FAIR VALUE - Fair Value Information on Financial Instruments (Details) - USD ($)		Dec. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	[1]	$ 14,749,046	$ 11,375,960
Restricted cash	[1]		57,999,396
Total assets	[1]	1,048,923,353	621,489,779
Collateralized loan obligations, net	[1]	826,782,543	463,060,090
Secured term loan	[1]	46,845,502	39,556,198
Total liabilities	[1]	879,547,853	507,786,627
Principal Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		14,749,046	11,375,960
Restricted cash		3,530,006	57,999,396
Commercial mortgage loans held-for-investment		1,001,869,994	547,345,334
Total assets		1,020,149,046	616,720,690
Collateralized loan obligations, net		833,750,000	465,316,126
Secured term loan		47,750,000	40,250,000
Total liabilities		881,500,000	505,566,126
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents			11,375,960
Restricted cash		3,530,006	57,999,396
Commercial mortgage loans held-for-investment		1,001,825,294	547,345,334
Total assets		1,020,104,346	616,720,690
Collateralized loan obligations, net		826,782,543	463,060,090
Secured term loan		46,845,502	39,556,198
Total liabilities		873,628,045	502,616,288
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		14,749,046	11,375,960
Restricted cash		3,530,006	57,999,396
Commercial mortgage loans held-for-investment		1,001,473,884	547,134,755
Total assets		1,019,752,936	616,510,111
Collateralized loan obligations, net		834,425,625	458,094,412
Secured term loan		50,986,154	44,514,373
Total liabilities		$ 885,411,779	$ 502,608,785

[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 December 31, 2021 and December 31, 2020, assets of the consolidated VIEs totaled $1,003,896,995 and $591,318,506, respectively and the liabilities of consolidated VIEs totaled $827,390,435 and $463,411,967, respectively.