Intangible Assets and Goodwill - REIT - Company's Intangible Assets and Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Definite-lived intangible assets, accumulated amortization	$ (13,133)	$ (11,065)
Definite-lived intangible assets, net, total	24,020
Intangible assets, gross carrying amount	47,316	39,779
Intangible assets, Net Book Value	34,183	28,714
Goodwill, gross carrying amount	45,192	45,192
GOODWILL	45,192	45,192
Total intangible assets and goodwill, gross carrying amount	92,508	84,971
Accumulated amortization of finite lived intangible assets	13,133	11,065
Total intangible assets and goodwill, Net Book Value	79,375	73,906
PMS Software License
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, gross carrying amount	10,353	1,926
Definite-lived intangible assets, accumulated amortization	(763)	(36)
Definite-lived intangible assets, net, total	9,590	1,890
Accumulated amortization of finite lived intangible assets	763	36
Software in Process
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, gross carrying amount		870
Definite-lived intangible assets, accumulated amortization		0
Definite-lived intangible assets, net, total		870
Accumulated amortization of finite lived intangible assets		0
ESH Hospitality, Inc.
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Definite-lived intangible assets, accumulated amortization	(763)	(36)
Definite-lived intangible assets, net, total	9,590
Intangible assets, gross carrying amount		2,796
Intangible assets, Net Book Value	9,590	2,760
Goodwill, gross carrying amount	44,012	44,012
GOODWILL	44,012	44,012
Total intangible assets and goodwill, gross carrying amount	54,365	46,808
Accumulated amortization of finite lived intangible assets	763	36
Total intangible assets and goodwill, Net Book Value	$ 53,602	46,772
Estimated useful life	8 years
ESH Hospitality, Inc. | PMS Software License
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, gross carrying amount	$ 10,353	1,926
Definite-lived intangible assets, accumulated amortization	(763)	(36)
Definite-lived intangible assets, net, total	9,590	1,890
Accumulated amortization of finite lived intangible assets	$ 763	36
ESH Hospitality, Inc. | Software in Process
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, gross carrying amount		870
Definite-lived intangible assets, accumulated amortization		0
Definite-lived intangible assets, net, total		870
Accumulated amortization of finite lived intangible assets		$ 0