Acquisition of Hotel Properties (Narrative) (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) property	Dec. 31, 2018 USD ($) property	Dec. 31, 2017 USD ($) property
Business Acquisition [Line Items]
Number of wholly owned properties acquired | property									0	2	7
Revenue	$ 14,306	$ 14,666	$ 16,177	$ 15,903	$ 15,082	$ 15,462	$ 17,834	$ 16,679	$ 61,052	$ 65,057	$ 55,453
Operating income	$ (1,822)	$ (1,978)	$ (1,264)	$ 16	$ (965)	$ 2,658	$ 2,886	$ 786	$ (5,048)	5,365	2,881
Wholly Owned Properties Acquired [Member]
Business Acquisition [Line Items]
Revenue										7,071	17,455
Operating income										$ 1,610	$ 4,508