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Fair Value of Financial Instruments - Auction rate securities (Details) - Auction rate securities - Significant Unobservable Inputs (Level 3) $ in Thousands | Apr. 02, 2022 USD ($) Y | Jan. 01, 2022 USD ($)
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Weighted Average | Estimated yield | Discounted cash flow |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |
Unobservable Input | 0.0101 |
Weighted Average | Expected holding period | Discounted cash flow |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |
Unobservable Input | Y | 10 |
Weighted Average | Estimated discount rate | Discounted cash flow |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |
Unobservable Input | 0.0358 |
Recurring |  |
Quantitative information for Level 3 Fair Value Measurements Assets |  |
Fair value balance at the end of the period | $ | $ 4,944 | $ 4,980

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