Debt (Summary) - Additional Information (Detail) - USD ($)			1 Months Ended	9 Months Ended	12 Months Ended
	Feb. 28, 2017	Aug. 30, 2016	Mar. 31, 2016	Sep. 30, 2017	Dec. 31, 2016	May 31, 2015
ESH REIT 2025 Notes | ESH REIT
Debt Instrument [Line Items]
Percentage of par value of senior notes						100.00%
ESH REIT 2025 Notes | Senior Notes | ESH REIT
Debt Instrument [Line Items]
Proceeds from issuance of debt			$ 800,000,000
Percentage of par value of senior notes			98.50%
Term Loan Facility | ESH REIT 2016 Term Facility | Medium-term Notes
Debt Instrument [Line Items]
Prepayment penalty (as a percent)				1.00%
Revolving credit facility, capacity		$ 1,300,000,000.0
Term Loan Facility | ESH REIT 2016 Term Facility | Medium-term Notes | ESH REIT
Debt Instrument [Line Items]
Prepayment penalty (as a percent)				1.00%
Revolving credit facility, capacity		1,300,000,000.0
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, capacity				$ 600,000,000
Revolving Credit Facility | ESH REIT
Debt Instrument [Line Items]
Revolving credit facility, capacity		$ 600,000,000
Revolving Credit Facility | ESH REIT 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Spread on base rate (as a percent)		1.00%
Revolving Credit Facility | ESH REIT 2016 Revolving Credit Facility | ESH REIT
Debt Instrument [Line Items]
Revolving credit facility, capacity		$ 350,000,000.0
Line of Credit | Unsecured Intercompany Facility | Unsecured Debt
Debt Instrument [Line Items]
Revolving credit facility, capacity				50,000,000	$ 50,000,000.0
Line of Credit | Unsecured Intercompany Facility | Unsecured Debt | ESH REIT
Debt Instrument [Line Items]
Revolving credit facility, capacity				$ 50,000,000
LIBOR | ESH REIT 2016 Revolving Credit Facility | ESH REIT
Debt Instrument [Line Items]
Spread on base rate (as a percent)		1.00%
LIBOR | Term Loan Facility | ESH REIT 2016 Term Facility | Medium-term Notes
Debt Instrument [Line Items]
Spread on base rate (as a percent)	3.00%			2.50%	3.00%
LIBOR | Term Loan Facility | ESH REIT 2016 Term Facility | Medium-term Notes | ESH REIT
Debt Instrument [Line Items]
Spread on base rate (as a percent)	3.00%			2.50%
LIBOR | Revolving Credit Facility | ESH REIT 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Spread on base rate (as a percent)				2.75%
Base Rate | Term Loan Facility | ESH REIT 2016 Term Facility | Medium-term Notes
Debt Instrument [Line Items]
Spread on base rate (as a percent)	2.00%			1.50%
Base Rate | Term Loan Facility | ESH REIT 2016 Term Facility | Medium-term Notes | ESH REIT
Debt Instrument [Line Items]
Spread on base rate (as a percent)	2.00%			1.50%
Minimum | LIBOR | ESH REIT 2016 Revolving Credit Facility | ESH REIT
Debt Instrument [Line Items]
Spread on base rate (as a percent)		2.25%
Minimum | LIBOR | Term Loan Facility | Medium-term Notes
Debt Instrument [Line Items]
Spread on base rate (as a percent)				0.75%	0.75%
Minimum | LIBOR | Term Loan Facility | Medium-term Notes | ESH REIT
Debt Instrument [Line Items]
Spread on base rate (as a percent)				0.75%	0.75%
Minimum | LIBOR | Revolving Credit Facility | ESH REIT 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Spread on base rate (as a percent)				2.25%
Minimum | Base Rate | Term Loan Facility | Medium-term Notes
Debt Instrument [Line Items]
Spread on base rate (as a percent)				2.00%
Minimum | Base Rate | Term Loan Facility | Medium-term Notes | ESH REIT
Debt Instrument [Line Items]
Spread on base rate (as a percent)				2.00%
Minimum | Base Rate | Revolving Credit Facility | ESH REIT 2016 Revolving Credit Facility
Debt Instrument [Line Items]
Spread on base rate (as a percent)		1.25%