Impairment (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2017 USD ($)	Jun. 30, 2017 USD ($) Hotels	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) Hotels	Jun. 30, 2016 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment		$ 10,271	$ 6,333	$ 35,109	$ 6,333
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment	$ 24,800		$ 6,300
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment		$ 10,300
Number of hotels | Hotels		2		2