XML 53 R37.htm IDEA: XBRL DOCUMENT
v3.25.4

Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Summary Of Significant Accounting Policies [Line Items] |  |  |
Advertising expenses | $ 16.9 | $ 0.0 | $ 0.0
Expected dividend yield | 0.00% | 0.00% | 0.00%
Computer equipment and Software |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, estimated useful life | 3 years |  |
Minimum | Lab equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, estimated useful life | 3 years |  |
Minimum | Office equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, estimated useful life | 3 years |  |
Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Payment terms from invoice date | 2 months |  |
Maximum | Lab equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, estimated useful life | 5 years |  |
Maximum | Office equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, estimated useful life | 5 years |  |

X
- Definition Contract with Customers, Payment Period + References No definition available. + Details
Name: | crnx_ContractWithCustomersPaymentPeriod
Namespace Prefix: | crnx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of significant accounting policies. + References No definition available. + Details
Name: | crnx_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | crnx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483385/720-35-55-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483406/720-35-50-1 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=crnx_ComputerEquipmentAndSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |