NET INCOME PER SHARE - Calculations of Basic and Diluted Net Income Per Share, Including a Reconciliation of Numerators and Denominators - REIT (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net income	$ 7,845	$ 28,404
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	4,554	21,934
Net income available to ESH Hospitality, Inc. common shareholders	4,554	21,934
Income attributable to noncontrolling interests assuming conversion	(2)	(4)
Net income available to common shareholders - diluted	$ 4,552	$ 21,930
Denominator:
Weighted average number of ESH Hospitality, Inc. Class B common shares outstanding - basic (shares)	177,990	188,348
Dilutive securities (shares)	181	228
Weighted-average number of common shares outstanding - diluted (shares)	178,171	188,576
Net income per common share - basic (dollars per share)	$ 0.03	$ 0.12
Net income per common share - diluted (dollars per share)	$ 0.03	$ 0.12
ESH Hospitality, Inc.
Numerator:
Net income	$ 7,918	$ 15,066
Less preferred dividends	(4)	(4)
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	7,914	15,062
Net income available to ESH Hospitality, Inc. common shareholders	7,914	15,062
ESH Hospitality, Inc. | Class A common stock
Numerator:
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	4,627	8,598
Net income available to ESH Hospitality, Inc. common shareholders	4,627	8,598
Income attributable to noncontrolling interests assuming conversion	(2)	(4)
Net income available to common shareholders - diluted	$ 4,625	$ 8,594
Denominator:
Weighted-average number of ESH Hospitality, Inc. shares outstanding, basic and diluted (shares)	250,494	250,494
Weighted average number of ESH Hospitality, Inc. Class B common shares outstanding - basic (shares)	250,494	250,494
Weighted-average number of common shares outstanding - diluted (shares)	250,494	250,494
Net income per common share - basic (dollars per share)	$ 0.02	$ 0.03
Net income per common share - diluted (dollars per share)	$ 0.02	$ 0.03
ESH Hospitality, Inc. | Class B common stock
Numerator:
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	$ 3,287	$ 6,464
Net income available to ESH Hospitality, Inc. common shareholders	3,287	6,464
Income attributable to noncontrolling interests assuming conversion	2	4
Net income available to common shareholders - diluted	$ 3,289	$ 6,468
Denominator:
Weighted average number of ESH Hospitality, Inc. Class B common shares outstanding - basic (shares)	177,990	188,348
Dilutive securities (shares)	181	228
Weighted-average number of common shares outstanding - diluted (shares)	178,171	188,576
Net income per common share - basic (dollars per share)	$ 0.02	$ 0.03
Net income per common share - diluted (dollars per share)	$ 0.02	$ 0.03