Debt and Preferred Equity Investments - Additional Information (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($) investment	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) investment segment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) investment segment
Preferred equity investment
Number of investments, fully reserved | investment	1		1		1
Recorded investment, past due	$ 171,412,000		$ 171,412,000		$ 303,726,000
Number of portfolio segments of financial receivables (segment) | segment			1		1
Loan loss reserves and other investment reserves, net of recoveries	0	$ 0	$ (71,326,000)	$ 0
Other Assets
Preferred equity investment
Loan loss reserves and other investment reserves, net of recoveries			0	$ 0
Other Assets
Preferred equity investment
Additional amount of financing receivables included in other assets	15,400,000		15,400,000		$ 23,700,000
Financing Receivables, Equal to Greater than 90 Days Past Due
Preferred equity investment
Recorded investment, past due	$ 0		$ 0		$ 0