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DEFINED CONTRIBUTION PLANS (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Seamless Group Inc [Member]
Defined Contribution Plan, Cost	$ 611,884	$ 440,725

X

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480794/715-70-50-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Details

Name:	dei_LegalEntityAxis=IFIN_SeamlessGroupIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: