2.4.0.6 Html 36 178 1 false 6 0 false 3 false false R1.htm 00090 - Document - Document And Entity Information Sheet http://www.fidelitybank-pa.com/role/DocumentDocumentAndEntityInformation Document And Entity Information false false R2.htm 00100 - Statement - Consolidated Statements Of Financial Condition Sheet http://www.fidelitybank-pa.com/role/StatementConsolidatedStatementsOfFinancialCondition Consolidated Statements Of Financial Condition false false R3.htm 00105 - Statement - Consolidated Statements Of Financial Condition (Parenthetical) Sheet http://www.fidelitybank-pa.com/role/StatementConsolidatedStatementsOfFinancialConditionParenthetical Consolidated Statements Of Financial Condition (Parenthetical) false false R4.htm 00200 - Statement - Consolidated Statements Of Income Sheet http://www.fidelitybank-pa.com/role/StatementConsolidatedStatementsOfIncome Consolidated Statements Of Income false false R5.htm 00300 - Statement - Consolidated Statements Of Stockholders' Equity Sheet http://www.fidelitybank-pa.com/role/StatementConsolidatedStatementsOfStockholdersEquity Consolidated Statements Of Stockholders' Equity false false R6.htm 00305 - Statement - Consolidated Statements Of Stockholders' Equity (Parenthetical) Sheet http://www.fidelitybank-pa.com/role/StatementConsolidatedStatementsOfStockholdersEquityParenthetical Consolidated Statements Of Stockholders' Equity (Parenthetical) false false R7.htm 00400 - Statement - Consolidated Statements Of Cash Flows Sheet http://www.fidelitybank-pa.com/role/StatementConsolidatedStatementsOfCashFlows Consolidated Statements Of Cash Flows false false R8.htm 10101 - Disclosure - Significant Accounting Policies Sheet http://www.fidelitybank-pa.com/role/DisclosureSignificantAccountingPolicies Significant Accounting Policies false false R9.htm 10201 - Disclosure - Securities Sheet http://www.fidelitybank-pa.com/role/DisclosureSecurities Securities false false R10.htm 10301 - Disclosure - Loans Receivable And Related Allowance For Loan Losses Sheet http://www.fidelitybank-pa.com/role/DisclosureLoansReceivableAndRelatedAllowanceForLoanLosses Loans Receivable And Related Allowance For Loan Losses false false R11.htm 10401 - Disclosure - Office Premises And Equipment Sheet http://www.fidelitybank-pa.com/role/DisclosureOfficePremisesAndEquipment Office Premises And Equipment false false R12.htm 10501 - Disclosure - Deposits Sheet http://www.fidelitybank-pa.com/role/DisclosureDeposits Deposits false false R13.htm 10601 - Disclosure - Borrowings Sheet http://www.fidelitybank-pa.com/role/DisclosureBorrowings Borrowings false false R14.htm 10701 - Disclosure - Subordinated Debt Sheet http://www.fidelitybank-pa.com/role/DisclosureSubordinatedDebt Subordinated Debt false false R15.htm 10801 - Disclosure - Securities Sold Under Agreements To Repurchase Sheet http://www.fidelitybank-pa.com/role/DisclosureSecuritiesSoldUnderAgreementsToRepurchase Securities Sold Under Agreements To Repurchase true false R16.htm 10901 - Disclosure - Financial Instruments With Off-Balance Sheet Risk Sheet http://www.fidelitybank-pa.com/role/DisclosureFinancialInstrumentsWithOffBalanceSheetRisk Financial Instruments With Off-Balance Sheet Risk false false R17.htm 11001 - Disclosure - Income Taxes Sheet http://www.fidelitybank-pa.com/role/DisclosureIncomeTaxes Income Taxes false false R18.htm 11101 - Disclosure - Stockholders' Equity Sheet http://www.fidelitybank-pa.com/role/DisclosureStockholdersEquity Stockholders' Equity false false R19.htm 11201 - Disclosure - TARP Capital Purchase Program Sheet http://www.fidelitybank-pa.com/role/DisclosureTarpCapitalPurchaseProgram TARP Capital Purchase Program false false R20.htm 11301 - Disclosure - Stock Option Plans Sheet http://www.fidelitybank-pa.com/role/DisclosureStockOptionPlans Stock Option Plans false false R21.htm 11401 - Disclosure - Employee Benefit Plans Sheet http://www.fidelitybank-pa.com/role/DisclosureEmployeeBenefitPlans Employee Benefit Plans false false R22.htm 11501 - Disclosure - Disclosures About Fair Value Measurements Sheet http://www.fidelitybank-pa.com/role/DisclosureDisclosuresAboutFairValueMeasurements Disclosures About Fair Value Measurements false false R23.htm 11601 - Disclosure - Disclosures About Fair Value Of Financial Instruments Sheet http://www.fidelitybank-pa.com/role/DisclosureDisclosuresAboutFairValueOfFinancialInstruments Disclosures About Fair Value Of Financial Instruments false false R24.htm 11701 - Disclosure - Contingent Liabilities Sheet http://www.fidelitybank-pa.com/role/DisclosureContingentLiabilities Contingent Liabilities false false R25.htm 11801 - Disclosure - Derivative Instruments Sheet http://www.fidelitybank-pa.com/role/DisclosureDerivativeInstruments Derivative Instruments false false R26.htm 11901 - Disclosure - Federal Home Loan Bank ( "FHLB" ) Stock Dividends Sheet http://www.fidelitybank-pa.com/role/DisclosureFederalHomeLoanBankfhlbStockDividends Federal Home Loan Bank ( "FHLB" ) Stock Dividends false false R27.htm 12001 - Disclosure - Fidelity Bancorp, Inc. Financial Information (Parent Company Only) Sheet http://www.fidelitybank-pa.com/role/DisclosureFidelityBancorpIncFinancialInformationParentCompanyOnly Fidelity Bancorp, Inc. Financial Information (Parent Company Only) false false All Reports Book All Reports Process Flow-Through: 00100 - Statement - Consolidated Statements Of Financial Condition Process Flow-Through: Removing column 'Sep. 30, 2009' Process Flow-Through: 00105 - Statement - Consolidated Statements Of Financial Condition (Parenthetical) Process Flow-Through: 00200 - Statement - Consolidated Statements Of Income Process Flow-Through: 00305 - Statement - Consolidated Statements Of Stockholders' Equity (Parenthetical) Process Flow-Through: 00400 - Statement - Consolidated Statements Of Cash Flows fsbi-20110930.xml fsbi-20110930.xsd fsbi-20110930_cal.xml fsbi-20110930_def.xml fsbi-20110930_lab.xml fsbi-20110930_pre.xml true true