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Revenue - Additional Information (Details) - USD ($) $ in Thousands | Apr. 19, 2020 | Dec. 29, 2019
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Disaggregation of Revenue [Line Items] |  |
Unearned revenue | $ 43,349 | $ 54,223
Gift card revenue |  |
Disaggregation of Revenue [Line Items] |  |
Unearned revenue | 32,650 | 43,544
Deferred loyalty revenue |  |
Disaggregation of Revenue [Line Items] |  |
Unearned revenue | $ 10,699 | $ 10,679

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- Details
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