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Cash and Investments in Marketable Securities (Tables) | 9 Months Ended
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Sep. 30, 2023
Fair Value Disclosures [Abstract] |
Schedule of Cash and Investments in Marketable Securities, Including Cash Equivalents | Cash and investments in marketable securities, including cash equivalents, are as follows (in thousands):
|  | Estimated Fair Value at |
|  | September 30, 2023 |  |  | December 31, 2022 |
Cash and cash equivalents |  | $ | 64,921 |  |  | $ | 88,227 |
Short-term investments |  |  | 307,737 |  |  |  | 416,750 |
Total cash and investments in marketable securities |  | $ | 372,658 |  |  | $ | 504,977 |
Schedule of Portfolio of Cash and Investments in Marketable Securities | Our portfolio of cash and investments in marketable securities includes (in thousands):
|  |  |  | September 30, 2023 |  |  | December 31, 2022 |
|  | Fair Value Hierarchy Level |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Fair Value |
Corporate notes and bonds |  | 2 |  | $ | 11,251 |  |  | $ | — |  |  | $ | (20 | ) |  | $ | 11,231 |  |  | $ | 83,522 |
Corporate commercial paper |  | 2 |  |  | 294,184 |  |  |  | — |  |  |  | (229 | ) |  |  | 293,955 |  |  |  | 344,204 |
Available-for-sale investments |  |  |  | $ | 305,435 |  |  | $ | — |  |  | $ | (249 | ) |  | $ | 305,186 |  |  | $ | 427,726 |
Money market funds |  | 1 |  |  |  |  |  |  |  |  |  |  |  | 46,858 |  |  |  | 47,054 |
Certificates of deposit |  | 2 |  |  |  |  |  |  |  |  |  |  |  | 15,186 |  |  |  | 21,399 |
Cash |  | N/A |  |  |  |  |  |  |  |  |  |  |  | 5,428 |  |  |  | 8,798 |
Total cash and investments in marketable securities |  |  |  |  |  |  |  |  | $ | 372,658 |  |  | $ | 504,977 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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