Disposals and Discontinued Operations - Discontinued Operations (Details)		1 Months Ended				3 Months Ended	12 Months Ended
	Dec. 31, 2014 USD ($)	Jul. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	May 31, 2014 USD ($)	Jan. 31, 2013 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 room property	Dec. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)
Income from discontinued operations, net of tax							$ 15,895,000	$ 4,849,000
Deferred gain on sale of asset							7,000,000			$ 7,000,000
Sold, considered a discontinued operation
Operating expenses								(350,000)
Income tax provision included in discontinued operations							(105,000)
Gain on sale of hotels and other assets, net							16,000,000	5,199,000
Income from discontinued operations, net of tax							15,895,000	$ 4,849,000
Rochester Portfolio
Total liability related to pension plan					$ 14,000,000
Rochester Portfolio | Sold, considered a discontinued operation
Number of hotels sold | property									4
Number of rooms sold | room									1,222
Income tax provision included in discontinued operations		$ (100,000)					(100,000)
Gain on sale of hotels and other assets, net		16,000,000
Deferred gain on sale of portfolio					28,700,000
Proceeds received on sale of preferred equity investment and settlement of loan		$ 16,000,000
Working capital advance provided to buyer | Rochester Portfolio
Working capital advance provided to buyer					3,700,000
Preferred equity investment | Rochester Portfolio
Preferred equity investment					25,000,000
Retirement plans | Rochester Portfolio
Gain on sale of hotels and other assets, net	$ 7,000,000
Deferred gain on sale of portfolio					14,000,000		7,000,000			7,000,000
Total liability related to pension plan							$ 7,000,000			$ 7,000,000
Reduction in pension plan liability				$ (7,000,000)
Maximum | Retirement plans | Rochester Portfolio
Total liability related to pension plan					14,000,000
Insurance-related Assessments | Sold, considered a discontinued operation
Settlement costs accrued during the period			$ 400,000
Indemnification Agreement | Rochester Portfolio
Settlement costs accrued during the period					300,000	$ 1,800,000
Number of hotels for which potential future costs for certain capital expenditures exist					$ 1	$ 1
Indemnification Agreement | Rochester Portfolio | Sold, considered a discontinued operation
Balance of accrued settlement costs											$ 0