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Marketable Securities (Tables) | 12 Months Ended
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Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Summary of Fair Value of Marketable Securities by Type of Marketable Securities | The amortized cost, gross unrealized holding gains, gross unrealized holding losses and fair value of our marketable securities by type of security as of December 31, 2022 was as follows:
|  |  |  | DECEMBER 31, 2022 |
(in thousands) |  | Fair Value Hierarchy Level |  | Amortized Cost |  |  | Gross Unrealized Holding Gains |  |  | Gross Unrealized Holding Losses |  |  | Fair Value |
Money market funds |  | Level 1 |  | $ | 12,647 |  |  | $ | — |  |  | $ | — |  |  | $ | 12,647 |
U.S. treasury securities |  | Level 1 |  |  | 39,372 |  |  |  | — |  |  |  | (169 | ) |  |  | 39,203 |
U.S. government agency securities |  | Level 2 |  |  | 76,860 |  |  |  | 37 |  |  |  | (82 | ) |  |  | 76,815 |
|  |  |  | $ | 128,879 |  |  | $ | 37 |  |  | $ | (251 | ) |  | $ | 128,665 |
Schedule of Marketable Securities by Balance Sheet Location Classification | The fair values of marketable securities by classification in the consolidated balance sheets was as follows:
(in thousands) |  | DECEMBER 31, 2022 |
Cash and cash equivalents |  | $ | 16,629 |
Marketable securities |  |  | 112,036 |
|  | $ | 128,665 |
Schedule of Fair Values of Available-for-Sale Debt Securities by Contractual Maturity | The fair values of available-for-sale debt securities as of December 31, 2022, by contractual maturity, are summarized as follows:
(in thousands) |  | DECEMBER 31, 2022 |
Due in one year or less |  | $ | 127,667 |
Due after one year through two years |  |  | 998 |
|  | $ | 128,665 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 + Details
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