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Summary of Significant Accounting Policies - Marketable Securities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 25, 2021 | Dec. 26, 2020
Marketable Securities [Abstract] |  |  |
Marketable securities | $ 186,419 | $ 205,744 |
Equity Securities, FV-NI, Unrealized Gain (Loss) [Abstract] |  |  |
Unrealized gain (loss) on equity securities | $ (1,325) | $ (900) | $ (1,791)

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