COMMERCIAL MORTGAGE LOANS HELD-FOR-INVESTMENT - Allowance for Loan Losses (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses at beginning of period	[1]			$ 4,258,668
Provision (reversal of) credit losses		$ 791,563	$ 1,521,023	1,166,962	$ 1,872,937
Allowance for credit losses at end of period	[1]	4,716,230		4,716,230
Commercial Loans Held-For-Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses at beginning of period		3,897,895	351,914	4,258,668	0
Provision (reversal of) credit losses		818,335	1,521,023	1,179,734	1,872,937
Charge offs		0	0	(4,271,673)
Allowance for credit losses at end of period		4,716,230	1,872,937	4,716,230	1,872,937
Commercial Loans Held-For-Investment | Unfunded Loan Commitment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses at beginning of period		55,941	0	0	0
Provision (reversal of) credit losses		(26,772)	0	(12,770)	0
Charge offs		0	0	0	0
Allowance for credit losses at end of period		29,169	0	29,169	0
Transition adjustment | Accounting Standards Update 2016-13 | Commercial Loans Held-For-Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses at beginning of period		0	0	3,549,501
Transition adjustment | Accounting Standards Update 2016-13 | Commercial Loans Held-For-Investment | Unfunded Loan Commitment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses at beginning of period		$ 0	$ 0	$ 41,939	$ 0

[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 September 30, 2023 and December 31, 2022, assets of consolidated VIEs totaled $1,384,961,307 and $1,005,507,371, respectively and the liabilities of consolidated VIEs totaled $1,149,063,668 and $831,575,144 respectively. See Note 4 for further discussion.