Note 4 - Loans and Allowance for Loan Losses - Recorded Investments in Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Principal loan balance	$ 437,230	$ 412,211
Accrued interest receivable	1,530	1,365
Deferred loan origination fees and costs, net	1,095	1,041
Recorded investment in loans	439,855	414,617
Real Estate Mortgage Portfolio Segment [Member] \| Real Estate Loan [Member]
Principal loan balance	136,445	136,399
Accrued interest receivable	475	474
Deferred loan origination fees and costs, net	99	87
Recorded investment in loans	137,019	136,960
Real Estate Mortgage Portfolio Segment [Member] \| Land Loan [Member]
Principal loan balance	22,607	18,198
Accrued interest receivable	119	94
Deferred loan origination fees and costs, net	18	17
Recorded investment in loans	22,744	18,309
Real Estate Mortgage Portfolio Segment [Member] \| Construction Loans [Member]
Principal loan balance	25,375	20,995
Accrued interest receivable	76	49
Deferred loan origination fees and costs, net	(9)	(10)
Recorded investment in loans	25,442	21,034
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Loan [Member]
Principal loan balance	107,445	100,133
Accrued interest receivable	265	249
Deferred loan origination fees and costs, net	(38)	(42)
Recorded investment in loans	107,672	100,340
Commercial Portfolio Segment [Member]
Principal loan balance	36,297	34,114
Accrued interest receivable	120	87
Deferred loan origination fees and costs, net		2
Recorded investment in loans	36,417	34,203
Consumer Portfolio Segment [Member] \| Home Equity and Second Mortgage [Member]
Principal loan balance	51,731	49,802
Accrued interest receivable	247	189
Deferred loan origination fees and costs, net	1,025	987
Recorded investment in loans	53,003	50,978
Consumer Portfolio Segment [Member] \| Other Consumer Loan [Member]
Principal loan balance	57,330	52,570
Accrued interest receivable	228	223
Deferred loan origination fees and costs, net
Recorded investment in loans	$ 57,558	$ 52,793

Represents loans and leases receivable accrued interest.

No definition available.

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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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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

+ Details

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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://fasb.org/us-gaap/role/ref/legacyRef
-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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