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Income Taxes - Net Tax Effect of State and Foreign Loss Carryforwards (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Jan. 01, 2023
--- | --- | ---
Operating Loss Carryforwards [Line Items] |  |
Loss carryforwards | $ 36.7 | $ 33.4
2024 - 2029 |  |
Operating Loss Carryforwards [Line Items] |  |
Loss carryforwards | 4.9 |
2030 - 2039 |  |
Operating Loss Carryforwards [Line Items] |  |
Loss carryforwards | 1.1 |
2040 - 2049 |  |
Operating Loss Carryforwards [Line Items] |  |
Loss carryforwards | 0.1 |
No expiration |  |
Operating Loss Carryforwards [Line Items] |  |
Loss carryforwards | $ 30.6 |

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