Basis of Presentation - Narratives (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) variable_interest_entity	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) variable_interest_entity	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) variable_interest_entity
Basis of Consolidation
Variable interest entities, count | variable_interest_entity	13		13		12
Variable interest entities consolidated, count | variable_interest_entity	5		5		5
Variable interest entities unconsolidated, count | variable_interest_entity	8		8		7
Equity method investments in real estate	$ 351,865		$ 351,865		$ 283,446
Increase (decrease) in lease income	4,600		2,000
Real Estate
Basis of Consolidation
Gross contract revenue	3,245	$ 1,427	5,424	$ 7,394
Increase (decrease) in hotel operating property revenue	1,700		(300)
Increase (decrease) in operating expenses	600		(800)
Real Estate | Hotel
Basis of Consolidation
Gross contract revenue	1,700	$ 100	2,500	$ 4,700
Variable Interest Entity
Basis of Consolidation
Equity method investments in real estate	$ 524,300		$ 524,300		$ 425,300
Managed Programs
Basis of Consolidation
Variable interest entities unconsolidated, count | variable_interest_entity	2		2		2
Real Estate
Basis of Consolidation
Variable interest entities unconsolidated, count | variable_interest_entity	6		6		5
Equity method investments in real estate	$ 289,939		$ 289,939		$ 226,889