COMMERCIAL MORTGAGE LOANS HELD-FOR-INVESTMENT Summary of Commercial Loan Risk Ratings (Details)		12 Months Ended
		Dec. 31, 2023 USD ($) mortgageLoan	Dec. 31, 2022 USD ($) mortgageLoan
Financing Receivable, Recorded Investment [Line Items]
Commercial mortgage loans held-for-investment, at amortized cost	[1]	$ 1,389,940,203	$ 1,076,148,186
Average risk rate		3.5	3.0
Purchases and advances		$ 594,201,680	$ 345,921,827
Commercial Real Estate Portfolio Segment
Financing Receivable, Recorded Investment [Line Items]
Number of Loans | mortgageLoan		88	71
Commercial mortgage loans held-for-investment, at amortized cost		$ 1,397,385,160	$ 1,076,865,099
Year 1		17,887,019	201,852,224
Year 2		621,862,219	785,619,407
Year 3		707,350,371
Year 4			42,077,193
Year 5		36,781,588	22,672,623
Before year 5			19,668,071
Purchases and advances		$ 594,201,680	$ 345,158,577
Commercial Real Estate Portfolio Segment | Risk Rating, 1
Financing Receivable, Recorded Investment [Line Items]
Number of Loans | mortgageLoan		0	0
Commercial mortgage loans held-for-investment, at amortized cost		$ 0	$ 0
Year 1		0	0
Year 2		0	0
Year 3		0
Year 4			0
Year 5		$ 0	0
Before year 5			$ 0
Commercial Real Estate Portfolio Segment | Risk Rating, 2
Financing Receivable, Recorded Investment [Line Items]
Number of Loans | mortgageLoan		3	11
Commercial mortgage loans held-for-investment, at amortized cost		$ 37,720,000	$ 153,933,750
Year 1		0	85,198,084
Year 2		37,276,159	67,999,500
Year 3		0
Year 4			0
Year 5		0	0
Before year 5			$ 0
Commercial loans that paid off		41,200,000
Purchases and advances		7,000,000
Transition of commercial loans held for sale to a lower risk rating		$ 169,900,000
Commercial Real Estate Portfolio Segment | Risk Rating, 3
Financing Receivable, Recorded Investment [Line Items]
Number of Loans | mortgageLoan		67	55
Commercial mortgage loans held-for-investment, at amortized cost		$ 1,019,844,272	$ 852,474,681
Year 1		17,887,019	101,654,140
Year 2		449,921,414	672,421,907
Year 3		542,010,684
Year 4			42,077,193
Year 5		$ 0	16,672,623
Before year 5			$ 19,668,071
Average risk rating, percentage		75.70%	93.80%
Commercial loans that paid off		$ 192,600,000
Purchases and advances		475,500,000
Transition of commercial loans held for sale to a higher risk rating		82,100,000
Transition of commercial loans held for sale to a lower risk rating		$ 9,100,000
Commercial Real Estate Portfolio Segment | Risk Rating, 4
Financing Receivable, Recorded Investment [Line Items]
Number of Loans | mortgageLoan		16	3
Commercial mortgage loans held-for-investment, at amortized cost		$ 294,150,124	$ 47,448,000
Year 1		0	15,000,000
Year 2		134,664,646	32,448,000
Year 3		156,450,510
Year 4			0
Year 5		0	0
Before year 5			$ 0
Commercial loans that paid off		14,100,000
Purchases and advances		$ 85,900,000
Commercial Real Estate Portfolio Segment | Risk Rating, 5
Financing Receivable, Recorded Investment [Line Items]
Number of Loans | mortgageLoan		2	2
Commercial mortgage loans held-for-investment, at amortized cost		$ 45,670,764	$ 23,008,668
Year 1		0	0
Year 2		0	12,750,000
Year 3		8,889,177
Year 4			0
Year 5		36,781,588	6,000,000
Before year 5			$ 0
Transition of commercial loans held for sale to a risk rating two steps higher		$ 36,800,000

[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, 2023 and December 31, 2022, assets of the consolidated VIEs totaled $1,384,136,334 and $1,005,507,371, respectively and the liabilities of consolidated VIEs totaled $1,150,207,290 and $831,575,144, respectively. See Note 4 for further discussion.