Organization and Description of Business (Details)	6 Months Ended
	Jun. 30, 2017 item
Organization and Description of Business
Number of hotels managed by third parties	26
Marriott
Organization and Description of Business
Number of hotels managed by third parties	11
Interstate Hotels & Resorts, Inc
Organization and Description of Business
Number of hotels managed by third parties	4
Highgate Hotels L.P. and an affiliate
Organization and Description of Business
Number of hotels managed by third parties	3
Crestline Hotels & Resorts
Organization and Description of Business
Number of hotels managed by third parties	2
Hilton Worldwide
Organization and Description of Business
Number of hotels managed by third parties	2
Hyatt Corporation
Organization and Description of Business
Number of hotels managed by third parties	2
Davidson Hotels & Resorts
Organization and Description of Business
Number of hotels managed by third parties	1
HEI Hotels & Resorts
Organization and Description of Business
Number of hotels managed by third parties	1
Sunstone Hotel Partnership, LLC
Organization and Description of Business
Controlling interest owned (as a percent)	100.00%