COMMERCIAL MORTGAGE LOANS HELD-FOR-INVESTMENT - Summary of Commercial Loan Risk Ratings (Details)	6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($) mortgageLoan		Dec. 31, 2023 USD ($) mortgageLoan		Dec. 31, 2022 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
Commercial mortgage loans held-for-investment, at amortized cost	$ 1,195,846,513	[1]	$ 1,389,940,203	[1]	$ 1,076,148,186
Average risk rating, moderate	3.6		3.5
Commercial Real Estate Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan	78		88
Commercial mortgage loans held-for-investment, at amortized cost	$ 1,201,753,001		$ 1,397,385,160
Year 1			17,887,019
Year 2	17,848,300		621,862,219
Year 3	619,287,002		707,350,371
Year 4	$ 549,518,037
Year 5			$ 36,781,588
Commercial Real Estate Portfolio Segment | Risk rating, 1
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan	0		0
Commercial mortgage loans held-for-investment, at amortized cost	$ 0		$ 0
Year 1			0
Year 2	0		0
Year 3	0		0
Year 4	$ 0
Year 5			$ 0
Commercial Real Estate Portfolio Segment | Risk rating, 2
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan	2		3
Commercial mortgage loans held-for-investment, at amortized cost	$ 30,720,000		$ 37,720,000
Year 1			0
Year 2	0		37,276,159
Year 3	30,289,080		0
Year 4	$ 0
Year 5			$ 0
Commercial Real Estate Portfolio Segment | Risk rating, 3
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan	53		67
Commercial mortgage loans held-for-investment, at amortized cost	$ 722,569,123		$ 1,019,844,272
Year 1			17,887,019
Year 2	17,848,300		449,921,414
Year 3	370,714,017		542,010,684
Year 4	$ 324,704,570
Year 5			$ 0
Average risk rating, percentage	62.70%		75.70%
Commercial loans that paid off	$ 119,700,000
Transition of commercial loans held for sale to a higher risk rating	7,000,000.0
Transition of commercial loans held for sale to a lower risk rating	$ 39,200,000
Commercial Real Estate Portfolio Segment | Risk rating, 4
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan	19		16
Commercial mortgage loans held-for-investment, at amortized cost	$ 364,347,698		$ 294,150,124
Year 1			0
Year 2	0		134,664,646
Year 3	135,743,248		156,450,510
Year 4	224,813,467
Year 5			$ 0
Commercial loans that paid off	30,200,000
Transition of commercial loans held for sale to a higher risk rating	$ 206,500,000
Commercial Real Estate Portfolio Segment | Risk rating, 5
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Loans | mortgageLoan	4		2
Commercial mortgage loans held-for-investment, at amortized cost	$ 84,116,180		$ 45,670,764
Year 1			0
Year 2	0		0
Year 3	82,540,657		8,889,177
Year 4	0
Year 5			$ 36,781,588
Commercial loans that paid off	45,700,000
Transition of commercial loans held for sale to a higher risk rating	17,300,000
Transition of commercial loans held for sale to a risk rating two steps higher	$ 66,900,000

[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 June 30, 2024 and December 31, 2023, assets of consolidated VIEs totaled $1,229,092,297 and $1,384,136,334, respectively and the liabilities of consolidated VIEs totaled $999,192,658 and $1,150,207,290 respectively. See Note 4 for further discussion.