Debt and Preferred Equity Investments - Schedule of Debt and Preferred Equity Investments (Details) $ in Thousands	Dec. 31, 2024 USD ($) investment	Dec. 31, 2023 USD ($) investment
Debt Instrument [Line Items]
Carrying Value	$ 303,726	$ 346,745
Senior Financing	$ 1,062,021
Number of investments, nonperforming | investment	2	2
Total floating rate
Debt Instrument [Line Items]
Carrying Value	$ 117,160	$ 168,899
Total floating rate | Alternative strategy portfolio
Debt Instrument [Line Items]
Carrying Value	53,500
Mezzanine Debt
Debt Instrument [Line Items]
Carrying Value	167,006
Senior Financing	812,021
Preferred Equity
Debt Instrument [Line Items]
Carrying Value	136,720
Senior Financing	250,000
Total floating rate
Debt Instrument [Line Items]
Carrying Value	117,006
Face Value	117,160
Total floating rate | Mezzanine Debt
Debt Instrument [Line Items]
Carrying Value	117,006
Face Value	117,160
Total floating rate | Preferred Equity
Debt Instrument [Line Items]
Carrying Value	0
Face Value	$ 0
Basis spread on variable rate	0.00%
Total floating rate | Minimum | Mezzanine Debt
Debt Instrument [Line Items]
Basis spread on variable rate	5.06%
Total floating rate | Maximum | Mezzanine Debt
Debt Instrument [Line Items]
Basis spread on variable rate	11.75%
Fixed Rate
Debt Instrument [Line Items]
Carrying Value	$ 186,720
Face Value	186,720
Fixed Rate | Mezzanine Debt
Debt Instrument [Line Items]
Carrying Value	50,000
Face Value	50,000
Fixed Rate | Preferred Equity
Debt Instrument [Line Items]
Carrying Value	136,720
Face Value	$ 136,720
Interest Rate	6.50%
Fixed Rate | Minimum | Mezzanine Debt
Debt Instrument [Line Items]
Interest Rate	8.00%
Fixed Rate | Maximum | Mezzanine Debt
Debt Instrument [Line Items]
Interest Rate	8.40%