PROPERTY AND EQUIPMENT - Net Investment in Property and Equipment - REIT (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total cost	$ 4,907,292	$ 4,867,499
Less accumulated depreciation	(1,414,471)	(1,373,950)
Property and equipment — net	3,492,821	3,493,549
Finance lease asset	4,343	3,979
ESH Hospitality, Inc.
Property, Plant and Equipment [Line Items]
Total cost	4,918,195	4,878,615
Less accumulated depreciation	(1,412,562)	(1,372,595)
Property and equipment — net	3,505,633	3,506,020
Finance lease asset	4,343	3,979
Land and site improvement
Property, Plant and Equipment [Line Items]
Total cost	1,231,474	1,228,231
Finance lease asset	3,200	3,200
Land and site improvement | ESH Hospitality, Inc.
Property, Plant and Equipment [Line Items]
Total cost	1,233,841	1,230,598
Finance lease asset	3,200	3,200
Building and improvements
Property, Plant and Equipment [Line Items]
Total cost	2,814,840	2,792,579
Building and improvements | ESH Hospitality, Inc.
Property, Plant and Equipment [Line Items]
Total cost	2,846,322	2,824,061
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Total cost	749,815	745,145
Finance lease asset	400	0
Furniture, fixtures and equipment | ESH Hospitality, Inc.
Property, Plant and Equipment [Line Items]
Total cost	756,088	751,417
Finance lease asset	400	0
Hotel properties
Property, Plant and Equipment [Line Items]
Total cost	4,796,129	4,765,955
Less accumulated depreciation	(1,393,347)	(1,353,772)
Hotel properties | ESH Hospitality, Inc.
Property, Plant and Equipment [Line Items]
Total cost	4,836,251	4,806,076
Development in process
Property, Plant and Equipment [Line Items]
Total cost	80,269	70,864
Finance lease asset	800	800
Development in process | ESH Hospitality, Inc.
Property, Plant and Equipment [Line Items]
Total cost	80,269	70,864
Finance lease asset	800	800
Undeveloped land parcel | ESH Hospitality, Inc.
Property, Plant and Equipment [Line Items]
Total cost	$ 1,675	$ 1,675