COMMERCIAL MORTGAGE LOANS HELD-FOR-INVESTMENT - Allowance for Loan Losses (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses at beginning of period	$ 0	$ 0
Provision for loan losses	4,258,668	0
Allowance for loan losses at end of period	$ 4,258,668	$ 0

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant