Consolidated Portfolio of Hotels by Location (Detail)	Dec. 31, 2015 Hotel
Real Estate Properties [Line Items]
Hotels	107
European Joint Venture
Real Estate Properties [Line Items]
Hotels	10
United States
Real Estate Properties [Line Items]
Hotels	94
Australia
Real Estate Properties [Line Items]
Hotels	1
Brazil
Real Estate Properties [Line Items]
Hotels	3
Canada
Real Estate Properties [Line Items]
Hotels	2
Chile
Real Estate Properties [Line Items]
Hotels	2
Mexico
Real Estate Properties [Line Items]
Hotels	1
New Zealand
Real Estate Properties [Line Items]
Hotels	4
Belgium | European Joint Venture
Real Estate Properties [Line Items]
Hotels	1
France | European Joint Venture
Real Estate Properties [Line Items]
Hotels	3
Germany | European Joint Venture
Real Estate Properties [Line Items]
Hotels	1
Spain | European Joint Venture
Real Estate Properties [Line Items]
Hotels	2
Sweden | European Joint Venture
Real Estate Properties [Line Items]
Hotels	1
The Netherlands | European Joint Venture
Real Estate Properties [Line Items]
Hotels	1
United Kingdom | European Joint Venture
Real Estate Properties [Line Items]
Hotels	1