Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Taxes [Line Items]
Provision (benefit) for income taxes	$ 15,014		$ 20,295	$ 35,218	$ 40,721
Effective tax rate, percent	16.60%		23.50%	17.00%	23.60%
Effective tax rate differs from federal statutory rate, percent				21.00%
Provisional tax expense		$ 4,100
ESH REIT
Income Taxes [Line Items]
Dividend subject to corporate income tax, percent				57.00%
Provision (benefit) for income taxes	$ 42		$ 198	$ 792	$ 435
State and Local Jurisdiction | ESH REIT
Income Taxes [Line Items]
Provision (benefit) for income taxes	$ 100		$ (200)	$ 800	$ (400)
Effective tax rate, percent	0.50%		0.70%	1.60%	5.40%