Organization and Basis of Presentation - Summary of Hotels Owned, Franchised, Managed, and Number of Associated Rooms (Detail)	Dec. 31, 2015 Hotel Room	Dec. 31, 2014 Hotel Room	Dec. 31, 2013 Hotel Room
Real Estate Properties [Line Items]
Number of hotels | Hotel	886	867	834
Number of rooms | Room	87,500	86,500	83,700
Owned [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotel	340	352	342
Number of rooms | Room	43,400	44,800	43,500
Joint Venture [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotel	1	1	1
Number of rooms | Room	200	200	200
Previously Managed Hotels [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotel			14
Number of rooms | Room			1,700
Franchised [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotel	545	514	477
Number of rooms | Room	43,900	41,500	38,300