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Balance Sheet Components - Marketable Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 25, 2021
--- | --- | ---
Debt Securities, Available-for-sale [Abstract] |  |
Amortized Cost | $ 131,251 | $ 125,334
Gross Unrealized Gains | 0 | 30
Gross Unrealized Losses | (2,245) | (309)
Fair Value | 129,006 | 125,055
Amortized Cost |  |
Due in one year or less | 77,663 | 75,804
Due after one year to five years | 53,588 | 49,530
Amortized Cost | 131,251 | 125,334
Fair Value |  |
Due in one year or less | 76,902 | 75,778
Due after one year to five years | 52,104 | 49,277
Fair Value | 129,006 | 125,055
U.S. treasuries |  |
Debt Securities, Available-for-sale [Abstract] |  |
Amortized Cost | 25,498 | 39,128
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (479) | (143)
Fair Value | 25,019 | 38,985
Amortized Cost |  |
Amortized Cost | 25,498 | 39,128
Fair Value |  |
Fair Value | 25,019 | 38,985
Commercial paper |  |
Debt Securities, Available-for-sale [Abstract] |  |
Amortized Cost | 24,893 | 32,174
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (53) | (13)
Fair Value | 24,840 | 32,161
Amortized Cost |  |
Amortized Cost | 24,893 | 32,174
Fair Value |  |
Fair Value | 24,840 | 32,161
Corporate bonds |  |
Debt Securities, Available-for-sale [Abstract] |  |
Amortized Cost | 68,845 | 52,832
Gross Unrealized Gains | 0 | 29
Gross Unrealized Losses | (1,449) | (151)
Fair Value | 67,396 | 52,710
Amortized Cost |  |
Amortized Cost | 68,845 | 52,832
Fair Value |  |
Fair Value | 67,396 | 52,710
Certificates of deposit |  |
Debt Securities, Available-for-sale [Abstract] |  |
Amortized Cost | 720 | 1,200
Gross Unrealized Gains | 0 | 1
Gross Unrealized Losses | (14) | (2)
Fair Value | 706 | 1,199
Amortized Cost |  |
Amortized Cost | 720 | 1,200
Fair Value |  |
Fair Value | 706 | $ 1,199
U.S. agency securities |  |
Debt Securities, Available-for-sale [Abstract] |  |
Amortized Cost | 11,295 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (250) |
Fair Value | 11,045 |
Amortized Cost |  |
Amortized Cost | 11,295 |
Fair Value |  |
Fair Value | $ 11,045 |

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