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Fair Value Measurements - Financial assets measured at fair value (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Fair Value Measurements |  |
Amortized Cost | $ 219,953 | $ 83,854
Gross Unrealized Losses | (407) | (113)
Gross Unrealized Gains | 17 | 3
Total fair value of financial assets | 219,563 | 83,744
Money market funds |  |
Fair Value Measurements |  |
Amortized Cost | 25,592 | 18,994
Total fair value of financial assets | 25,592 | 18,994
Commercial paper |  |
Fair Value Measurements |  |
Amortized Cost | 9,970 |
Gross Unrealized Gains | 5 |
Total fair value of financial assets | 9,975 |
Cash equivalents |  |
Fair Value Measurements |  |
Amortized Cost | 35,562 | 18,994
Gross Unrealized Gains | 5 |
Total fair value of financial assets | 35,567 | 18,994
U.S. government bonds |  |
Fair Value Measurements |  |
Amortized Cost | 43,433 | 11,820
Gross Unrealized Losses | (164) | (57)
Total fair value of financial assets | 43,269 | 11,763
U.S. government agency bonds |  |
Fair Value Measurements |  |
Amortized Cost | 33,914 | 1,801
Gross Unrealized Losses | (77) | (7)
Gross Unrealized Gains | 9 |
Total fair value of financial assets | 33,846 | 1,794
Corporate debt securities |  |
Fair Value Measurements |  |
Amortized Cost | 107,044 | 51,239
Gross Unrealized Losses | (166) | (49)
Gross Unrealized Gains | 3 | 3
Total fair value of financial assets | 106,881 | 51,193
Short-term investments |  |
Fair Value Measurements |  |
Amortized Cost | 184,391 | 64,860
Gross Unrealized Losses | (407) | (113)
Gross Unrealized Gains | 12 | 3
Total fair value of financial assets | $ 183,996 | $ 64,750

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- Definition Amortized cost 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/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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