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Commitments and Contingencies - Additional Information (Details) - USD ($) | Mar. 19, 2025 | Feb. 17, 2026
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Commitments and Contingencies Disclosure [Abstract] |  |
Litigation settlement amount | $ 39,138 |
Remitted XTEND upfront payment |  | $ 30,223,000

X
- Definition Remitted XTEND upfront payment. + References No definition available. + Details
Name: | jfb_RemittedXTENDUpfrontPayment
Namespace Prefix: | jfb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedToOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration