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STATUTORY CAPITAL REQUIREMENTS - Narrative (Details) | 6 Months Ended
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Sep. 30, 2025 subsidiary
Kazakhstan |
Restricted Equity [Line Items] |
Number of insurance subsidiaries | 2

X
- Definition Number of Insurance Subsidiaries + References No definition available. + Details
Name: | frhc_NumberOfInsuranceSubsidiaries
Namespace Prefix: | frhc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Restricted Equity [Line Items] + References No definition available. + Details
Name: | frhc_RestrictedEquityLineItems
Namespace Prefix: | frhc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_KZ
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |