Schedule I [Schedule] - Distributions Received from ESH Hospitality, Inc. (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Parent [Member]
Dividends Payable [Line Items]
Dividend paid to corporation	$ 155.3	$ 150.3	$ 132.7