Organization (Schedule of Distribution of Consolidated Hotels) (Details) - Consolidated Properties [Member]	Mar. 31, 2017 Rooms Hotels
Real Estate Properties [Line Items]
Number of hotels	38
Number of rooms (in rooms)	11,329
Embassy Suites by Hilton®
Real Estate Properties [Line Items]
Number of hotels | Hotels	18
Number of rooms (in rooms)	4,982
Wyndham® and Wyndham Grand®
Real Estate Properties [Line Items]
Number of hotels | Hotels	8
Number of rooms (in rooms)	2,528
Marriott® and Renaissance®
Real Estate Properties [Line Items]
Number of hotels | Hotels	2
Number of rooms (in rooms)	761
Holiday Inn®
Real Estate Properties [Line Items]
Number of hotels | Hotels	1
Number of rooms (in rooms)	585
DoubleTree by Hilton® and Hilton®
Real Estate Properties [Line Items]
Number of hotels | Hotels	3
Number of rooms (in rooms)	802
Sheraton®
Real Estate Properties [Line Items]
Number of hotels | Hotels	2
Number of rooms (in rooms)	673
Fairmont®
Real Estate Properties [Line Items]
Number of hotels | Hotels	1
Number of rooms (in rooms)	383
The Knickerbocker®
Real Estate Properties [Line Items]
Number of hotels | Hotels	1
Number of rooms (in rooms)	330
Morgans® and Royalton®
Real Estate Properties [Line Items]
Number of hotels | Hotels	2
Number of rooms (in rooms)	285