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Related Party Transactions - Additional Information (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2021 | May 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |  |  |  |
Property and equipment, net |  |  | $ 37,902,000 | $ 11,708,000 |
Related party accounts receivable |  |  |  | $ 736,000 |
Restricted Stock Units RSU |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Equity award, granted |  |  | 438,474 | 682,517 | 3,012,399
MegaChips |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Agreement termination date | Aug. 31, 2021 |  |  |  |
Related party accounts receivable |  |  | $ 0.0 | $ 700,000 |
MegaChips | Equipment |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Property and equipment, net |  |  |  | $ 100,000 |
MegaChips | SiTime Corporation |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Percentage of outstanding common stock held |  |  | 24.00% | 43.70% |
MegaChips Taiwan Corporation | Equipment |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Property and equipment, net |  |  |  | $ 100,000 |
Akira Takata |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Sales consulting services fee |  | $ 5,000 |  |  |
Agreement extension date |  |  | Dec. 31, 2022 |  |
Akira Takata | Restricted Stock Units RSU |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Equity award, granted |  | 500 |  |  |
Equity award, vesting date |  | Nov. 20, 2021 |  |  |

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