Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Distributed portion of taxable income (as a percent)	100.00%	100.00%	100.00%
Provisional deferred income tax expense			$ 4.1
Taxable income prior to distribution	$ 233.4	$ 297.2	$ 231.6
ESH REIT's assets	$ 5.2
ESH REIT
Income Taxes [Line Items]
Distributed portion of taxable income (as a percent)	100.00%	100.00%	100.00%
ESH REIT \| Extended Stay America, Inc. \| Common Class A
Income Taxes [Line Items]
Approximate percentage of ownership of common stock	58.00%	57.00%

The net unrealized appreciation or depreciation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 5
-Subparagraph (SX 210.12-13(7)(c))
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611282-123010

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-12C(11)(c))
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12(8)(c))
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010

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