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REAL ESTATE OWNED - Narrative (Details)			3 Months Ended		12 Months Ended
		Dec. 22, 2025 USD ($)	Mar. 31, 2026 USD ($) property	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($) property loan
Real Estate [Line Items]
Multi-family bridge loan, carrying value	[1]		$ 1,127,604,965		$ 1,136,706,113
Real estate owned, held-for-sale	[1]		23,040,000		$ 24,099,072
Loss on sale of real estate owned			$ 1,400,000
Number of real estate properties | property			4		3
Real estate investment property depreciation expense			$ 300,000
Net (expense) from real estate owned operations			$ (91,406)	$ 0
Multifamily
Real Estate [Line Items]
Real estate owned, weighted average occupancy rate			72.30%		69.10%
Multifamily | ABR Foreclosed Real Estate Owned Assets | Minimum
Real Estate [Line Items]
Overall capitalization rate assumption (percent)					6.25%
Multifamily | ABR Foreclosed Real Estate Owned Assets | Maximum
Real Estate [Line Items]
Overall capitalization rate assumption (percent)					7.40%
LCMT NPL Warehouse, LLC | Multifamily | ABR Foreclosed Real Estate Owned Assets
Real Estate [Line Items]
Multi-family bridge loan, carrying value			$ 8,200,000
Financing receivable, specific CECL reserve			2,400,000
2021-FL1 CLO | Multifamily | ABR Foreclosed Real Estate Owned Assets
Real Estate [Line Items]
Multi-family bridge loan, carrying value					$ 39,500,000
Financing receivable, specific CECL reserve					$ 2,400,000
Number of foreclosed real estate property loans | loan					2
LMF 2023-1 Financing
Real Estate [Line Items]
Real estate owned, held-for-sale		$ 8,200,000
Loss on sale of real estate owned		$ 500,000
LMF 2023-1 Financing | Multifamily | ABR Foreclosed Real Estate Owned Assets
Real Estate [Line Items]
Multi-family bridge loan, carrying value					$ 19,900,000
Financing receivable, specific CECL reserve					$ 700,000
2021-FL1 CLO and LMF 2023-1
Real Estate [Line Items]
Net (expense) from real estate owned operations			1,600,000
Net income (expense) from real estate owned operations and operating expense			$ 1,400,000
[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 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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