2.4.0.6 Html 258 242 1 false 62 0 false 4 false false R1.htm 0001 - Document - Document and Entity Information Sheet http://citynatbank.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 0002 - Statement - Consolidated Balance Sheets Sheet http://citynatbank.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets false false R3.htm 0003 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://citynatbank.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) false false R4.htm 0004 - Statement - Consolidated Statements of Operations Sheet http://citynatbank.com/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations false false R5.htm 0005 - Statement - Consolidated Statements of Comprehensive Income Sheet http://citynatbank.com/role/ConsolidatedStatementsOfComprehensiveIncome Consolidated Statements of Comprehensive Income false false R6.htm 0006 - Statement - Consolidated Statements of Cash Flows Sheet http://citynatbank.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows false false R7.htm 0007 - Disclosure - Principles of consolidation Sheet http://citynatbank.com/role/PrinciplesOfConsolidation Principles of consolidation false false R8.htm 0008 - Disclosure - Basis of presentation Sheet http://citynatbank.com/role/BasisOfPresentation Basis of presentation false false R9.htm 0009 - Disclosure - Going concern/regulatory compliance Sheet http://citynatbank.com/role/GoingConcernregulatoryCompliance Going concern/regulatory compliance false false R10.htm 0010 - Disclosure - Net Loss Per Share Sheet http://citynatbank.com/role/NetLossPerShare Net Loss Per Share false false R11.htm 0011 - Disclosure - Comprehensive income (loss) Sheet http://citynatbank.com/role/ComprehensiveIncomeLoss Comprehensive income (loss) false false R12.htm 0012 - Disclosure - Recent accounting pronouncements Sheet http://citynatbank.com/role/RecentAccountingPronouncements Recent accounting pronouncements false false R13.htm 0013 - Disclosure - Investment securities available for sale Sheet http://citynatbank.com/role/InvestmentSecuritiesAvailableForSale Investment securities available for sale false false R14.htm 0014 - Disclosure - Investment securities held to maturity Sheet http://citynatbank.com/role/InvestmentSecuritiesHeldToMaturity Investment securities held to maturity false false R15.htm 0015 - Disclosure - Loans Sheet http://citynatbank.com/role/Loans Loans false false R16.htm 0016 - Disclosure - Provision and allowance for loan losses Sheet http://citynatbank.com/role/ProvisionAndAllowanceForLoanLosses Provision and allowance for loan losses false false R17.htm 0017 - Disclosure - Long-Term debt Sheet http://citynatbank.com/role/Long-TermDebt Long-Term debt false false R18.htm 0018 - Disclosure - Fair value measurement of assets and liabilities Sheet http://citynatbank.com/role/FairValueMeasurementOfAssetsAndLiabilities Fair value measurement of assets and liabilities false false R19.htm 0019 - Disclosure - Subsequent events Sheet http://citynatbank.com/role/SubsequentEvents Subsequent events false false R20.htm 0020 - Disclosure - Net Loss Per Share (Tables) Sheet http://citynatbank.com/role/NetLossPerShareTables Net Loss Per Share (Tables) false false R21.htm 0021 - Disclosure - Investment securities available for sale (Tables) Sheet http://citynatbank.com/role/InvestmentSecuritiesAvailableForSaleTables Investment securities available for sale (Tables) false false R22.htm 0022 - Disclosure - Loans (Tables) Sheet http://citynatbank.com/role/LoansTables Loans (Tables) false false R23.htm 0023 - Disclosure - Provision and allowance for loan losses (Tables) Sheet http://citynatbank.com/role/ProvisionAndAllowanceForLoanLossesTables Provision and allowance for loan losses (Tables) false false R24.htm 0024 - Disclosure - Fair value measurement of assets and liabilities (Tables) Sheet http://citynatbank.com/role/FairValueMeasurementOfAssetsAndLiabilitiesTables Fair value measurement of assets and liabilities (Tables) false false R25.htm 0025 - Disclosure - Going concern/regulatory compliance (Details Narrative) Sheet http://citynatbank.com/role/GoingConcernregulatoryComplianceDetailsNarrative Going concern/regulatory compliance (Details Narrative) false false R26.htm 0026 - Disclosure - Going concern (Details Narrative) Sheet http://citynatbank.com/role/GoingConcernDetailsNarrative Going concern (Details Narrative) false false R27.htm 0027 - Disclosure - Net Loss Per Share - Net Loss per common share (Details) Sheet http://citynatbank.com/role/NetLossPerShare-NetLossPerCommonShareDetails Net Loss Per Share - Net Loss per common share (Details) false false R28.htm 0028 - Disclosure - Net Loss Per Share (Details Narrative) Sheet http://citynatbank.com/role/NetLossPerShareDetailsNarrative Net Loss Per Share (Details Narrative) false false R29.htm 0029 - Disclosure - Comprehensive income (loss) (Details Narrative) Sheet http://citynatbank.com/role/ComprehensiveIncomeLossDetailsNarrative Comprehensive income (loss) (Details Narrative) false false R30.htm 0030 - Disclosure - Investments Securities #1 - Amortized Costs and Fair Values (Details) Sheet http://citynatbank.com/role/InvestmentsSecurities1-AmortizedCostsAndFairValuesDetails Investments Securities #1 - Amortized Costs and Fair Values (Details) false false R31.htm 0031 - Disclosure - Investments Securities #2 - Contractual