Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024 USD ($)
Segment information
Number of operating segments | segment			3
Total revenues	$ 244,817	$ 229,691	$ 726,579	$ 640,393
Number of reportable segments | segment			3
Expenses
SUMMIT Operator expenses	35,959	37,901	$ 82,570	82,947
Operating Expenses	57,673	49,507	164,840	139,448
Real estate taxes	37,627	30,831	112,594	94,495
Operating lease rent	6,106	6,363	18,317	19,136
Real Estate segment Net operating income	209,254	149,439	474,550	583,625
Equity in net (loss) income from unconsolidated joint ventures	(9,287)	(15,428)	(30,892)	100,057
Income from debt fund investments, net	1,176	0	1,776	0
Loan loss reserves and other investment reserves, net of recoveries	0	0	(71,326)	0
Depreciation and amortization	(63,216)	(53,176)	(187,874)	(154,007)
Interest expense, net of interest income	(47,235)	(42,091)	(138,234)	(109,067)
Interest expense on senior obligations of consolidated securitization vehicles	(10,838)	(3,330)	(45,827)	(3,330)
Non-operating net loss from unconsolidated joint ventures	(127,170)	(73,174)	(247,875)	(221,071)
Marketing, general and administrative expense	(23,701)	(21,015)	(67,004)	(62,360)
Transaction related costs	(13,129)	(171)	(13,601)	(263)
Gain on early extinguishment of debt	0	0	0	17,777
Depreciable real estate reserves	0	0	(8,546)	(65,839)
Depreciable real estate reserves in unconsolidated joint venture			(1,780)
Gains (loss) on sale of real estate, net	(1,068)	7,471	(1,717)	4,730
Purchase price and other fair value adjustments	11,138	12,906	(8,090)	(36,321)
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	86,872	371	84,926	19,006
Gain on sale of investments in marketable securities	0	0	10,232	0
Depreciation and amortization	(62,122)	(52,499)	(185,137)	(152,294)
Amortization of deferred financing costs	(1,724)	(1,669)	(5,153)	(4,885)
Interest expense, net of interest income	(41,941)	(33,803)	(118,922)	(87,668)
Net income (loss)	35,161	(9,264)	6,799	11,084
Operating Segments
Expenses
Net income (loss)	(1,248)	2,880	94,916	16,647
Operating Segments | Real Estate Segment
Segment information
Total revenues	196,740	183,139	565,478	522,041
Expenses
SUMMIT Operator expenses	0	0	0	0
SUMMIT Operator tax expense	0	0	0	0
Operating Expenses	57,673	49,507	164,840	139,448
Real estate taxes	37,627	30,831	112,594	94,495
Operating lease rent	6,106	6,363	18,317	19,136
Net operating income from unconsolidated joint ventures	113,920	53,001	204,823	314,663
Real Estate segment Net operating income	209,254	149,439	474,550	583,625
Operating Segments | SUMMIT Segment
Segment information
Total revenues	32,883	36,437	86,424	94,643
Expenses
SUMMIT Operator expenses	35,959	37,901	82,570	82,947
SUMMIT Operator tax expense	1,279	(1,779)	2,781	(1,219)
Operating Expenses	0	0	0	0
Real estate taxes	0	0	0	0
Operating lease rent	0	0	0	0
Equity in net (loss) income from unconsolidated joint ventures	0	0	0	0
Income from debt fund investments, net	0		0
Loan loss reserves and other investment reserves, net of recoveries			0
Depreciation and amortization	(1,094)	(677)	(2,737)	(1,713)
Interest expense, net of interest income	0	0	0	0
Interest expense on senior obligations of consolidated securitization vehicles	0	0	0	0
Net income (loss)	(5,449)	(362)	(1,664)	11,202
Operating Segments | DPE Segment
Segment information
Total revenues	15,194	10,115	74,677	23,709
Expenses
SUMMIT Operator expenses	0	0	0	0
SUMMIT Operator tax expense	0	0	0	0
Operating Expenses	0	0	0	0
Real estate taxes	0	0	0	0
Operating lease rent	0	0	0	0
Equity in net (loss) income from unconsolidated joint ventures	3,963	4,745	13,940	6,465
Income from debt fund investments, net	1,176		1,776
Loan loss reserves and other investment reserves, net of recoveries			71,326
Depreciation and amortization	0	0	0	0
Interest expense, net of interest income	(5,294)	(8,288)	(19,312)	(21,399)
Interest expense on senior obligations of consolidated securitization vehicles	(10,838)	(3,330)	(45,827)	(3,330)
Net income (loss)	$ 4,201	$ 3,242	$ 96,580	$ 5,445