COMMERCIAL MORTGAGE LOAN HELD-FOR-INVESTMENT - Loan Portfolio Activity (Details) - USD ($)		12 Months Ended
		Dec. 31, 2024		Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance		$ 1,383,881,197	[1]	$ 1,071,889,518
Purchases and advances		58,423,744		594,201,680
Principal payments		(391,025,468)		(277,481,511)
Origination and other loan fees		(1,487,623)		0
Accretion of purchase discount		3,534,649		1,070,701
Amortization of purchase premium		0		(19,253)
Accretion of deferred loan fees		737,793		292,073
Ending Balance	[1]	1,048,803,078		1,383,881,197
Commercial Real Estate Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance		1,383,881,197		1,071,889,518
Purchases and advances		58,423,744		594,201,680
Principal payments		(391,025,468)		(277,481,511)
Origination and other loan fees		(1,487,623)
Accretion of purchase discount		3,534,649		1,070,701
Amortization of purchase premium				(19,253)
Accretion of deferred loan fees		737,793		292,073
Provision for credit losses		(5,261,214)		(2,522,510)
Ending Balance		$ 1,048,803,078		1,383,881,197
Commercial Real Estate Portfolio Segment | Cumulative-effect adjustment upon adoption of ASU 2013-16
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance				$ (3,549,501)

[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, 2024 and December 31, 2023, assets of the consolidated VIEs totaled $1,058,138,406 and $1,384,136,334, respectively and the liabilities of consolidated VIEs totaled $831,001,605 and $1,150,207,290, respectively. See Note 4 for further discussion.