Subsequent Events - Additional Information (Detail) - $ / shares			12 Months Ended
	Feb. 27, 2019	Feb. 27, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Subsequent Event [Line Items]
Cash distributions per common share declared (in dollars per share)			$ 0.24	$ 0.29	$ 0.31
Subsequent Event
Subsequent Event [Line Items]
Cash distributions per common share declared (in dollars per share)	$ 0.07
Common Class A | ESH REIT
Subsequent Event [Line Items]
Cash distributions per common share declared (in dollars per share)			0.63	0.53	0.43
Common Class A | ESH REIT | Subsequent Event
Subsequent Event [Line Items]
Cash distributions per common share declared (in dollars per share)	$ 0.15
Common Class B
Subsequent Event [Line Items]
Cash distributions per common share declared (in dollars per share)			0.63	0.53	0.43
Common Class B | ESH REIT
Subsequent Event [Line Items]
Cash distributions per common share declared (in dollars per share)		$ 0.15	$ 0.63	$ 0.53	$ 0.43