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LEASES - Narratives (Details) | 12 Months Ended
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Dec. 31, 2023 lease
Leases [Abstract] |
Number of operating lease agreements (lease) | 4

X
- Definition Lessee, Operating Lease, Number Of Contracts Acquired + References No definition available. + Details
Name: | exfy_LesseeOperatingLeaseNumberOfContractsAcquired
Namespace Prefix: | exfy_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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