Maturity (Details) Sheet http://citynatbank.com/role/InvestmentsSecurities2-ContractualMaturityDetails Investments Securities #2 - Contractual Maturity (Details) false false R32.htm 0032 - Disclosure - Investments Securities #3 - Continuous unrealized losses (Details) Sheet http://citynatbank.com/role/InvestmentsSecurities3-ContinuousUnrealizedLossesDetails Investments Securities #3 - Continuous unrealized losses (Details) false false R33.htm 0033 - Disclosure - Investment securities available for sale - Additional Information about the CDO (Details) Sheet http://citynatbank.com/role/InvestmentSecuritiesAvailableForSale-AdditionalInformationAboutCdoDetails Investment securities available for sale - Additional Information about the CDO (Details) false false R34.htm 0034 - Disclosure - Investment securities available for sale (Details Narrative) Sheet http://citynatbank.com/role/InvestmentSecuritiesAvailableForSaleDetailsNarrative Investment securities available for sale (Details Narrative) false false R35.htm 0035 - Disclosure - Loans #1 - Loans, net of unearned discount and net deferred origination fees and costs (Details) Sheet http://citynatbank.com/role/Loans1-LoansNetOfUnearnedDiscountAndNetDeferredOriginationFeesAndCostsDetails Loans #1 - Loans, net of unearned discount and net deferred origination fees and costs (Details) false false R36.htm 0036 - Disclosure - Loans #2 - Recent analysis performed, risk category of loans by class of loans (Details) Sheet http://citynatbank.com/role/Loans2-RecentAnalysisPerformedRiskCategoryOfLoansByClassOfLoansDetails Loans #2 - Recent analysis performed, risk category of loans by class of loans (Details) false false R37.htm 0037 - Disclosure - Loans #3 Aging of the recorded investment in past due loans (Details) Sheet http://citynatbank.com/role/Loans3AgingOfRecordedInvestmentInPastDueLoansDetails Loans #3 Aging of the recorded investment in past due loans (Details) false false R38.htm 0038 - Disclosure - Loans #4 - Impaired Loans by class of loans (Details) Sheet http://citynatbank.com/role/Loans4-ImpairedLoansByClassOfLoansDetails Loans #4 - Impaired Loans by class of loans (Details) false false R39.htm 0039 - Disclosure - Loans #5 - Nonperforming loans (Details) Sheet http://citynatbank.com/role/Loans5-NonperformingLoansDetails Loans #5 - Nonperforming loans (Details) false false R40.htm 0040 - Disclosure - Loans #6 - Trouble Debt Restructurings (Details) Sheet http://citynatbank.com/role/Loans6-TroubleDebtRestructuringsDetails Loans #6 - Trouble Debt Restructurings (Details) false false R41.htm 0041 - Disclosure - Loans (Details Narrative) Sheet http://citynatbank.com/role/LoansDetailsNarrative Loans (Details Narrative) false false R42.htm 0042 - Disclosure - Loans- additional (Details Narrative) Sheet http://citynatbank.com/role/Loans-AdditionalDetailsNarrative Loans- additional (Details Narrative) false false R43.htm 0043 - Disclosure - Provision and allowance for loan losses #1 - Loan losses by portfolio segment (Details) Sheet http://citynatbank.com/role/ProvisionAndAllowanceForLoanLosses1-LoanLossesByPortfolioSegmentDetails Provision and allowance for loan losses #1 - Loan losses by portfolio segment (Details) false false R44.htm 0044 - Disclosure - Provision and allowance for loan losses #2 - Changes in allowance for loan losses (Details) Sheet http://citynatbank.com/role/ProvisionAndAllowanceForLoanLosses2-ChangesInAllowanceForLoanLossesDetails Provision and allowance for loan losses #2 - Changes in allowance for loan losses (Details) false false R45.htm 0045 - Disclosure - Long-Term debt (Details Narrative) Sheet http://citynatbank.com/role/Long-TermDebtDetailsNarrative Long-Term debt (Details Narrative) false false R46.htm 0046 - Disclosure - Fair value measurement of assets and liabilities - Fair Value Measurements at Reported Date (Details) Sheet http://citynatbank.com/role/FairValueMeasurementOfAssetsAndLiabilities-FairValueMeasurementsAtReportedDateDetails Fair value measurement of assets and liabilities - Fair Value Measurements at Reported Date (Details) false false R47.htm 0047 - Disclosure - Fair value measurement of assets and liabilities - Carrying amount and estimated fair values of financial instruments not measured and not reported at fair value (Details) Sheet http://citynatbank.com/role/FairValueMeasurementOfAssetsAndLiabilities-CarryingAmountAndEstimatedFairValuesOfFinancialInstrumentsNotMeasuredAndNotReportedAtFairValueDetails Fair value measurement of assets and liabilities - Carrying amount and estimated fair values of financial instruments not measured and not reported at fair value (Details) false false All Reports Book All Reports 'Monetary' elements on report '0034 - Disclosure - Investment securities available for sale (Details Narrative)' had a mix of different decimal attribute values. Process Flow-Through: 0002 - Statement - Consolidated Balance Sheets Process Flow-Through: 0003 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: 0004 - Statement - Consolidated Statements of Operations Process Flow-Through: 0005 - Statement - Consolidated Statements of Comprehensive Income Process Flow-Through: 0006 - Statement - Consolidated Statements of Cash Flows cynbp-20120630.xml cynbp-20120630.xsd cynbp-20120630_cal.xml cynbp-20120630_def.xml cynbp-20120630_lab.xml cynbp-20120630_pre.xml true true