SUBSEQUENT EVENTS - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Aug. 06, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Subsequent Event [Line Items]
Common distributions, per common share (dollars per share)		$ 0.09	$ 0.06	$ 0.16	$ 0.12
Subsequent Event
Subsequent Event [Line Items]
Common distributions, per common share (dollars per share)	$ 0.08
Share repurchase program period increase	$ 150,000,000
Amount of stock repurchase plan authorized (up to)	550,000,000
Share repurchase amount remaining available balance	262,500,000
Subsequent Event | ESH REIT
Subsequent Event [Line Items]
Share repurchase program period increase	150,000,000
Amount of stock repurchase plan authorized (up to)	550,000,000
Share repurchase amount remaining available balance	$ 262,500,000
Class A common stock | ESH REIT
Subsequent Event [Line Items]
Common distributions, per common share (dollars per share)		140.00	160.00	0.29	0.31
Class A common stock | Subsequent Event | ESH REIT
Subsequent Event [Line Items]
Common distributions, per common share (dollars per share)	$ 0.15
Class B common stock
Subsequent Event [Line Items]
Common distributions, per common share (dollars per share)		0.14	0.16	0.29	0.31
Class B common stock | ESH REIT
Subsequent Event [Line Items]
Common distributions, per common share (dollars per share)		$ 140.00	$ 160.00	$ 0.29	$ 0.31
Class B common stock | Subsequent Event | ESH REIT
Subsequent Event [Line Items]
Common distributions, per common share (dollars per share)	$ 0.15