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Fair Value Measurements | 12 Months Ended
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Dec. 31, 2023
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements Cash equivalents and investments, as measured at fair value on a recurring basis, consisted of the following:
|  |  |  | December 31,
|  |  |  | 2023 |  | 2022
|  | Fair Value Level |  | Amortized Cost |  | Unrealized Gains (Losses), net |  | Fair Value |  | Amortized Cost |  | Unrealized Gains (Losses), net |  | Fair Value
(in thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | Level 1 |  | $ | 161,233 |  |  | $ | — |  |  | $ | 161,233 |  |  | $ | 73,368 |  |  | $ | — |  |  | $ | 73,368 |
Investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | Level 1 |  | 6,805 |  |  | — |  |  | 6,805 |  |  | 6,813 |  |  | — |  |  | 6,813 |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | Level 2 |  | 48,860 |  |  | 694 |  |  | 49,554 |  |  | 44,224 |  |  | 375 |  |  | 44,599 |
|  |  |  | $ | 216,898 |  |  | $ | 694 |  |  | $ | 217,592 |  |  | $ | 124,405 |  |  | $ | 375 |  |  | $ | 124,780 |

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- Definition The entire disclosure for financial instruments. This disclosure includes, but is not limited to, fair value measurements of short and long term marketable securities, international currencies forward contracts, and auction rate securities. Financial instruments may include hedging and non-hedging currency exchange instruments, derivatives, securitizations and securities available for sale at fair value. Also included are investment results, realized and unrealized gains and losses as well as impairments and risk management disclosures. + References No definition available. + Details
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