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COMMERCIAL MORTGAGE LOANS HELD-FOR-INVESTMENT - Summary of Commercial Loan Risk Ratings (Details)		3 Months Ended	12 Months Ended
		Mar. 31, 2026 USD ($) mortgageLoan	Dec. 31, 2025 USD ($) mortgageLoan
Financing Receivable, Credit Quality Indicator [Line Items]
Outstanding Principal	[1]	$ 1,127,604,965	$ 1,136,706,113
Commercial Real Estate Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan		57	61
Outstanding Principal		$ 1,130,899,067	$ 1,140,268,217
Year 1		273,541,018	226,627,703
Year 2		163,339,980	182,030,271
Year 3		0	0
Year 4		353,395,155	359,990,652
Year 5		$ 317,784,909	$ 345,399,366
Commercial Real Estate Portfolio Segment | Risk rating, 1
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan		0	0
Outstanding Principal		$ 0	$ 0
Year 1		0	0
Year 2		0	0
Year 3		0	0
Year 4		0	0
Year 5		$ 0	$ 0
Commercial Real Estate Portfolio Segment | Risk rating, 2
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan		13	9
Outstanding Principal		$ 255,595,193	$ 161,089,912
Year 1		87,627,492	43,904,254
Year 2		78,808,172	48,438,856
Year 3		0	0
Year 4		88,760,135	68,375,256
Year 5		$ 0	$ 0
Commercial Real Estate Portfolio Segment | Risk rating, 3
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan		29	38
Outstanding Principal		$ 598,294,755	$ 752,514,730
Year 1		185,913,526	182,723,449
Year 2		84,531,808	133,591,415
Year 3		0	0
Year 4		114,219,412	134,038,225
Year 5		$ 210,489,628	$ 297,723,546
Commercial Real Estate Portfolio Segment | Risk rating, 4
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan		8	6
Outstanding Principal		$ 169,076,610	$ 109,281,497
Year 1		0	0
Year 2		0	0
Year 3		0	0
Year 4		73,374,274	73,034,316
Year 5		$ 93,628,560	$ 34,009,099
Commercial Real Estate Portfolio Segment | Risk rating, 5
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan		7	8
Outstanding Principal		$ 107,932,509	$ 117,382,078
Year 1		0	0
Year 2		0	0
Year 3		0	0
Year 4		77,041,334	84,542,855
Year 5		$ 13,666,721	$ 13,666,721
[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 March 31, 2026 and December 31, 2025, assets of consolidated VIEs totaled $666,553,315 and $889,507,091, respectively and the liabilities of consolidated VIEs totaled $581,030,250 and $750,274,556 respectively. See Note 4 for further discussion.

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