Disposals and Discontinued Operations (Details 3)		1 Months Ended							3 Months Ended	12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Oct. 31, 2015 USD ($)	Jul. 31, 2015 USD ($)	May. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	May. 31, 2014 USD ($)	Jan. 31, 2013 USD ($) item	Jun. 30, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2015 USD ($)
Disposals
Deferred gain on sale of asset	$ 7,000,000	$ 7,000,000				$ 7,000,000				$ 7,000,000	$ 7,000,000
Loss on extinguishment of debt										(2,964,000)	(4,638,000)	$ (44,000)
Accumulated other comprehensive loss
Pension liability reclassification												5,335,000
Rochester Portfolio
Disposals
Total liability related to pension plan								$ 14,000,000
Rochester Portfolio | Working capital advance provided to buyer
Disposals
Working capital advance provided to buyer								3,700,000
Rochester Portfolio | Preferred equity investment
Disposals
Preferred equity investment								$ 25,000,000
Dividend yield on preferred equity investment (as a percent)								11.00%
Dividends on preferred equity investment										1,600,000	2,800,000	2,600,000
Rochester Portfolio | Indemnification Agreement [Member]
Disposals
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		1
Estimated liability, minimum									2,000,000
Estimated liability, maximum									3,000,000
Rochester Portfolio | Retirement plans
Disposals
Gain on sale of hotels and other assets, net	7,000,000
Deferred gain on sale of portfolio	7,000,000	7,000,000				7,000,000		14,000,000		7,000,000	7,000,000
Total liability related to pension plan	7,000,000	7,000,000				7,000,000				7,000,000	7,000,000
Reduction in pension plan liability							$ 7,000,000
Kahler Grand
Disposals
Repayment of mortgage debt								26,700,000
Loss on extinguishment of debt								(3,100,000)
Total cost to extinguish debt								29,800,000
Commercial laundry facility
Disposals
Repayment of mortgage debt								400,000
Maximum | Rochester Portfolio | Retirement plans
Disposals
Total liability related to pension plan								$ 14,000,000
Discontinued Operations, Disposed of by Sale [Member] | Insurance-related Assessments [Member]
Disposals
Settlement costs accrued during the period						400,000
Discontinued Operations, Disposed of by Sale [Member] | Rochester Portfolio
Disposals
Number of hotels and/or other assets sold | item								4
Number of rooms sold | item								1,222
Net proceeds received from sale								$ 195,600,000
Cash proceeds held by accommodator								145,700,000
Gain on sale of hotels and other assets, net				$ 16,000,000				51,600,000		16,000,000	5,199,000	51,620,000
Deferred gain on sale of portfolio								28,700,000
Carrying Value of Asset Net of Deferred Gain	0					0					0	0
Proceeds received on sale of preferred equity investment and settlement of loan				16,000,000
Income tax provision included in discontinued operations				$ 100,000						$ 105,000
Loss on extinguishment of debt								(3,100,000)				(3,115,000)
Accumulated other comprehensive loss
Beginning balance of accumulated other comprehensive loss								(5,335,000)				$ (5,335,000)
Pension liability reclassification								$ 5,335,000
Discontinued Operations, Disposed of by Sale [Member] | Rochester Portfolio | Indemnification Agreement [Member]
Disposals
Balance of accrued settlement costs	$ 800,000					$ 800,000					800,000		$ 0
Total amount accrued for contingency									$ 2,100,000
Loss contingency payment											$ 1,300,000
Discontinued Operations, Disposed of by Sale [Member] | Kahler Grand
Disposals
Number of rooms sold | item								660
Discontinued Operations, Disposed of by Sale [Member] | Kahler Inn & Suites
Disposals
Number of rooms sold | item								271
Discontinued Operations, Disposed of by Sale [Member] | Marriott Rochester
Disposals
Number of rooms sold | item								202
Discontinued Operations, Disposed of by Sale [Member] | Residence Inn by Marriott Rochester
Disposals
Number of rooms sold | item								89
Renaissance Harborplace mortgage payable
Disposals
Repayment of mortgage debt			$ 85,900,000
Notes maturing in May 2015
Disposals
Repayment of mortgage debt					$ 99,100,000
Doubletree Guest Suites Times Square mortgage payable
Disposals
Repayment of mortgage debt		$ 175,000,000