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, 2017	Dec. 31, 2016	Dec. 31, 2015
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Tax at statutory rate	$ 81,096	$ 69,196	$ 125,845
State income tax	5,578	2,891	7,987
Foreign income tax rate differential	(4,741)	891	4
ESH REIT income	(25,689)	(34,132)	(59,386)
Change in expected distribution policy		(1,633)	0
Equity-based compensation	(263)	807	954
Other permanent differences	3,283	743	1,247
Estimate of future nontaxable distributions from ESH REIT	(2,054)	(8,461)	0
Change in ESH REIT temporary differences	(2,102)	3,917	(399)
Change in deferred tax rate(1)	4,051	0	0
Valuation allowance	(427)	981	923
Tax credits	(497)	(648)	0
Other - net	1,279	(201)	(639)
Income tax expense - net	$ 59,514	$ 34,351	$ 76,536
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax at statutory rate (as a percent)	35.00%	35.00%	35.00%
State income tax (as a percent)	2.40%	1.50%	2.20%
Foreign income tax rate differential (as a percent)	(2.00%)	0.50%	0.00%
ESH REIT income (as a percent)	(11.10%)	(17.30%)	(16.50%)
Change in expected distribution policy (as a percent)		(0.80%)	(0.00%)
Equity-based compensation (as a percent)	(0.10%)	0.40%	0.30%
Other permanent differences (as a percent)	1.40%	0.30%	0.30%
Estimate of future nontaxable distributions from ESH REIT (as a percent)	(0.90%)	(4.30%)	(0.00%)
Change in ESH REIT temporary differences (as a percent)	(0.90%)	2.00%	(0.10%)
Change in deferred tax rate (as a percent)	1.70%	0.00%	0.00%
Valuation allowance (as a percent)	(0.20%)	0.50%	0.30%
Tax credits (as a percent)	(0.20%)	(0.30%)	(0.00%)
Other - net (as a percent)	0.60%	(0.10%)	(0.20%)
Income tax expense - net (as a percent)	25.70%	17.40%	21.30%
ESH REIT [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Tax at statutory rate	$ 75,675	$ 74,290	$ 135,346
State income tax	(272)	(1,834)	1,160
Foreign income tax rate differential	(5,149)	1,872	4
ESH REIT income	(71,304)	(73,581)	(128,354)
Change in expected distribution policy		(2,243)	0
Other permanent differences	1,925	(602)	(68)
Other - net	354	2,149	431
Income tax expense - net	$ 1,229	$ 51	$ 8,519
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax at statutory rate (as a percent)	35.00%	35.00%	35.00%
State income tax (as a percent)	(0.10%)	(0.90%)	0.30%
Foreign income tax rate differential (as a percent)	(2.40%)	0.90%	0.00%
ESH REIT income (as a percent)	(33.00%)	(34.60%)	(33.20%)
Change in expected distribution policy (as a percent)		(1.00%)	(0.00%)
Other permanent differences (as a percent)	0.90%	(0.30%)	0.00%
Other - net (as a percent)	0.20%	1.00%	0.10%
Income tax expense - net (as a percent)	0.60%	0.10%	2.20%