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Securities - Proceeds from Sales of Securities, Gross Realized Gains and Losses (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Amortized Cost and Fair Value Debt Securities [Abstract] |  |
Sale proceeds | $ 18,088 us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds | $ 8,686 us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
Gross realized gains | 113 us-gaap_AvailableForSaleSecuritiesGrossRealizedGains | 144 us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
Gross realized losses | (1)us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses | (89)us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses
Gains from securities called or settled by the issuer | $ 1 fcza_GainFromSecuritiesCalledOrSettledByIssuer | $ 149 fcza_GainFromSecuritiesCalledOrSettledByIssuer

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- Details
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- Definition Gain recognized from securities called or settled. + References No definition available. + Details
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- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
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- Definition The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
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Balance Type: | credit
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- Definition This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
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