USE OF SPECIAL PURPOSE ENTITIES AND VARIABLE INTEREST ENTITIES - Summary of Loan and Borrowing Characteristics (Details)		12 Months Ended
		Dec. 31, 2022 USD ($) contract instrument mortgageLoan	Dec. 31, 2021 USD ($) mortgageLoan instrument contract
Variable Interest Entity [Line Items]
Number of Loans | mortgageLoan		1
Collateralized loan obligations, net	[1]	$ 829,310,498	$ 826,782,543
One Month LIBOR Rate (percent)		$ 0.0418	$ 0.0010
One Month SOFR Rate (percent)		4.19%	0.00%
Weighted average LIBOR floor rate (percent)		0.25%
Weighted average SOFR floor rate (percent)			0.49%
Weighted average, floating rate loan, percentage (percent)			100.00%
Basis spread on one-month LIBOR (percent)		1.43%	1.43%
London Interbank Offered Rate (LIBOR)
Variable Interest Entity [Line Items]
One Month LIBOR Rate (percent)		$ 0.0432	$ 0.0011
Weighted average, floating rate loan, percentage (percent)		80.40%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Variable Interest Entity [Line Items]
Weighted average, floating rate loan, percentage (percent)		19.60%
Commercial Real Estate Portfolio Segment
Variable Interest Entity [Line Items]
Number of Loans | mortgageLoan		71	66
Carrying Value		$ 1,076,148,186	$ 1,001,825,294
Weighted average, floating rate loan, percentage (percent)			100.00%
LFT CRE 2021-FL1, Ltd.
Variable Interest Entity [Line Items]
Number of notes issued | instrument		1
LFT CRE 2021-FL1, Ltd. | London Interbank Offered Rate (LIBOR)
Variable Interest Entity [Line Items]
Weighted average yield (percent)		7.60%
Weighted average yield (percent)		5.75%
LFT CRE 2021-FL1, Ltd. | Commercial Real Estate Portfolio Segment
Variable Interest Entity [Line Items]
Number of Loans | contract		64
Hunt CRE 2017-FL1, Ltd. and Hunt CRE 2018-FL2, Ltd.
Variable Interest Entity [Line Items]
Number of notes issued | instrument			1
Collateralized loan obligations, net		$ 829,310,498	$ 826,782,543
Hunt CRE 2017-FL1, Ltd. and Hunt CRE 2018-FL2, Ltd. | London Interbank Offered Rate (LIBOR)
Variable Interest Entity [Line Items]
Weighted average yield (percent)			3.91%
Weighted average yield (percent)			1.54%
Hunt CRE 2017-FL1, Ltd. and Hunt CRE 2018-FL2, Ltd. | Commercial Real Estate Portfolio Segment
Variable Interest Entity [Line Items]
Number of Loans | contract			64
Principal Value
Variable Interest Entity [Line Items]
Collateralized loan obligations, net		833,750,000	$ 833,750,000
Principal Value | LFT CRE 2021-FL1, Ltd.
Variable Interest Entity [Line Items]
Carrying Value		996,492,150
Collateralized loan obligations, net		833,750,000
Principal Value | Hunt CRE 2017-FL1, Ltd. and Hunt CRE 2018-FL2, Ltd.
Variable Interest Entity [Line Items]
Carrying Value			974,069,994
Collateralized loan obligations, net			833,750,000
Carrying Value
Variable Interest Entity [Line Items]
Collateralized loan obligations, net			826,782,543
Carrying Value | LFT CRE 2021-FL1, Ltd.
Variable Interest Entity [Line Items]
Carrying Value		996,511,403
Collateralized loan obligations, net		829,310,498
Debt issuance costs		$ 4,439,502	6,967,457
Carrying Value | Hunt CRE 2017-FL1, Ltd. and Hunt CRE 2018-FL2, Ltd.
Variable Interest Entity [Line Items]
Carrying Value			974,025,294
Collateralized loan obligations, net			$ 826,782,543

[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, 2022 and December 31, 2021, assets of the consolidated VIEs totaled $1,005,507,371 and $1,003,896,995, respectively and the liabilities of consolidated VIEs totaled $831,575,144 and $827,390,435, respectively.