SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - REIT - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Impairment of long-lived assets | $	$ 675,000	$ 0	$ 675,000	$ 0
Number of reportable segments | segment			2
ESH Hospitality, Inc.
Summary Of Significant Accounting Policies [Line Items]
Impairment of long-lived assets | $	$ 700,000	$ 0	$ 675,000	$ 0
Number of reportable segments | segment			1
Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of asset (years)			2 years
Minimum | ESH Hospitality, Inc.
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of asset (years)			2 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of asset (years)			49 years
Maximum | ESH Hospitality, Inc.
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of asset (years)			49 years