v3.10.0.1

Summary of Significant Accounting Policies - Description of Business (Details)	9 Months Ended
	Sep. 30, 2018 segment
Accounting Policies [Abstract]
Ownership percentage in Hostess Holdings	100.00%
Number of reportable segments	2

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- References

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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