Summary of Significant Accounting Policies - REIT - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) Hotel	Jan. 01, 2019 USD ($)	Feb. 28, 2018 Hotel	May 31, 2017 Hotel
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | segment	2
Impairment charges goodwill	$ 0	$ 0	$ 0
Distributed portion of taxable income (as a percent)	100.00%	100.00%	100.00%
Foreign currency translation gains (losses)			$ 14,500,000
Foreign currency transaction (gain) loss	$ (391,000)	$ 443,000	$ (713,000)
Compensation expense equity awards	0
Operating lease right-of-use asset	4,863,000
Operating lease liability	12,590,000
Finance lease right-of-use asset	3,979,000
Finance lease liability	$ 3,379,000
Accounting Standards Update 2016-02
Summary Of Significant Accounting Policies [Line Items]
Operating lease right-of-use asset				$ 7,100,000
Operating lease liability				14,500,000
Finance lease right-of-use asset				3,800,000
Finance lease liability				3,400,000
Hotel | Disposed of by Sale | Extended Stay Canada
Summary Of Significant Accounting Policies [Line Items]
Number of Hotels | Hotel						3
Hotel | CANADA | Disposed of by Sale | Extended Stay Canada
Summary Of Significant Accounting Policies [Line Items]
Number of Hotels | Hotel			3
ESH Hospitality, Inc.
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | segment	1
Impairment charges goodwill	$ 0	$ 0	$ 0
Distributed portion of taxable income (as a percent)	100.00%	100.00%	100.00%
Foreign currency translation gains (losses)			$ (12,500,000)
Foreign currency transaction (gain) loss	$ (310,000)	$ 340,000	$ (541,000)
Compensation expense equity awards	0
Operating lease right-of-use asset	2,084,000
Operating lease liability	9,207,000
Finance lease right-of-use asset	3,979,000
Finance lease liability	$ 3,379,000
ESH Hospitality, Inc. | Accounting Standards Update 2016-02
Summary Of Significant Accounting Policies [Line Items]
Operating lease right-of-use asset				2,800,000
Operating lease liability				9,300,000
Finance lease right-of-use asset				3,800,000
Finance lease liability				$ 3,400,000
ESH Hospitality, Inc. | Hotel | Disposed of by Sale
Summary Of Significant Accounting Policies [Line Items]
Number of Hotels | Hotel					25
ESH Hospitality, Inc. | Hotel | CANADA | Disposed of by Sale
Summary Of Significant Accounting Policies [Line Items]
Number of Hotels | Hotel						3
ESH Hospitality, Inc. | Hotel | CANADA | Disposed of by Sale | Extended Stay Canada
Summary Of Significant Accounting Policies [Line Items]
Number of Hotels | Hotel			3