Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Entity Information [Line Items]
NET INCOME	$ 75,692	$ 66,250	$ 172,357	$ 132,038
FOREIGN CURRENCY TRANSLATION ADJUSTMENTS:
FOREIGN CURRENCY TRANSLATION (LOSS) GAIN, NET OF TAX	0	65	(52)	470
RECLASSIFICATION ADJUSTMENT - SALE OF CANADIAN HOTEL PROPERTIES, NET OF TAX	0	0	0	10,913
TOTAL FOREIGN CURRENCY TRANSLATION ADJUSTMENTS	0	65	(52)	11,383
DERIVATIVE ADJUSTMENTS:
INTEREST RATE CASH FLOW HEDGE (LOSS) GAIN, NET OF TAX	(157)	(16)	1,752	(509)
RECLASSIFICATION ADJUSTMENT - AMOUNTS RECLASSIFIED TO NET INCOME, NET OF TAX	0	103	0	706
TOTAL DERIVATIVE ADJUSTMENTS	(157)	87	1,752	197
COMPREHENSIVE INCOME	75,535	66,402	174,057	143,618
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(3,713)	(12,423)	(21,392)	(7,271)
COMPREHENSIVE INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	71,822	53,979	152,665	136,347
ESH REIT
Entity Information [Line Items]
NET INCOME	8,821	28,486	47,592	7,646
FOREIGN CURRENCY TRANSLATION ADJUSTMENTS:
FOREIGN CURRENCY TRANSLATION (LOSS) GAIN, NET OF TAX	0	0	0	531
RECLASSIFICATION ADJUSTMENT - SALE OF CANADIAN HOTEL PROPERTIES, NET OF TAX	0	0	0	12,256
TOTAL FOREIGN CURRENCY TRANSLATION ADJUSTMENTS	0	0	0	12,787
DERIVATIVE ADJUSTMENTS:
INTEREST RATE CASH FLOW HEDGE (LOSS) GAIN, NET OF TAX	(184)	9	1,953	(453)
RECLASSIFICATION ADJUSTMENT - AMOUNTS RECLASSIFIED TO NET INCOME, NET OF TAX	0	103	0	706
TOTAL DERIVATIVE ADJUSTMENTS	(184)	112	1,953	253
COMPREHENSIVE INCOME	$ 8,637	$ 28,598	$ 49,545	$ 20,686