Note 4 - Loans and Allowance for Loan Losses - Recorded Investments in Loans (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Real Estate Mortgage Portfolio Segment [Member] \| Real Estate Loan [Member] \| Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans	$ 377,000	$ 884,000
Real Estate Mortgage Portfolio Segment [Member] \| Real Estate Loan [Member]
Principal loan balance	133,929,000	147,933,000
Accrued interest receivable	440,000	584,000
Net deferred loan origination fees and costs	73,000	58,000
Recorded investment in loans	134,442,000	148,575,000
Individually evaluated for impairment	2,034,000	1,996,000
Collectively evaluated for impairment	132,031,000	145,695,000
Real Estate Mortgage Portfolio Segment [Member] \| Land Loan [Member] \| Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans	0	0
Real Estate Mortgage Portfolio Segment [Member] \| Land Loan [Member]
Principal loan balance	13,195,000	12,962,000
Accrued interest receivable	56,000	70,000
Net deferred loan origination fees and costs	13,000	6,000
Recorded investment in loans	13,264,000	13,038,000
Individually evaluated for impairment	0	24,000
Collectively evaluated for impairment	13,264,000	13,014,000
Real Estate Mortgage Portfolio Segment [Member] \| Construction Loans [Member] \| Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans	0	0
Real Estate Mortgage Portfolio Segment [Member] \| Construction Loans [Member]
Principal loan balance	15,325,000	12,555,000
Accrued interest receivable	37,000	61,000
Net deferred loan origination fees and costs	0	0
Recorded investment in loans	15,362,000	12,616,000
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	15,362,000	12,616,000
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Loan [Member] \| Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans	249,000	466,000
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Loan [Member]
Principal loan balance	93,798,000	84,493,000
Accrued interest receivable	263,000	281,000
Net deferred loan origination fees and costs	(44,000)	(46,000)
Recorded investment in loans	94,017,000	84,728,000
Individually evaluated for impairment	2,983,000	3,623,000
Collectively evaluated for impairment	90,785,000	80,639,000
Commercial Portfolio Segment [Member] \| Home Equity and Second Mortgage [Member]
Net deferred loan origination fees and costs	720,000
Commercial Portfolio Segment [Member] \| Other Consumer Loan [Member]
Net deferred loan origination fees and costs	0
Commercial Portfolio Segment [Member] \| Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans	0	0
Commercial Portfolio Segment [Member]
Principal loan balance	22,888,000	23,095,000
Accrued interest receivable	59,000	64,000
Net deferred loan origination fees and costs	1,000
Recorded investment in loans	22,948,000	23,153,000
Individually evaluated for impairment	61,000	167,000
Collectively evaluated for impairment	22,887,000	22,986,000
Consumer Portfolio Segment [Member] \| Home Equity and Second Mortgage [Member] \| Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans	0	0
Consumer Portfolio Segment [Member] \| Home Equity and Second Mortgage [Member]
Principal loan balance	42,093,000	38,476,000
Accrued interest receivable	135,000	130,000
Net deferred loan origination fees and costs		571,000
Recorded investment in loans	42,948,000	39,177,000
Individually evaluated for impairment	62,000	136,000
Collectively evaluated for impairment	42,886,000	39,041,000
Consumer Portfolio Segment [Member] \| Other Consumer Loan [Member] \| Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans	0	0
Consumer Portfolio Segment [Member] \| Other Consumer Loan [Member]
Principal loan balance	47,696,000	42,484,000
Accrued interest receivable	189,000	171,000
Net deferred loan origination fees and costs		0
Recorded investment in loans	47,885,000	42,655,000
Individually evaluated for impairment	30,000	0
Collectively evaluated for impairment	47,855,000	42,655,000
Consumer Portfolio Segment [Member]
Net deferred loan origination fees and costs		(6,000)
Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans	626,000	1,350,000
Principal loan balance	368,924,000	361,998,000
Accrued interest receivable	1,179,000	1,361,000
Net deferred loan origination fees and costs	763,000	583,000
Recorded investment in loans	370,866,000	363,942,000
Individually evaluated for impairment	5,170,000	5,946,000
Collectively evaluated for impairment	$ 365,070,000	$ 356,646,000

Represents loans and leases receivable accrued interest.

No definition available.

Name:	fcap_LoansAndLeasesReceivableAccruedInterest
Namespace Prefix:	fcap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the loans and leases receivable principal balance.

+ References

No definition available.

+ Details

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Namespace Prefix:	fcap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ 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 (h)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

+ Details

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

- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

+ Details

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

- 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=65884687&loc=d3e4428-111522

+ Details

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

- Definition

Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for 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 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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