[1]	34,539,187		0
Loans held for investment		484,165,249	[1]	547,345,334
Total Assets	[1]	567,406,572		621,489,779
Accrued interest payable	[1]	393,130		432,936
Collateralized loan obligations	[1]	409,404,872		463,060,090
Total Liabilities	[1]	453,140,504		507,786,627
Equity	[1]	114,166,568		113,603,652
Total liabilities and equity	[1]	567,406,572		621,489,779
Principal amount		40,250,000		40,250,000
Hunt CRE 2017-FL1, Ltd. and Hunt CRE 2018-FL2, Ltd.
Variable Interest Entity [Line Items]
Cash, cash equivalents and restricted cash		32,154,188		57,999,396
Accrued interest receivable		2,110,781		1,955,709
Investment related receivable		34,188,949		0
Loans held for investment		468,945,755		531,363,401
Total Assets		537,399,673		591,318,506
Accrued interest payable		312,071		351,877
Collateralized loan obligations		409,404,872		463,060,090
Total Liabilities		409,716,943		463,411,967
Equity		127,682,730		127,906,539
Total liabilities and equity		$ 537,399,673		$ 591,318,506
Hunt CRE 2017-FL1, Ltd.
Variable Interest Entity [Line Items]
Number of loans | loan		1
Principal amount		$ 9,808,696
Hunt CRE 2018-FL2, Ltd
Variable Interest Entity [Line Items]
Number of loans | loan		2
Principal amount		$ 24,380,253
Hunt CRE 2018-FL2, Ltd | Credit Agreement
Variable Interest Entity [Line Items]
Interest and exit fees receivable		$ 498,911

[1] Our consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company was the primary beneficiary of these VIEs. As of March 31, 2021 and December 31, 2020, assets of consolidated VIEs related to Hunt CRE 2017-F1, Ltd. and Hunt CRE 2018-FL2, Ltd. totaled $537,399,673 and $591,318,506, respectively and the liabilities of consolidated VIEs related to Hunt CRE 2017-FL1, Ltd. and Hunt CRE 2018-FL2, Ltd totaled $409,716,943 and $463,411,967 respectively. See Note 4 for further discussion.