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MARGIN LENDING AND TRADE PAYABLES - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Accounts Payable [Abstract]
Margin loans, fair value of collateral	$ 1,660,840	$ 2,400,361

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- Definition

Margin Loans, Fair Value Of Collateral

+ References

No definition available.

+ Details

Name:	frhc_MarginLoansFairValueOfCollateral
Namespace Prefix:	frhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- References

No definition available.

+ Details

Name:	us-gaap_AccountsPayableCurrentAndNoncurrentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration