Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($) segment	Mar. 31, 2025 USD ($)
Segment information
Number of operating segments | segment	3
Number of reportable segments | segment	3
Total revenues	$ 253,080	$ 239,846
Expenses
SUMMIT Operator expenses	24,942	21,764
Operating Expenses	61,457	56,062
Real estate taxes	41,912	37,217
Operating lease rent	6,944	6,106
Real Estate segment Net operating income	145,270	136,016
Equity in net (loss) income from unconsolidated joint ventures	(20,780)	1,170
Income from debt fund investments, net	2,478	0
Loan loss and other investment reserves, net of recoveries	0	25,039
Depreciation and amortization	(69,751)	(64,498)
Interest expense, net of interest income	(50,909)	(45,681)
Interest expense on senior obligations of consolidated securitization vehicles	(14,649)	(13,972)
Non-operating net loss from unconsolidated joint ventures	(69,556)	(52,152)
Marketing, general and administrative expense	(22,786)	(21,724)
Transaction related costs	(284)	(295)
Depreciable real estate reserves	(35,160)	(8,546)
Depreciable real estate reserves in unconsolidated joint venture		(1,780)
Gains (loss) on sale of real estate, net	16,636	(482)
Purchase price and other fair value adjustments	4,183	(9,611)
Equity in net loss on sale of interest in unconsolidated joint venture/real estate	(814)	0
Depreciation and amortization	(68,787)	(63,738)
Amortization of deferred financing costs	(2,802)	(1,687)
Interest expense, net of interest income	(49,389)	(38,636)
Net loss	(77,398)	(21,545)
Operating Segments
Expenses
Net loss	6,091	41,090
Operating Segments | Real Estate Segment
Segment information
Total revenues	211,943	185,217
Expenses
SUMMIT Operator expenses	0	0
SUMMIT Operator tax expense	0	0
Operating Expenses	61,457	56,062
Real estate taxes	41,912	37,217
Operating lease rent	6,944	6,106
Net operating income from unconsolidated joint ventures	43,640	50,184
Real Estate segment Net operating income	145,270	136,016
Operating Segments | SUMMIT Segment
Segment information
Total revenues	24,142	22,534
Expenses
SUMMIT Operator expenses	24,942	21,764
SUMMIT Operator tax expense	585	(45)
Operating Expenses	0	0
Real estate taxes	0	0
Operating lease rent	6,944	0
Equity in net (loss) income from unconsolidated joint ventures	0	0
Income from debt fund investments, net	0
Loan loss and other investment reserves, net of recoveries		0
Depreciation and amortization	(964)	(760)
Interest expense, net of interest income	0	0
Interest expense on senior obligations of consolidated securitization vehicles	0	0
Net loss	(2,349)	55
Operating Segments | DPE Segment
Segment information
Total revenues	16,995	32,095
Expenses
SUMMIT Operator expenses	0	0
SUMMIT Operator tax expense	0	0
Operating Expenses	0	0
Real estate taxes	0	0
Operating lease rent	0	0
Equity in net (loss) income from unconsolidated joint ventures	5,136	4,918
Income from debt fund investments, net	2,478
Loan loss and other investment reserves, net of recoveries		25,039
Depreciation and amortization	0	0
Interest expense, net of interest income	(1,520)	(7,045)
Interest expense on senior obligations of consolidated securitization vehicles	(14,649)	(13,972)
Net loss	$ 8,440	$ 41,035