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Multi-family Loans, at Fair Value - Geographic Concentration Risk (Details) - Preferred Equity and Mezzanine Loan Investments - Geographic Concentration Risk	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Texas
Concentration Risk [Line Items]
Geographic concentration, percent	34.90%	30.10%
Tennessee
Concentration Risk [Line Items]
Geographic concentration, percent	14.50%	15.60%
Florida
Concentration Risk [Line Items]
Geographic concentration, percent	10.10%	10.90%
Arkansas
Concentration Risk [Line Items]
Geographic concentration, percent	9.40%	0.00%
Louisiana
Concentration Risk [Line Items]
Geographic concentration, percent	7.00%	7.50%
Alabama
Concentration Risk [Line Items]
Geographic concentration, percent	6.60%	7.10%
North Carolina
Concentration Risk [Line Items]
Geographic concentration, percent	5.70%	6.10%
Indiana
Concentration Risk [Line Items]
Geographic concentration, percent	5.20%	5.70%

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- Definition

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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