Derivative Instruments (Narrative) (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Apr. 01, 2017 USD ($)	Sep. 30, 2016
Derivative [Line Items]
Notional amount	$ 500,000,000.0
Reduction of outstanding derivative amount	50,000,000
Interest rate cash flow hedge loss, net of tax	(456,000)	$ 0
Subsequent Event
Derivative [Line Items]
Notional amount				$ 450,000,000
Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Derivative rate (as a percent)					1.175%
Reduction of outstanding derivative amount	50,000,000
Fair value of interest rate swap	5,300,000		$ 5,000,000
Interest rate cash flow hedge loss, net of tax	3,400,000		3,900,000
Designated as Hedging Instrument | Interest Rate Swap | Other Nonoperating Income (Expense)
Derivative [Line Items]
Interest rate cash flow hedge loss, net of tax	1,300,000		0
ESH REIT
Derivative [Line Items]
Interest rate cash flow hedge loss, net of tax	(583,000)	$ 0
ESH REIT | Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Notional amount	500,000,000.0
Interest rate cash flow hedge loss, net of tax	4,400,000		$ 5,000,000
Term Loan Facility | Medium-term Notes | 2016 Term Loan
Derivative [Line Items]
Notional amount	500,000,000.0
Term Loan Facility | Medium-term Notes | 2016 Term Loan | ESH REIT
Derivative [Line Items]
Derivative rate (as a percent)					1.175%
Notional amount	$ 500,000,000.0
Term Loan Facility | LIBOR | Medium-term Notes | 2016 Term Loan | ESH REIT
Derivative [Line Items]
LIBOR floor					0.0075