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Commitments and Contingencies - Additional Information (Detail) (USD $)	Dec. 31, 2012
Commitments and Contingencies Disclosure [Line Items]
Commitments under outstanding standby letters of credit	$ 781,000

X

- Details

Name:	fcap_CommitmentsAndContingenciesDisclosureLineItems
Namespace Prefix:	fcap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant