Impairment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012 Hotels	Jun. 30, 2011	Jun. 30, 2012 Hotels	Jun. 30, 2011
Impairment [Line Items]
Impairment loss	$ 1,335	$ 7,003	$ 1,335	$ 7,003
Number of hotels (in hotels)	70		70
Continuing Operations [Member]
Impairment [Line Items]
Number of hotels (in hotels)	1	2	1	2
Continuing and Discontinued Operations [Member]
Impairment [Line Items]
Impairment loss		12,300
Discontinued Operations [Member]
Impairment [Line Items]
Impairment loss		$ 5,300
Number of hotels (in hotels)		2		2
Revised Estimated Fair Market Value [Member] | Continuing Operations [Member]
Impairment [Line Items]
Number of hotels (in hotels)		2		2
Revised Estimated Fair Market Value [Member] | Discontinued Operations [Member]
Impairment [Line Items]
Number of hotels (in hotels)		1		1