INTANGIBLE ASSETS AND GOODWILL - Schedule of Intangible Assets and Goodwill REIT (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (12,495)	$ (11,065)
Finite-lived intangible assets, Net Book Value	22,813
Total intangible assets, Gross Carrying Amount	45,530	39,779
Total intangible assets, Net Book Value	33,035	28,714
Goodwill	45,192	45,192
Total intangible assets and goodwill, Gross Carrying Amount	90,722	84,971
Total intangible assets and goodwill, Net Book Value	78,227	73,906
ESH REIT
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	(460)	(36)
Finite-lived intangible assets, Net Book Value	8,048
Total intangible assets, Gross Carrying Amount	8,566	2,796
Total intangible assets, Net Book Value	8,106	2,760
Goodwill	44,012	44,012
Total intangible assets and goodwill, Gross Carrying Amount	52,578	46,808
Total intangible assets and goodwill, Net Book Value	52,118	46,772
Software licenses
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible assets, Gross Carrying Amount	8,508	1,926
Accumulated Amortization	(460)	(36)
Finite-lived intangible assets, Net Book Value	8,048	1,890
Software licenses | ESH REIT
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible assets, Gross Carrying Amount	8,508	1,926
Accumulated Amortization	(460)	(36)
Finite-lived intangible assets, Net Book Value	8,048	1,890
Software licenses in process
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible assets, Gross Carrying Amount	58	870
Accumulated Amortization	0	0
Finite-lived intangible assets, Net Book Value	58	870
Software licenses in process | ESH REIT
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible assets, Gross Carrying Amount	58	870
Accumulated Amortization	0	0
Finite-lived intangible assets, Net Book Value	$ 58	$ 870