RELATED PARTY TRANSACTIONS - Additional Information - REIT (Detail) shares in Millions		1 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) shares	Mar. 31, 2020 USD ($) shares	Mar. 31, 2019 USD ($) shares	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) lease shares	Jun. 30, 2019 USD ($)	Jul. 31, 2020 USD ($)	May 06, 2020 USD ($)	Dec. 31, 2019 USD ($)
Related Party Transaction [Line Items]
Common distributions						$ 16,177,000	$ 30,287,000
Class A common stock
Related Party Transaction [Line Items]
Common distributions				$ 2,500,000
Revolving Credit Facility | 2016 ESH REIT Revolving Credit Facility | ESH REIT
Related Party Transaction [Line Items]
Additional borrowing capacity									$ 150,000,000.0
Revolving Credit Facility | 2016 ESH REIT Revolving Credit Facility | ESH REIT | Subsequent Event
Related Party Transaction [Line Items]
Additional borrowing capacity								$ 150,000,000.0
ESH Hospitality, Inc.
Related Party Transaction [Line Items]
Number of leases | lease						3
Term of lease	5 years			5 years		5 years
Lease renewal term	5 years			5 years		5 years
Termination period						30 months
Expenses from related party				$ 2,400,000	$ 2,300,000	$ 5,300,000	4,800,000
Common distributions						64,571,000	127,582,000
Issuance of Class B common stock related to issuance of Paired Shares						762,000	1,248,000
ESH Hospitality, Inc. | Class A common stock
Related Party Transaction [Line Items]
Common distributions					35,100,000	$ 37,600,000	72,600,000
ESH Hospitality, Inc. | Class B common stock
Related Party Transaction [Line Items]
Issuance of Class B common stock related to issuance of Paired Shares		$ 700,000	$ 1,200,000
Stock issued (shares) | shares		0.2	0.2
Restricted stock, granted (shares) | shares	1.1
Shares expected to be issued (shares) | shares	1.1			1.1		1.1
ESH Hospitality, Inc. | Line of Credit | ESH REIT Intercompany Facility
Related Party Transaction [Line Items]
Carrying amount, unsecured intercompany facility	$ 0			$ 0		$ 0				$ 0
ESH Hospitality, Inc. | Equity Based Awards | Corporation
Related Party Transaction [Line Items]
Total equity-based compensation				(300,000)	300,000	500,000	600,000
ESH Hospitality, Inc. | Line of Credit | Unsecured Debt | ESH REIT Intercompany Facility
Related Party Transaction [Line Items]
Interest expense, related party				0	$ 0	0	$ 0
Line of credit maximum additional principal available	$ 300,000,000.0			$ 300,000,000.0		$ 300,000,000.0
Performance Based Awards | ESH Hospitality, Inc.
Related Party Transaction [Line Items]
Percentage of award vest	100.00%