Investment in Unconsolidated Joint Venture (Schedule of Purchase Price Allocation) (Details) - USD ($) $ in Thousands	Aug. 22, 2016	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Land		$ 2,433	$ 8,531
Building, improvements, and vehicle		29,944	113,929
Furniture and equipment		3,583	9,397
Total purchase price & acquisition costs		36,203	131,800
Debt at acquisition		34,631	121,513
Net cash paid		$ 1,522	$ 9,852
Atlanta Joint Venture [Member] | Aloft Hotel [Member] | Atlanta, Georgia [Member]
Business Acquisition [Line Items]
Provision permitting seller to purchase surface parking lot at less than market prices, exercise period	10 years
Atlanta Joint Venture [Member] | Level 3 [Member] | Aloft Hotel [Member] | Atlanta, Georgia [Member]
Business Acquisition [Line Items]
Date of acquisition	Aug. 22, 2016
Land	$ 13,025
Building, improvements, and vehicle	34,048
Furniture and equipment	2,667
Land option	(6,190)
Total purchase price & acquisition costs	43,550
Debt at acquisition	33,750
Net cash paid	$ 9,800