Investments in Unconsolidated Entities - Schedule of Income From Unconsolidated Entities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	$ 475,615	$ (149,792)	$ 459,125	$ (887,816)
Unconsolidated entities carried at historical cost:
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	435,416	(103,941)	404,079	(1,066,051)
QTS Data Centers
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	447,484	(87,322)	444,937	(1,010,702)
Retail investments
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	626	(393)	1,839	(2,947)
Net Lease investment
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	445	(123)	662	(520)
Industrial investments
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	(695)	(1,585)	(4,179)	(7,097)
Hospitality investment
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	(1,974)	(2,643)	(6,098)	(7,709)
Rental Housing investments
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	(10,470)	(11,875)	(33,082)	(37,076)
Unconsolidated entities carried at fair value:
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	40,199	(45,851)	55,046	178,235
Industrial investments
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	35,830	(53,364)	39,598	165,073
Office investment
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	5,399	8,629	19,478	16,519
Rental Housing investment
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	$ (1,030)	$ (1,116)	$ (4,030)	$ (3,357)