Note 4 - Loans and Allowance for Loan Losses - Recorded Investments in Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Principal loan balance	$ 506,639	$ 470,418
Accrued interest receivable	1,923	1,632
Net deferred loan origination fees and costs	317	1,137
Recorded investment in loans	508,879	473,187
Commercial Portfolio Segment [Member]
Principal loan balance	82,274	45,307
Accrued interest receivable	378	142
Net deferred loan origination fees and costs	(843)	0
Recorded investment in loans	81,809	45,449
Real Estate Loan [Member] \| Real Estate Mortgage Portfolio Segment [Member]
Principal loan balance	131,217	131,959
Accrued interest receivable	513	462
Net deferred loan origination fees and costs	120	118
Recorded investment in loans	131,850	132,539
Land Loan [Member] \| Real Estate Mortgage Portfolio Segment [Member]
Principal loan balance	17,328	19,185
Accrued interest receivable	116	114
Net deferred loan origination fees and costs	17	15
Recorded investment in loans	17,461	19,314
Construction Loans [Member] \| Real Estate Mortgage Portfolio Segment [Member]
Principal loan balance	24,969	32,559
Accrued interest receivable	61	86
Net deferred loan origination fees and costs	(12)	(1)
Recorded investment in loans	25,018	32,644
Commercial Real Estate Loan [Member] \| Real Estate Mortgage Portfolio Segment [Member]
Principal loan balance	135,114	121,563
Accrued interest receivable	435	312
Net deferred loan origination fees and costs	(65)	(62)
Recorded investment in loans	135,484	121,813
Home Equity and Second Mortgage [Member] \| Consumer Portfolio Segment [Member]
Principal loan balance	52,001	54,677
Accrued interest receivable	176	244
Net deferred loan origination fees and costs	1,100	1,067
Recorded investment in loans	53,277	55,988
Other Consumer Loan [Member] \| Consumer Portfolio Segment [Member]
Principal loan balance	63,736	65,168
Accrued interest receivable	244	272
Net deferred loan origination fees and costs	0	0
Recorded investment in loans	$ 63,980	$ 65,440

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=121593590&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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