Summary of Significant Accounting Policies - Narratives (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2023 USD ($) vie property	Dec. 31, 2023 USD ($) vie property reporting_unit	Dec. 31, 2022 USD ($) vie	Dec. 31, 2021 USD ($)
Basis of Consolidation
Variable interest entities consolidated, count | vie	15	15	11
Variable interest entities, count | vie	21	21	16
Variable interest entities unconsolidated, count | vie	6	6	5
Equity method investments | $	$ 354,261	$ 354,261	$ 327,502
Hotel
Basis of Consolidation
Number of properties (property) | property	5	5
Real Estate
Basis of Consolidation
Number of reporting units (reporting units) | reporting_unit		1
Operating property revenues | $		$ 180,257	59,230	$ 13,478
Number of properties (property) | property	1,424	1,424
Real Estate | Hotel
Basis of Consolidation
Number of properties (property) | property	5	5
Number of properties sold (property) | property	8	8
Real Estate | Hotel | Domestic
Basis of Consolidation
Number of properties (property) | property	13	13
Real Estate | Hotel
Basis of Consolidation
Operating property revenues | $		$ 76,200	12,000	$ 7,200
Real Estate | Hotel | Domestic | Adjustment
Basis of Consolidation
Number of properties (property) | property	12	12
Internal Use Software Development Costs | Minimum
Basis of Consolidation
Property, plant and equipment, useful life	3 years	3 years
Internal Use Software Development Costs | Maximum
Basis of Consolidation
Property, plant and equipment, useful life	7 years	7 years
Buildings and improvements | Maximum
Basis of Consolidation
Property, plant and equipment, useful life	40 years	40 years
Furniture and Fixtures | Maximum
Basis of Consolidation
Property, plant and equipment, useful life	40 years	40 years
Equipment | Maximum
Basis of Consolidation
Property, plant and equipment, useful life	40 years	40 years
Variable Interest Entity
Basis of Consolidation
Principle amount of debt derecognized | $	$ 19,000	$ 19,000
Equity method investments | $	$ 729,800	$ 729,800	$ 693,400
Managed Programs
Basis of Consolidation
Variable interest entities unconsolidated, count | vie	2	2	2
Real Estate
Basis of Consolidation
Variable interest entities unconsolidated, count | vie	3	3	3
Equity method investments | $	$ 353,002	$ 353,002	$ 325,277