XML 59 R51.htm IDEA: XBRL DOCUMENT
v3.26.1

Purchase Agreement (Additional Information) (Details) - RTW Purchase Agreement $ in Millions | Feb. 19, 2026 USD ($)
--- | ---
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |
Purchase Agreement, RTW has agreed to pay | $ 100
Royalty payments | $ 250
Annual Net Sales Less Than or Equal to 1 Billion |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |
Royalty percentage on sales | 4.67%
Maximum annual net sales | $ 1,000
Annual Net Sales Exceeds 1 Billion |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |
Royalty percentage on sales | 1.33%
Minimum annual net sales | $ 1,000
Annual Net Sales Do Not Achieve |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |
Royalty percentage on sales | 6.67%

X
- Definition Maximum annual net sales. + References No definition available. + Details
Name: | cadl_MaximumAnnualNetSales
Namespace Prefix: | cadl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Minimum annual net sales. + References No definition available. + Details
Name: | cadl_MinimumAnnualNetSales
Namespace Prefix: | cadl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Purchase agreement agreed to pay. + References No definition available. + Details
Name: | cadl_PurchaseAgreementAgreedToPay
Namespace Prefix: | cadl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Royalty payments. + References No definition available. + Details
Name: | cadl_RoyaltyPayments
Namespace Prefix: | cadl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Royalty percentage on sales. + References No definition available. + Details
Name: | cadl_RoyaltyPercentageOnSales
Namespace Prefix: | cadl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=cadl_RTWPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=cadl_AnnualNetSalesLessThanOrEqualToOneBillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=cadl_AnnualNetSalesExceedsOneBillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=cadl_AnnualNetSalesDoNotAchieveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |