Fair Value Measurements and Derivative Instruments (Schedule of Impairment and Recovery of Previously Recorded Impairment) (Details) - Sold [Member] - Impairment Recovery [Member] $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2018 USD ($) property	Sep. 30, 2018 USD ($) property
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of hotels \| property	1	1
Impairment recovery, Sold hotels \| $	$ 93	$ 93

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Period Type:	duration