Quarterly Results (Unaudited) - Quarterly Financial Data (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Results Of Operations [Line Items]
Total revenues	$ 295,725	$ 354,521	$ 332,789	$ 287,558	$ 296,335	$ 360,516	$ 340,311	$ 287,591	$ 1,270,593	$ 1,284,753	$ 1,213,475
Income from operations	70,856	121,340	104,712	63,756	197,053	115,818	117,285	69,916	360,664	500,072	348,738
NET INCOME	30,148	57,065	61,386	14,753	132,132	58,225	64,805	27,860	163,352	283,022	150,554
Net income (loss) attributable to noncontrolling interests	(84,547)	(10,509)	(657)	2,293	(136,279)	(20,569)	(6,822)	(6,312)	(93,420)	(169,982)	(110,958)
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	$ (54,399)	$ 46,556	$ 60,729	$ 17,046	$ (4,147)	$ 37,656	$ 57,983	$ 21,548	$ 69,932	$ 113,040	$ 39,596
Net income (loss) per common share-basic (in dollars per share)	$ (0.28)	$ 0.23	$ 0.30	$ 0.08	$ (0.02)	$ 0.18	$ 0.28	$ 0.11	$ 0.35	$ 0.55	$ 0.19
Net income (loss) per common share-diluted (in dollars per share)	$ (0.28)	$ 0.23	$ 0.30	$ 0.08	$ (0.02)	$ 0.18	$ 0.28	$ 0.11	$ 0.35	$ 0.55	$ 0.19
ESH REIT [Member]
Quarterly Results Of Operations [Line Items]
REVENUES - Rental revenues from Extended Stay America, Inc. (Note 11)	$ 308,402	$ 153,139	$ 116,492	$ 116,242	$ 316,003	$ 156,841	$ 123,600	$ 123,191	$ 694,275	$ 719,635	$ 684,205
Income from operations	228,563	72,760	36,336	36,797	346,621	81,797	49,258	46,533	374,456	524,209	392,845
NET INCOME	$ 192,214	$ 23,652	$ 1,471	$ (5,130)	$ 303,181	$ 45,770	$ 15,188	$ 14,046	212,207	378,184	247,094
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS									212,191	378,168	247,094
ESH REIT [Member] | Common Class A [Member]
Quarterly Results Of Operations [Line Items]
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS									$ 118,787	$ 208,202	$ 136,152
Net income (loss) per common share-basic (in dollars per share)	$ 0.43	$ 0.05	$ 0.00	$ (0.01)	$ 0.67	$ 0.10	$ 0.03	$ 0.03	$ 0.47	$ 0.83	$ 0.54
Net income (loss) per common share-diluted (in dollars per share)	0.43	0.05	0.00	(0.01)	0.67	0.10	0.03	0.03	$ 0.47	$ 0.83	$ 0.54
ESH REIT [Member] | Common Class B [Member]
Quarterly Results Of Operations [Line Items]
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS									$ 93,404	$ 169,966	$ 110,942
Net income (loss) per common share-basic (in dollars per share)	0.43	0.05	0.00	(0.01)	0.67	0.10	0.03	0.03	$ 0.47	$ 0.83	$ 0.55
Net income (loss) per common share-diluted (in dollars per share)	$ 0.43	$ 0.05	$ 0.00	$ (0.01)	$ 0.67	$ 0.10	$ 0.03	$ 0.03	$ 0.47	$ 0.83	$ 0.54