Acquisition and Disposition of Hotel Properties - Disposition of Hotel Properties (Details) $ in Thousands			3 Months Ended
	Feb. 22, 2019 USD ($)	Feb. 14, 2019 USD ($)	Mar. 31, 2020 USD ($) property	Mar. 31, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | property			2
Sale price			$ 331,000	$ 252,450
(Gain) loss on sale of hotel properties			117,448	0
Operating (loss) income from disposed properties			$ 4,300	$ 10,300
The Liaison Capitol Hill
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price		$ 111,000
Hotel Palomar Washington DC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price	$ 141,450