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Nature of the Business - Additional Information (Details) ft² in Millions | 3 Months Ended
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Mar. 31, 2026 ft²
Nature of Business [Abstract] |
Minimum offering period of combined generational experience | 100 years
Area of commercial retail and shopping centers | 2

X
- Definition Area of commercial, retail and shopping centers. + References No definition available. + Details
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Namespace Prefix: | jfb_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Minimum offering period of combined generational experience. + References No definition available. + Details
Name: | jfb_MinimumOfferingPeriodOfCombinedGenerationalExperience
Namespace Prefix: | jfb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Nature of business. + References No definition available. + Details
Name: | jfb_NatureOfBusinessAbstract
Namespace Prefix: | jfb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration