Organization (Schedule of Distribution of Consolidated Hotels) (Details)	Sep. 30, 2015 Rooms Hotels	Dec. 31, 2014 Hotels
Real Estate Properties [Line Items]
Number of hotels | Hotels		13
Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	40
Number of rooms (in rooms)	12,272
Embassy Suites Hotels® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	18
Number of rooms (in rooms)	4,982
Wyndham® and Wyndham Grand® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	8
Number of rooms (in rooms)	2,528
Marriott® and Renaissance® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	3
Number of rooms (in rooms)	1,321
Holiday Inn® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	2
Number of rooms (in rooms)	968
DoubleTree by Hilton® and Hilton® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	3
Number of rooms (in rooms)	802
Sheraton® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	2
Number of rooms (in rooms)	673
Fairmont® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	1
Number of rooms (in rooms)	383
The Knickerbocker® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	1
Number of rooms (in rooms)	330
Morgans® and Royalton® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels | Hotels	2
Number of rooms (in rooms)	285