Goodwill and Intangible Assets - Goodwill Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
Beginning balance		$ 56,992
Measurement period adjustments	$ (9,000)
Sweet Baked Goods
Goodwill [Roll Forward]
Beginning balance		56,992
In-Store Bakery
Goodwill [Roll Forward]
Beginning balance		0
Successor
Goodwill [Roll Forward]
Beginning balance	588,460
Measurement period adjustments	(9,014)
Ending balance	579,446	588,460
Successor \| Sweet Baked Goods
Goodwill [Roll Forward]
Beginning balance	542,410
Measurement period adjustments	(12,987)
Ending balance	529,423	542,410
Successor \| In-Store Bakery
Goodwill [Roll Forward]
Beginning balance	46,050
Measurement period adjustments	3,973
Ending balance	50,023	46,050
Predecessor
Goodwill [Roll Forward]
Elimination of Predecessor goodwill		(81,219)
Predecessor \| Sweet Baked Goods
Goodwill [Roll Forward]
Elimination of Predecessor goodwill		(56,992)
Predecessor \| In-Store Bakery
Goodwill [Roll Forward]
Elimination of Predecessor goodwill		(24,227)
Superior \| Predecessor
Goodwill [Roll Forward]
Goodwill acquired during period		24,227
Superior \| Predecessor \| Sweet Baked Goods
Goodwill [Roll Forward]
Goodwill acquired during period		0
Superior \| Predecessor \| In-Store Bakery
Goodwill [Roll Forward]
Goodwill acquired during period		24,227
Hostess Holdings \| Successor
Goodwill [Roll Forward]
Goodwill acquired during period		588,460
Hostess Holdings \| Successor \| Sweet Baked Goods
Goodwill [Roll Forward]
Goodwill acquired during period		542,410
Hostess Holdings \| Successor \| In-Store Bakery
Goodwill [Roll Forward]
Goodwill acquired during period		$ 46,050
Hostess Holdings \| Predecessor
Goodwill [Roll Forward]
Ending balance	$ 579,446

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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