BUSINESS, ORGANIZATION AND BASIS OF CONSOLIDATION - Additional Information (Detail)		6 Months Ended
	Jun. 30, 2020 USD ($) Hotel room State $ / shares shares	Jun. 30, 2020 USD ($) Hotel room State $ / shares shares	Dec. 31, 2019 room Hotel $ / shares shares
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Common stock, shares issued (shares)	177,482,082	177,482,082	179,483,397
Common stock, par value (dollars per share) | $ / shares	$ 0.01	$ 0.01	$ 0.01
Paired shares repurchased and retired, amount | $		$ 31,093,000
Common share to paired share ratio		1
Paired Share Repurchase Program
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Amount of stock repurchase plan authorized (up to) | $	$ 550,000,000	$ 550,000,000
Paired shares repurchased and retired (shares)	28,600,000
Remaining available shares for repurchase (in shares)	101,100,000	101,100,000
ESH REIT | Paired Share Repurchase Program
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Paired shares repurchased and retired, amount | $	$ 166,400,000
Parent Company | Paired Share Repurchase Program
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Paired shares repurchased and retired, amount | $	$ 283,000,000.0
Class B common stock
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Common stock, shares issued (shares)	1	1
Common stock, par value (dollars per share) | $ / shares	$ 0.01	$ 0.01
Class B common stock | ESH REIT
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Common stock, shares issued (shares)	177,500,000	177,500,000	179,500,000
Class A common stock | ESH REIT
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Common stock, shares issued (shares)	250,500,000	250,500,000
Extended Stay America, Inc. | Class B common stock | ESH REIT
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Percentage of common equity (as a percent)	41.00%	41.00%	42.00%
Extended Stay America, Inc. | Class A common stock | ESH REIT
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Approximate percentage of ownership of common stock (as a percent)	59.00%	59.00%
Percentage of common equity (as a percent)	59.00%	59.00%	58.00%
Hotel properties
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of hotel properties | Hotel	636	636
Hotel properties | ESH REIT
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of hotel properties managed for third parties | Hotel	25	25
U.S.
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of states in which the company owns hotels | State	40	40
U.S. | Hotel properties
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of hotel properties | Hotel	561	561	557
Number of rooms | room	62,400	62,400	61,900
Number of hotel properties managed for third parties | Hotel	75	75	73
Number of rooms managed by third parties | room	7,700	7,700	7,500