Quarterly Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
REVENUE	$ 284,198	$ 332,695	$ 323,657	$ 277,669	$ 289,715	$ 351,076	$ 336,501	$ 297,767
Income from operations	57,055	100,367	100,451	63,953	75,242	121,462	112,504	68,729	$ 321,826	$ 377,937	$ 361,075
NET INCOME	23,846	53,230	59,658	28,404	39,399	75,692	65,570	31,095	165,138	211,756	172,188
Net income attributable to noncontrolling interests	(70,680)	(12,159)	(6,161)	(6,470)	(78,345)	(3,790)	(514)	(16,243)	(95,470)	(98,892)	(93,341)
NET INCOME ATTRIBUTABLE TO EXTENDED STAY AMERICA, INC. COMMON SHAREHOLDERS	$ (46,834)	$ 41,071	$ 53,497	$ 21,934	$ (38,946)	$ 71,902	$ 65,056	$ 14,852	$ 69,668	$ 112,864	$ 78,847
Net income per common share-basic (in dollars per share)	$ (0.26)	$ 0.22	$ 0.28	$ 0.12	$ (0.21)	$ 0.38	$ 0.34	$ 0.08	$ 0.37	$ 0.60	$ 0.41
Net income per common share-diluted (in dollars per share)	$ (0.26)	$ 0.22	$ 0.28	$ 0.12	$ (0.21)	$ 0.38	$ 0.34	$ 0.08	$ 0.37	$ 0.59	$ 0.41
Anti-dilutive securities (in shares)	0.3				0.4