SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - REIT - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Impairment charges	$ 0
ESH Hospitality, Inc.
Summary Of Significant Accounting Policies [Line Items]
Impairment charges	$ 0
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