XML 80 R54.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Fair Value Measurements - Recurring Fair Value Measurements (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets |  |
Short-term investments | $ 268,724 | $ 440,858
Fair Value, Measurements, Recurring |  |
Assets |  |
Total assets | 1,127,309 | 903,317
Fair Value, Measurements, Recurring | Money market funds |  |
Assets |  |
Money market funds | 627,983 | 462,459
Fair Value, Measurements, Recurring | U.S. treasury bills |  |
Assets |  |
Money market funds | 230,602 |
Fair Value, Measurements, Recurring | U.S. treasury securities |  |
Assets |  |
Short-term investments | 240,256 | 378,002
Fair Value, Measurements, Recurring | U.S. agency securities |  |
Assets |  |
Short-term investments | 14,993 | 29,059
Fair Value, Measurements, Recurring | Commercial paper |  |
Assets |  |
Short-term investments |  | 28,815
Fair Value, Measurements, Recurring | Asset-backed securities |  |
Assets |  |
Short-term investments | 10,500 |
Fair Value, Measurements, Recurring | Corporate debt securities |  |
Assets |  |
Short-term investments | 2,975 | 4,982
Fair Value, Measurements, Recurring | Level 1 |  |
Assets |  |
Total assets | 1,098,841 | 840,461
Fair Value, Measurements, Recurring | Level 1 | Money market funds |  |
Assets |  |
Money market funds | 627,983 | 462,459
Fair Value, Measurements, Recurring | Level 1 | U.S. treasury bills |  |
Assets |  |
Money market funds | 230,602 |
Fair Value, Measurements, Recurring | Level 1 | U.S. treasury securities |  |
Assets |  |
Short-term investments | 240,256 | 378,002
Fair Value, Measurements, Recurring | Level 1 | U.S. agency securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Commercial paper |  |
Assets |  |
Short-term investments |  | 0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed securities |  |
Assets |  |
Short-term investments | 0 |
Fair Value, Measurements, Recurring | Level 1 | Corporate debt securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Level 2 |  |
Assets |  |
Total assets | 28,468 | 62,856
Fair Value, Measurements, Recurring | Level 2 | Money market funds |  |
Assets |  |
Money market funds | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | U.S. treasury bills |  |
Assets |  |
Money market funds | 0 |
Fair Value, Measurements, Recurring | Level 2 | U.S. treasury securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | U.S. agency securities |  |
Assets |  |
Short-term investments | 14,993 | 29,059
Fair Value, Measurements, Recurring | Level 2 | Commercial paper |  |
Assets |  |
Short-term investments |  | 28,815
Fair Value, Measurements, Recurring | Level 2 | Asset-backed securities |  |
Assets |  |
Short-term investments | 10,500 |
Fair Value, Measurements, Recurring | Level 2 | Corporate debt securities |  |
Assets |  |
Short-term investments | 2,975 | 4,982
Fair Value, Measurements, Recurring | Level 3 |  |
Assets |  |
Total assets | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Money market funds |  |
Assets |  |
Money market funds | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | U.S. treasury bills |  |
Assets |  |
Money market funds | 0 |
Fair Value, Measurements, Recurring | Level 3 | U.S. treasury securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | U.S. agency securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Commercial paper |  |
Assets |  |
Short-term investments |  | 0
Fair Value, Measurements, Recurring | Level 3 | Asset-backed securities |  |
Assets |  |
Short-term investments | 0 |
Fair Value, Measurements, Recurring | Level 3 | Corporate debt securities |  |
Assets |  |
Short-term investments | $ 0 | $ 0

X
- References No definition available. + Details
Name: | us-gaap_AssetsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount 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 -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_USTreasuryBillSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_CommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |