Subsequent Events (Narrative) (Details) $ in Thousands		6 Months Ended
	Jul. 17, 2017 USD ($) property	Jun. 30, 2017 property	Jun. 30, 2016 property
Subsequent Event [Line Items]
Number of wholly owned properties acquired | property		5	0
Subsequent Event [Member]
Subsequent Event [Line Items]
Number of wholly owned properties acquired | property	3
Number of assets with potential accelerated disposition upon closing of acquisitions | property	5
Fairfield Inn and Suites El Paso Airport [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Purchase price of hotel acquisition | $	$ 16,100
Towne Place Suites Austin North Tech Ridge [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Purchase price of hotel acquisition | $	21,750
Residence Inn Austin Airport [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Purchase price of hotel acquisition | $	$ 21,750