Multi-family Loans, at Fair Value - Schedule of Geographic Concentration Risk (Details) - Preferred Equity and Mezzanine Loan Investments - Geographic Concentration Risk	9 Months Ended	12 Months Ended
Sep. 30, 2026	Dec. 31, 2025
Texas
Concentration Risk [Line Items]
Geographic concentration, percent	86.40%	57.80%
Indiana
Concentration Risk [Line Items]
Geographic concentration, percent	13.60%	8.50%
Florida
Concentration Risk [Line Items]
Geographic concentration, percent	0.00%	18.60%
Arkansas
Concentration Risk [Line Items]
Geographic concentration, percent	0.00%	9.30%
Pennsylvania
Concentration Risk [Line Items]
Geographic concentration, percent	0.00%	5.70%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References + Details