v3.8.0.1

Tax Receivable Agreement - Future Expected Payments (Details) $ in Thousands | Dec. 31, 2017 USD ($)
--- | ---
Income Tax Disclosure [Abstract] |
2018 | $ 14,200
2019 | 7,600
2020 | 7,400
2021 | 7,200
2022 | 7,200
Thereafter | $ 80,760

X
- Definition Tax Receivable Agreement, Due after Fifth Year + References No definition available. + Details
Name: | twnk_TaxReceivableAgreementDueafterFifthYear
Namespace Prefix: | twnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Tax Receivable Agreement, Due in Fifth Year + References No definition available. + Details
Name: | twnk_TaxReceivableAgreementDueinFifthYear
Namespace Prefix: | twnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Tax Receivable Agreement, Due in Fourth Year + References No definition available. + Details
Name: | twnk_TaxReceivableAgreementDueinFourthYear
Namespace Prefix: | twnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Tax Receivable Agreement, Due in Next Fiscal Year + References No definition available. + Details
Name: | twnk_TaxReceivableAgreementDueinNextFiscalYear
Namespace Prefix: | twnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Tax Receivable Agreement, Due in Second Year + References No definition available. + Details
Name: | twnk_TaxReceivableAgreementDueinSecondYear
Namespace Prefix: | twnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Tax Receivable Agreement, Due in Third Year + References No definition available. + Details
Name: | twnk_TaxReceivableAgreementDueinThirdYear
Namespace Prefix: | twnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration