Summary of Significant Accounting Policies - Investment in Hotel Properties (Details)	3 Months Ended
	Mar. 31, 2019
Buildings, land improvements, and building improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Buildings, land improvements, and building improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years
Furniture, fixtures and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	1 year
Furniture, fixtures and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years