The amount of mortgage loans serviced for the benefit of others.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the collateral dependent loans value of significant properties.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of loss factor related to financing receivables.

+ References

No definition available.

+ Details

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

- Definition

Amount of increase during the period in of loss factors related to financing receivables.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Financing Receivable, Allowance for Credit Losses, Net Charge Offs

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Represents financing receivable allowance for credit losses risk factor.

+ References

No definition available.

+ Details

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Namespace Prefix:	fcap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio of the appraised value of a property to its mortgage.

+ References

No definition available.

+ Details

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

- Definition

The period of time for loans to be charged off.

+ References

No definition available.

+ Details

Name:	fcap_LoansChargeOffPeriod
Namespace Prefix:	fcap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	fcap_Note4LoansandAllowanceforLoanLossesDetailsLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of loans held by the entity.

+ References

No definition available.

+ Details

Name:	fcap_NumberOfLoans
Namespace Prefix:	fcap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time for the borrower to demonstrate performance.

+ References

No definition available.

+ Details

Name:	fcap_PerformancePeriod
Namespace Prefix:	fcap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Principal charge-offs recorded as TDRs.

+ References

No definition available.

+ Details

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

- Definition

Specific allowance for loan losses related to TDRs modified.

+ References

No definition available.

+ Details

Name:	fcap_TroubledDebtRestructuringsSpecificAllowance
Namespace Prefix:	fcap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings.

+ References

No definition available.

+ Details

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

- Definition

Amount of increase (decrease) of allowance reserve for credit loss.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

The effect of a change in method or methods for calculating the allowance for credit losses on the current period provision.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

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Balance Type:	na
Period Type:	duration

- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 34

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524

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Balance Type:	na
Period Type:	duration

- Definition

Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(e))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Reflects the amount of new advances made to related parties in the form of loan and lease receivables.

+ References

+ Details

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

- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 35

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL49126937-111524

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Balance Type:	debit
Period Type:	instant

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Note 4 - Loans and Allowance for Loan Losses (Details)			3 Months Ended		6 Months Ended		12 Months Ended
Note 4 - Loans and Allowance for Loan Losses (Details)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Loans Charge-off Period					90 days
Financing Receivable, Allowance for Credit Losses, Write-downs			$ 125,000	$ 93,000	$ 1,382,000	$ 226,000	$ 620,000	$ 892,000
Collateral Dependent Loans Value of Significant Properties			200,000		200,000
Mortgage Loans in Process of Foreclosure, Amount			$ 436,000		$ 436,000
Financing Receivable, Allowance for Credit Losses, Loss Factor Increase					0.25%		0.25%
Financing Receivable, Allowance for Credit Losses, Loss Factor	20.00%		20.00%		20.00%		20.00%
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method	$ 1,600,000	$ 1,400,000
Financing Receivable Allowance For Credit Losses Risk Factor	1.18						1.18
Impaired Financing Receivable, Interest Income, Cash Basis Method			$ 0	0	$ 0	$ 0	$ 0	0
Loans and Leases Receivable, Impaired, Commitment to Lend	$ 0	0	$ 0		$ 0		$ 0	$ 0
Financing Receivable, Modifications, Number of Contracts			0		0	3
Troubled Debt Restructurings Principal Charge-offs			$ 0		$ 0
Troubled Debt Restructurings Specific Allowance				$ 0		$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			0	0	0	0	0	0
Recorded investment in loans	306,485,000	294,478,000	$ 303,432,000		$ 303,432,000		$ 306,485,000	$ 294,478,000
Loans and Leases Receivable, Related Parties, Additions							10,612,000
Loans and Leases Receivable, Related Parties	8,654,000	6,549,000					8,654,000	6,549,000
Allowance for Credit Losses, Change in Method of Calculating Impairment	0	0					0	0
Classified Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Allowance for Loan and Lease Losses, Period Increase (Decrease)							664,000	521,000
Bank Overdrafts [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Loans Charge-off Period					45 days
Other Than Consumer Portfolio Segment [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Number of Loans			11		11
Financing Receivable, Allowance for Credit Losses, Write-downs					$ 464,000
Director of the Bank [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Loans and Leases Receivable, Related Parties, Additions							978,000
Loans and Leases Receivable, Related Parties	$ 1,200,000	951,000					1,200,000	951,000
Classified Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Allowance for Loan and Lease Losses, Period Increase (Decrease)					532,000		$ 664,000
Residential Mortgage Segment [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Loan To Value Ratio	90.00%						90.00%
Recorded investment in loans	$ 2,500,000						$ 2,500,000
Amount of Loans Serviced for Others	$ 169,000	$ 200,000					169,000	$ 200,000
Qualitative Factor Past Due Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method					$ 1,400,000		$ 1,600,000
Financing Receivable Allowance For Credit Losses Risk Factor	1.20	1.20					1.20	1.20
Overall Qualitative Factor [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Financing Receivable Allowance For Credit Losses Risk Factor	1.18		1.18		1.18		1.18
Allowance for Loan and Lease Losses, Period Increase (Decrease)					$ 527,000		$ 520,000	$ 471,000
Qualitative Factor Economic Condition [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Financing Receivable Allowance For Credit Losses Risk Factor	1.20						1.20
Qualitative Factor Other Internal And External Factors [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Financing Receivable Allowance For Credit Losses Risk Factor	1.30	1.30					1.30	1.30
Charge-off Treatment [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Financing Receivable, Allowance for Credit Losses, Net Charge Offs							$ 0	$ 0
Minimum [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items]
Performance Period					6 months