Intangible Assets and Goodwill - Additional Information (Detail)	6 Months Ended
Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Weighted Average Amortization Period For Intangible Assets	9 years

Weighted average amortization period for intangible assets.

No definition available.

Name:	stay_WeightedAverageAmortizationPeriodForIntangibleAssets
Namespace Prefix:	stay_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration