Investments in Affiliates - Investments Ownership Interest (Details)	Dec. 31, 2021	Dec. 31, 2020
Main Street WP Hotel Associates, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	50.00%	50.00%
CS Hotel 30W46th, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	0.00%	25.00%
CS Hotel West Orange, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	50.00%	50.00%
City Market Hotel Development, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	43.00%	43.00%
CS Woodlands, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	50.00%	50.00%
926 James M. Wood Boulevard, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	75.00%	75.00%
CS Dallas Elm, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	0.00%	45.00%
Choice Hotels Canada, Inc.
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	50.00%	50.00%
Pine Street Long Beach LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	0.00%	50.00%
SY Valley Vineyard Resorts LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	0.00%	50.00%
CS Lakeside Santa Clara LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	50.00%	50.00%
BL 219 Holdco, LP
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	50.00%	50.00%
Integrated 32 West Randolph LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (as a percent)	20.00%	20.00%