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Available-for-Sale-Securities (Tables) | 3 Months Ended
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Mar. 31, 2024
Debt Securities, Available-for-Sale [Abstract] |
Schedule of Available-for-sale Securities Reconciliation | The following table is a summary of available-for-sale securities recorded in cash and cash equivalents or marketable securities in our Consolidated Balance Sheets (in thousands):
| March 31, 2024 |  | December 31, 2023
| Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Corporate debt securities | $ | 33,750 |  |  | $ | — |  |  | $ | (18) |  |  | $ | 33,732 |  |  | $ | 37,791 |  |  | $ | 3 |  |  | $ | (8) |  |  | $ | 37,786 |
Commercial paper | — |  |  | — |  |  | — |  |  | — |  |  | 1,981 |  |  | — |  |  | — |  |  | 1,981 |
Money market funds | 5,242 |  |  | — |  |  | — |  |  | 5,242 |  |  | 4,268 |  |  | — |  |  | — |  |  | 4,268 |
Municipal debt securities | 247 |  |  | — |  |  | — |  |  | 247 |  |  | 622 |  |  | — |  |  | — |  |  | 622 |
Total | $ | 39,239 |  |  | $ | — |  |  | $ | (18) |  |  | $ | 39,221 |  |  | $ | 44,662 |  |  | $ | 3 |  |  | $ | (8) |  |  | $ | 44,657 |
Schedule of Marketable Securities | Estimated fair values of available-for-sale securities are generally based on prices obtained from commercial pricing services. The following table summarizes the classification of the available-for-sale securities in the Company's Consolidated Balance Sheets (in thousands):
| March 31, 2024 |  | December 31, 2023
Cash equivalents | $ | 17,677 |  |  | $ | 16,715 |
Marketable securities | 21,544 |  |  | 27,942 |
Total | $ | 39,221 |  |  | $ | 44,657 |
Investments Classified by Contractual Maturity Date | The following table summarizes our portfolio of available-for-sale securities by contractual maturity (in thousands):
| March 31, 2024
| Amortized Cost |  | Estimated Fair Value
Less than one year | $ | 39,239 |  |  | $ | 39,221 |
Greater than one year | — |  |  | — |
Total | $ | 39,239 |  |  | $ | 39,221 |

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