Investment In Hotel Properties (Investment In Hotel Properties) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Total investment in hotel properties, gross	$ 2,414,609	$ 2,087,912
Less accumulated depreciation	(380,021)	(320,342)
Total investment in hotel properties, net	2,034,588	1,767,570
Land [Member]
Business Acquisition [Line Items]
Total investment in hotel properties, gross	538,322	499,484
Building and Improvements [Member]
Business Acquisition [Line Items]
Total investment in hotel properties, gross	1,625,695	1,383,266
Furniture, Fixtures And Equipment [Member]
Business Acquisition [Line Items]
Total investment in hotel properties, gross	248,142	204,212
Construction In Progress [Member]
Business Acquisition [Line Items]
Total investment in hotel properties, gross	$ 2,450	$ 950