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Dispositions - Narrative (Details)				12 Months Ended
	Jul. 07, 2016 USD ($) room	Jun. 30, 2016 USD ($) room	Jun. 08, 2016 USD ($) room	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Contractual sales price				$ 0	$ 0
Gain (loss) on sale of hotel property				0	(764,000)	$ 10,698,000
Mortgage debt				629,747,000	639,639,000
Orlando, Florida | Orlando Airport Marriott
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotel rooms sold | room			485
Contractual sales price			$ 63,000,000
Proceeds from sale of properties, net			65,800,000
Gain (loss) on sale of hotel property			$ 3,700,000
Minneapolis, Minnesota | Hilton Minneapolis
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotel rooms sold | room		821
Contractual sales price		$ 140,000,000
Proceeds from sale of properties, net		54,800,000
Gain (loss) on sale of hotel property					(800,000)	$ 4,900,000
New York, New York | Hilton Garden Inn Chelsea/New York City
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotel rooms sold | room	169
Contractual sales price	$ 65,000,000
Proceeds from sale of properties, net	63,300,000
Gain (loss) on sale of hotel property	$ 2,000,000
Mortgages
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Mortgage debt				$ 629,747,000	$ 639,639,000
Mortgages | Minneapolis, Minnesota | Hilton Minneapolis
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Mortgage debt		$ 89,500,000

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