Organization (Schedule of Distribution of Consolidated Hotels) (Details)	Mar. 31, 2015 Hotels
Real Estate Properties [Line Items]
Number of hotels	13
Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	44
Number of rooms (in rooms)	13,356
Embassy Suites Hotels® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	21
Number of rooms (in rooms)	5,778
Wyndham® and Wyndham Grand® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	8
Number of rooms (in rooms)	2,528
Marriott® and Renaissance® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	3
Number of rooms (in rooms)	1,321
Holiday Inn® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	3
Number of rooms (in rooms)	1,256
DoubleTree by Hilton® and Hilton® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	3
Number of rooms (in rooms)	802
Sheraton® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	2
Number of rooms (in rooms)	673
Fairmont® | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	1
Number of rooms (in rooms)	383
The Knickerbocker | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	1
Number of rooms (in rooms)	330
Morgans and Royalton | Consolidated Properties [Member]
Real Estate Properties [Line Items]
Number of hotels	2
Number of rooms (in rooms)	285