Acquisition of Hotel Properties (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) property	Sep. 30, 2017 USD ($) property	Jun. 30, 2017 USD ($) property	Mar. 31, 2017 USD ($) property
Business Acquisition [Line Items]
Number of wholly owned properties acquired | property	2	2	2	3
Total revenue	$ 16,679			$ 10,361
Net income (loss)	786			(2,350)
Wholly Owned Properties Acquired [Member]
Business Acquisition [Line Items]
Total revenue	1,413			305
Net income (loss)	$ 529			$ 173
Southaven, Mississippi [Member] | Home2 Suites [Member]
Business Acquisition [Line Items]
Purchase price			$ 19,000
Lake Mary, Florida [Member] | Hampton Inn And Suites [Member]
Business Acquisition [Line Items]
Purchase price			19,500
Post purchase adjustment			$ 250
El Paso, Texas [Member] | Fairfield Inn & Suites [Member]
Business Acquisition [Line Items]
Purchase price		$ 16,400
Austin, Texas [Member] | Residence Inn [Member]
Business Acquisition [Line Items]
Purchase price		$ 22,400