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v3.25.4

Commitments and Contingencies (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 CAD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Commitments and Contingencies |  |  |  |
Accrued liability related to exit incentive |  | $ 9,200,000 | $ 7,700,000 | $ 0
Material pending legal proceedings |  | 0 | 0 | $ 0
Maximum |  |  |  |
Commitments and Contingencies |  |  |  |
Maximum credit limit |  | $ 13,700,000 | $ 15,800,000 |
Exit incentive awarded | $ 15,625 |  |  |

X
- Definition Amount of accrued liability related to Canaccede exit incentive payment. + References No definition available. + Details
Name: | jc_AccruedLiabilityRelatedToCanaccedeExitIncentive
Namespace Prefix: | jc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum amount of credit limit that card holders has right to borrow on their credit card accounts. + References No definition available. + Details
Name: | jc_CommitmentsToExtendCreditMaximumCreditLimit
Namespace Prefix: | jc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of exit incentive awarded. + References No definition available. + Details
Name: | jc_ContingentPaymentsExitIncentiveAwardedValue
Namespace Prefix: | jc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of material pending legal proceedings during the year. + References No definition available. + Details
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Namespace Prefix: | jc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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