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Available-for-Sale Investments (Tables) | 6 Months Ended
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Jun. 30, 2022
Investments, Debt and Equity Securities [Abstract] |
Summary of Available-for-Sale Securities Held | The following tables summarize the available-for-sale securities held at June 30, 2022 and December 31, 2021 (in thousands):
June 30, 2022 |  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair Value |
Commercial paper |  | $ | 56,852 |  |  | $ | — |  |  | $ | (238 | ) |  | $ | 56,614 |
Corporate debt securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
U.S. government agency securities and treasuries |  |  | 19,471 |  |  |  | — |  |  |  | (195 | ) |  |  | 19,276 |
Total |  | $ | 76,323 |  |  | $ | — |  |  | $ | (433 | ) |  | $ | 75,890 |
December 31, 2021 |  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair Value |
Commercial paper |  | $ | 106,298 |  |  | $ | 8 |  |  | $ | (29 | ) |  | $ | 106,277 |
Corporate debt securities |  |  | 5,876 |  |  |  | — |  |  |  | (3 | ) |  |  | 5,873 |
U.S. government agency securities and treasuries |  |  | 8,062 |  |  |  | — |  |  |  | (21 | ) |  |  | 8,041 |
Total |  | $ | 120,236 |  |  | $ | 8 |  |  | $ | (53 | ) |  | $ | 120,191 |

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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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