Commitments and Contingencies (Management Agreements) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) property hotel	Mar. 31, 2022 USD ($)	Jun. 30, 2019 hotel
Other Commitments
Number of Hotel Properties Operated under Management Agreements | hotel	96
Number of Real Estate Properties	97		35
Minimum
Other Commitments
Management Agreement Term	1 year
Base Management Fee as Percentage of Hotel Revenues	1.75%
Management Agreements which include Franchise Agreement, Base Management Fee as Percentage of Hotel Revenues	2.00%
Maximum
Other Commitments
Management Agreement Term	25 years
Base Management Fee as Percentage of Hotel Revenues	3.50%
Management Agreements which include Franchise Agreement, Base Management Fee as Percentage of Hotel Revenues	7.00%
Management Service [Member]
Other Commitments
Cost of Goods and Services Sold | $	$ 10.8	$ 6.9