Name:	fcap_AvailableforsaleSecuritiesInUnrealizedLossPositionsDepreciationFromAmortizedCostPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The number of shares held for an investment accounted for under the cost method.

No definition available.

Name:	fcap_CostMethodInvestmentsNumberOfSharesHeld
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Represents the total number of holdings of securities with an aggregate book value greater than 10% of stockholders' equity other than the U.S. Government and its agencies.

No definition available.

Name:	fcap_NumberOfHoldingsOfSecuritiesWithAnAggregateBookValueGreaterThan10OfStockholdersEquity
Namespace Prefix:	fcap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of outstanding shares of voting common stock.

No definition available.

Name:	fcap_PercentageOfOutstandingSharesOfVotingCommonStock
Namespace Prefix:	fcap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The cash inflow associated with the sale of cost method equity investment.

No definition available.

Name:	fcap_ProceedsFromSaleOfCostMethodEquityInvestment
Namespace Prefix:	fcap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562

Name:	us-gaap_AvailableForSaleSecurities
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Name:	us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.

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Data Type:	xbrli:monetaryItemType
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The fair value of available-for-sale securities that serve as collateral for borrowings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Name:	us-gaap_CostMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

For investments in debt and equity securities accounted for at cost, the excess of net sale proceeds over the carrying amount of investments disposed of during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3))
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
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