Income Taxes - Schedule of Difference Between Income Tax Expense at Effective Tax Rate and Statutory U.S. Federal Income Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Tax at statutory rate	$ 53,305	$ 81,096	$ 69,196
State income tax	7,847	5,578	2,891
Foreign income tax rate differential	0	(4,741)	891
ESH REIT income	(14,976)	(25,689)	(34,132)
Change in expected distribution policy			(1,633)
Equity-based compensation	(524)	(263)	807
Other permanent differences	30	3,283	743
Estimate of future nontaxable distributions from ESH REIT	5,020	(2,054)	(8,461)
Change in ESH REIT temporary differences	(9,525)	(2,102)	3,917
Change in deferred tax rate	0	4,051	0
Valuation allowance	(2)	(427)	981
Tax credits	(661)	(497)	(648)
Other - net	1,562	1,279	(201)
Income tax expense - net	$ 42,076	$ 59,514	$ 34,351
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax at statutory rate (as a percent)	21.00%	35.00%	35.00%
State income tax (as a percent)	3.10%	2.40%	1.50%
Foreign income tax rate differential (as a percent)		(2.00%)	0.50%
ESH REIT income (as a percent)	(5.90%)	(11.10%)	(17.30%)
Change in expected distribution policy (as a percent)			(0.80%)
Equity-based compensation (as a percent)	(0.20%)	(0.10%)	0.40%
Other permanent differences (as a percent)	0.00%	1.40%	0.30%
Estimate of future nontaxable distributions from ESH REIT (as a percent)	2.00%	(0.90%)	(4.30%)
Change in ESH REIT temporary differences (as a percent)	(3.70%)	(0.90%)	2.00%
Change in deferred tax rate (as a percent)	0.00%	1.70%	0.00%
Valuation allowance (as a percent)	0.00%	(0.20%)	0.50%
Tax credits (as a percent)	(0.30%)	(0.20%)	(0.30%)
Other - net (as a percent)	0.60%	0.60%	(0.10%)
Income tax expense - net (as a percent)	16.60%	25.70%	17.40%
ESH REIT
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Tax at statutory rate	$ 48,494	$ 75,675	$ 74,290
State income tax	82	(272)	(1,834)
Foreign income tax rate differential	0	(5,149)	1,872
ESH REIT income	(48,116)	(71,304)	(73,581)
Change in expected distribution policy			(2,243)
Other permanent differences	(378)	1,925	(602)
Other - net	715	354	2,149
Income tax expense - net	$ 797	$ 1,229	$ 51
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax at statutory rate (as a percent)	21.00%	35.00%	35.00%
State income tax (as a percent)	0.00%	(0.10%)	(0.90%)
Foreign income tax rate differential (as a percent)		(2.40%)	0.90%
ESH REIT income (as a percent)	(20.80%)	(33.00%)	(34.60%)
Change in expected distribution policy (as a percent)			(1.00%)
Other permanent differences (as a percent)	(0.20%)	0.90%	(0.30%)
Other - net (as a percent)	0.30%	0.20%	1.00%
Income tax expense - net (as a percent)	0.30%	0.60%	0.10%