Intangible Assets and Goodwill - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($) Hotel	May 16, 2017 Hotel	May 15, 2017 Hotel	May 01, 2017 Hotel	Dec. 31, 2016 Hotel
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period remaining for definite-lived intangible assets (years)	13 years 3 months 15 days
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Finite-Lived Intangible Assets [Line Items]
Write off of goodwill | $	$ 4.6
Hotel properties | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Finite-Lived Intangible Assets [Line Items]
Number of hotel properties			4	3
Hotel properties | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Extended Stay Canada
Finite-Lived Intangible Assets [Line Items]
Number of hotel properties				4
Canada | Hotel properties | Extended Stay Canada
Finite-Lived Intangible Assets [Line Items]
Number of hotel properties	3				3
Canada | Hotel properties | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Extended Stay Canada
Finite-Lived Intangible Assets [Line Items]
Number of hotel properties				3
U.S. | Hotel properties
Finite-Lived Intangible Assets [Line Items]
Number of hotel properties	625				626
U.S. | Hotel properties | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Finite-Lived Intangible Assets [Line Items]
Number of hotel properties		1