Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues [Abstract]
Room revenues	$ 345,089,000	$ 349,076,000	$ 963,505,000	$ 960,046,000
Other hotel revenues	5,777,000	5,445,000	16,715,000	14,822,000
Total revenues	350,866,000	354,521,000	980,220,000	974,868,000
Operating Expenses [Abstract]
Hotel operating expenses	152,155,000	149,860,000	442,726,000	444,498,000
General and administrative expenses	23,823,000	24,612,000	75,560,000	73,552,000
Depreciation and amortization	57,314,000	55,955,000	172,789,000	164,274,000
Impairment of long-lived assets	0	2,756,000	20,357,000	2,756,000
Total operating expenses	233,292,000	233,183,000	711,432,000	685,080,000
LOSS ON SALE OF HOTEL PROPERTIES	0	0	(1,897,000)	0
OTHER INCOME	344,000	2,000	2,400,000	20,000
INCOME FROM OPERATIONS	117,918,000	121,340,000	269,291,000	289,808,000
OTHER NON-OPERATING INCOME	(278,000)	(305,000)	(426,000)	(1,069,000)
INTEREST EXPENSE, NET	31,651,000	48,713,000	96,958,000	131,462,000
INCOME BEFORE INCOME TAX EXPENSE	86,545,000	72,932,000	172,759,000	159,415,000
INCOME TAX EXPENSE	20,295,000	15,867,000	40,721,000	26,211,000
NET INCOME	66,250,000	57,065,000	132,038,000	133,204,000
NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(12,374,000)	(10,509,000)	(3,286,000)	(8,873,000)
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	$ 53,876,000	$ 46,556,000	$ 128,752,000	$ 124,331,000
NET INCOME PER EXTENDED STAY AMERICA, INC. COMMON SHARE:
Basic (dollars per share)	$ 0.28	$ 0.23	$ 0.67	$ 0.62
Diluted (dollars per share)	$ 0.28	$ 0.23	$ 0.66	$ 0.61
WEIGHTED-AVERAGE EXTENDED STAY AMERICA, INC. COMMON SHARES OUTSTANDING:
Basic (shares)	192,357	200,556	193,399	202,156
Diluted (shares)	193,331	200,696	194,001	202,252
ESH REIT
Revenues [Abstract]
REVENUES- Rental revenues from Extended Stay America, Inc.	$ 143,407,000	$ 153,139,000	$ 375,290,000	$ 385,873,000
Operating Expenses [Abstract]
Hotel operating expenses	22,578,000	22,155,000	69,589,000	68,757,000
General and administrative expenses	3,722,000	3,476,000	12,516,000	10,677,000
Depreciation and amortization	56,523,000	54,748,000	169,916,000	160,546,000
Impairment of long-lived assets	0	0	15,046,000	0
Total operating expenses	82,823,000	80,379,000	267,067,000	239,980,000
LOSS ON SALE OF HOTEL PROPERTIES	0	0	(3,274,000)	0
OTHER INCOME	5,000	0	640,000	0
INCOME FROM OPERATIONS	60,589,000	72,760,000	105,589,000	145,893,000
OTHER NON-OPERATING INCOME	(211,000)	(84,000)	(271,000)	(858,000)
INTEREST EXPENSE, NET	32,116,000	48,521,000	97,779,000	129,886,000
INCOME BEFORE INCOME TAX EXPENSE	28,684,000	24,323,000	8,081,000	16,865,000
INCOME TAX EXPENSE	198,000	671,000	435,000	(3,128,000)
NET INCOME	28,486,000	23,652,000	7,646,000	19,993,000
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	28,482,000	23,648,000	7,634,000	19,981,000
ESH REIT | Class A common stock
Operating Expenses [Abstract]
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	$ 16,112,000	$ 13,143,000	$ 4,360,000	$ 11,121,000
NET INCOME PER EXTENDED STAY AMERICA, INC. COMMON SHARE:
Basic (dollars per share)	$ 0.06	$ 0.05	$ 0.02	$ 0.04
Diluted (dollars per share)	$ 0.06	$ 0.05	$ 0.02	$ 0.04
WEIGHTED-AVERAGE EXTENDED STAY AMERICA, INC. COMMON SHARES OUTSTANDING:
Basic (shares)	250,494	250,494	250,494	250,494
Diluted (shares)	250,494	250,494	250,494	250,494
ESH REIT | Class B common stock
Operating Expenses [Abstract]
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	$ 12,370,000	$ 10,505,000	$ 3,274,000	$ 8,861,000
NET INCOME PER EXTENDED STAY AMERICA, INC. COMMON SHARE:
Basic (dollars per share)	$ 0.06	$ 0.05	$ 0.02	$ 0.04
Diluted (dollars per share)	$ 0.06	$ 0.05	$ 0.02	$ 0.04
WEIGHTED-AVERAGE EXTENDED STAY AMERICA, INC. COMMON SHARES OUTSTANDING:
Basic (shares)	192,357	200,556	193,399	202,156
Diluted (shares)	193,331	200,696	193,399	202,252