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		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net income (loss)	$ (8,770)	$ 59,658	$ (925)	$ 88,062
NET (LOSS) INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	(12,363)	53,497	(7,809)	75,431
Net income available to ESH Hospitality, Inc. common shareholders	(12,363)	53,497	(7,809)	75,431
Income attributable to noncontrolling interests assuming conversion	(3)	(7)	(5)	(12)
Net income available to common shareholders - diluted	$ (12,366)	$ 53,490	$ (7,814)	$ 75,419
Denominator:
Weighted average number of ESH Hospitality, Inc. Class B common shares outstanding - basic (shares)	177,551	188,450	177,771	188,399
Dilutive securities (shares)	0	363	0	296
Weighted-average number of common shares outstanding - diluted (shares)	177,551	188,813	177,771	188,695
Net (loss) income per common share - basic (dollars per share)	$ (0.07)	$ 0.28	$ (0.04)	$ 0.40
Net (loss) income per common share - diluted (dollars per share)	$ (0.07)	$ 0.28	$ (0.04)	$ 0.40
ESH Hospitality, Inc.
Numerator:
Net income (loss)	$ 8,665	$ 14,349	$ 16,583	$ 29,415
Less preferred dividends	(4)	(4)	(8)	(8)
NET (LOSS) INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	8,661	14,345	16,575	29,407
Net income available to ESH Hospitality, Inc. common shareholders	8,661	14,345	16,575	29,407
ESH Hospitality, Inc. | Class A common stock
Numerator:
NET (LOSS) INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	5,065	8,186	9,689	16,783
Net income available to ESH Hospitality, Inc. common shareholders	5,065	8,186	9,689	16,783
Income attributable to noncontrolling interests assuming conversion	(3)	(7)	(5)	(12)
Net income available to common shareholders - diluted	$ 5,062	$ 8,179	$ 9,684	$ 16,771
Denominator:
Weighted-average number of ESH Hospitality, Inc. shares outstanding, basic and diluted (shares)	250,494	250,494	250,494	250,494
Weighted average number of ESH Hospitality, Inc. Class B common shares outstanding - basic (shares)	250,494	250,494	250,494	250,494
Weighted-average number of common shares outstanding - diluted (shares)	250,494	250,494	250,494	250,494
Net (loss) income per common share - basic (dollars per share)	$ 0.02	$ 0.03	$ 0.04	$ 0.07
Net (loss) income per common share - diluted (dollars per share)	$ 0.02	$ 0.03	$ 0.04	$ 0.07
ESH Hospitality, Inc. | Class B common stock
Numerator:
NET (LOSS) INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	$ 3,596	$ 6,159	$ 6,886	$ 12,624
Net income available to ESH Hospitality, Inc. common shareholders	3,596	6,159	6,886	12,624
Income attributable to noncontrolling interests assuming conversion	3	7	5	12
Net income available to common shareholders - diluted	$ 3,599	$ 6,166	$ 6,891	$ 12,636
Denominator:
Weighted average number of ESH Hospitality, Inc. Class B common shares outstanding - basic (shares)	177,551	188,450	177,771	188,399
Dilutive securities (shares)	293	363	237	296
Weighted-average number of common shares outstanding - diluted (shares)	177,844	188,813	178,008	188,695
Net (loss) income per common share - basic (dollars per share)	$ 0.02	$ 0.03	$ 0.04	$ 0.07
Net (loss) income per common share - diluted (dollars per share)	$ 0.02	$ 0.03	$ 0.04	$ 0.07