SUBSEQUENT EVENTS (Details) - USD ($)				1 Months Ended	3 Months Ended
		Feb. 05, 2024	Jan. 18, 2024	Feb. 04, 2024	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Subsequent Event [Line Items]
Loans held for investment	[1]					$ 1,383,881,197	$ 1,071,889,518
Commercial Real Estate Portfolio Segment
Subsequent Event [Line Items]
Loans held for investment						1,383,881,197	$ 1,071,889,518	$ 1,001,825,294
Multifamily | Commercial Real Estate Portfolio Segment | Risk Rating, 5
Subsequent Event [Line Items]
Outstanding Principal						8,900,000
Multifamily | Commercial Real Estate Portfolio Segment | Risk Rating, 5 | Forecast
Subsequent Event [Line Items]
Amount deemed recoverable					$ 1,900,000
Multifamily | Commercial Real Estate Portfolio Segment | Risk Rating, 5 | Subsequent Event
Subsequent Event [Line Items]
Insurance recoveries			$ 13,500,000
Outstanding Principal			$ 0
Multifamily | LFT CRE 2021-FL1, Ltd. | Forecast
Subsequent Event [Line Items]
Proceeds from collection of finance receivables		$ 3,600,000
Multifamily | LFT CRE 2021-FL1, Ltd. | Risk Rating, 5
Subsequent Event [Line Items]
Loans held for investment						$ 36,800,000
Multifamily | LFT CRE 2021-FL1, Ltd. | Risk Rating, 5 | Forecast
Subsequent Event [Line Items]
Interest income					$ 500,000
Multifamily | LFT CRE 2021-FL1, Ltd. | Secured Overnight Financing Rate (SOFR) | Risk Rating, 5 | Subsequent Event
Subsequent Event [Line Items]
Interest fixed rate		4.00%		3.27%

[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.