Debt and Preferred Equity Investments - Schedule of Activity in Debt and Preferred Equity Investments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) investment	Dec. 31, 2022 USD ($) investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of year	$ 623,280	$ 1,088,723
Redemptions/sales/syndications/equity ownership/amortization	(349,947)	(565,940)
Net change in loan loss reserves	(6,890)	0
Balance at end of period	$ 346,745	$ 623,280
Number of investments, nonperforming | investment	2	1
Carrying Value	$ 346,745	$ 623,280
Total floating rate
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Carrying Value	168,899	144,210
Total floating rate | Alternative strategy portfolio
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Carrying Value	49,800
Debt Investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Originations/fundings/accretion	72,160	62,992
Preferred Equity Investments
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Originations/fundings/accretion	$ 8,142	$ 37,505