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Note 6 - Renewable Energy Tax Credit Investment (Details Textual) $ in Millions | Jun. 30, 2023 USD ($)
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Financial Standby Letter of Credit [Member] |
Guarantor Obligations, Maximum Exposure, Undiscounted | $ 2.0
Investment Tax Credit Carryforward [Member] |
Tax Credit, Committed Investment in the Tax Credit Producing Entity | 2.0
Tax Credit, Unfunded Commitment | $ 1.9

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- Definition Represents the Committed Investment in the Tax Credit Producing Entity + References No definition available. + Details
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Namespace Prefix: | fcap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Amount of unfunded commitment for tax credit. + References No definition available. + Details
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Namespace Prefix: | fcap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-4 + Details
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Balance Type: | credit
Period Type: | instant

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- Details
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- Details
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Data Type: | na
Balance Type: |
Period Type: |