Fair Value Measurements and Derivative Instruments (Schedule of Impairment and Recovery of Previously Recorded Impairment) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) property	Dec. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($) item
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of hotels
Impairment (loss) recovery, Sold hotels
Sold [Member] | Continuing Operations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of hotels		1	5
Impairment (loss) recovery, Sold hotels		$ 93	$ (2,151)
Sold [Member] | Continuing Operations [Member] | Impairment Loss [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of hotels			3
Impairment (loss) recovery, Sold hotels			$ (2,231)
Sold [Member] | Continuing Operations [Member] | Recovery of Impairment [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of hotels		1	2
Impairment (loss) recovery, Sold hotels		$ 93	$ 80