Discontinued Operations (Details) - Rochester Portfolio	1 Months Ended		3 Months Ended
	May. 31, 2014 USD ($)	Jan. 31, 2013 room property	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)
Discontinued Operations
Number of hotels and/or other assets sold | property		4
Number of rooms sold | room		1,222
Gain (loss) on sale	$ 7,000,000
Indemnification Agreement [Member]
Discontinued Operations
Settlement costs accrued during the period			$ 1,800,000
Number of hotels for which potential future costs for certain capital expenditures exist			$ 1
Balance of accrued settlement costs				$ 0
Retirement plans
Discontinued Operations
Reduction in pension plan liability	$ (7,000,000)