Interest and Other Investment Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jul. 11, 2025	Dec. 31, 2024
Net Investment Income [Line Items]
Interest on cash and cash equivalents and restricted cash	$ 11,059	$ 10,185	$ 27,729	$ 32,470
Income (loss) from real estate fund investments	5,436	(62)	5,601	(112)
Interest on loans receivable	4,199	2,268	6,681	2,268
Change in fair value of marketable securities	1,719	0	1,719	0
Interest and other investment income, net	22,413	$ 12,391	41,730	$ 34,626
Long-term debt	$ 2,264,306		$ 2,264,306			$ 2,566,862
Mortgages Payable
Net Investment Income [Line Items]
Long-term debt					$ 145,000