2.4.0.6 Html 243 326 1 false 41 0 false 9 false false R1.htm 00 - Document - Document And Entity Information Sheet http://www.fairmountbank.com/2011-06-30/role/DocumentDocumentAndEntityInformation Document And Entity Information true false R2.htm 0110 - Statement - Consolidated Balance Sheets Sheet http://www.fairmountbank.com/2011-06-30/role/StatementConsolidatedBalanceSheets Consolidated Balance Sheets false false R3.htm 0111 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.fairmountbank.com/2011-06-30/role/StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) false false R4.htm 0120 - Statement - Consolidated Statements of Income (Unaudited) Sheet http://www.fairmountbank.com/2011-06-30/role/StatementConsolidatedStatementsOfIncome Consolidated Statements of Income (Unaudited) false false R5.htm 0130 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.fairmountbank.com/2011-06-30/role/StatementConsolidatedStatementsOfComprehensiveIncome Consolidated Statements of Comprehensive Income false false R6.htm 0131 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) Sheet http://www.fairmountbank.com/2011-06-30/role/StatementConsolidatedStatementsOfComprehensiveIncomeParenthetical Consolidated Statements of Comprehensive Income (Parenthetical) false false R7.htm 0140 - Statement - Consolidated Statements of Changes in Stockholder's Equity (Unaudited) Sheet http://www.fairmountbank.com/2011-06-30/role/StatementConsolidatedStatementsOfChangesInStockholderSEquity Consolidated Statements of Changes in Stockholder's Equity (Unaudited) false false R8.htm 0150 - Statement - Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.fairmountbank.com/2011-06-30/role/StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows (Unaudited) false false R9.htm 0151 - Statement - Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) Sheet http://www.fairmountbank.com/2011-06-30/role/StatementConsolidatedStatementsOfCashFlowsParenthetical Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) false false R10.htm 0201 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies false false R11.htm 0202 - Disclosure - Business Combinations Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureBusinessCombinations Business Combinations false false R12.htm 0203 - Disclosure - Securities Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureSecurities Securities false false R13.htm 0204 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureCreditQualityOfFinancingReceivablesAndAllowanceForLoanLosses Credit Quality of Financing Receivables and the Allowance for Loan Losses false false R14.htm 0205 - Disclosure - Fair Value Measurements Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureFairValueMeasurements Fair Value Measurements false false R15.htm 0206 - Disclosure - Employee Stock Ownership Plan Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureEmployeeStockOwnershipPlan Employee Stock Ownership Plan false false R16.htm 0207 - Disclosure - Recognition and Retention Plan Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureRecognitionAndRetentionPlan Recognition and Retention Plan false false R17.htm 0208 - Disclosure - Stock Option Plan Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureStockOptionPlan Stock Option Plan false false R18.htm 0209 - Disclosure - Subsequent Events Sheet http://www.fairmountbank.com/2011-06-30/role/DisclosureSubsequentEvents Subsequent Events false false R19.htm 0401 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.fairmountbank.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) false false R20.htm 0502 - Disclosure - Business Combinations (Tables) Sheet http://www.fairmountbank.com/role/BusinessCombinationsTables Business Combinations (Tables) false false R21.htm 0503 - Disclosure - Securities (Tables) Sheet http://www.fairmountbank.com/role/SecuritiesTables Securities (Tables) false false R22.htm 0504 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses (Tables) Sheet http://www.fairmountbank.com/role/CreditQualityOfFinancingReceivablesAndAllowanceForLoanLossesTables Credit Quality of Financing Receivables and the Allowance for Loan Losses (Tables) false false R23.htm 0505 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.fairmountbank.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) false false R24.htm 0506 - Disclosure - Employee Stock Ownership Plan (Tables) Sheet http://www.fairmountbank.com/role/EmployeeStockOwnershipPlanTables Employee Stock Ownership Plan (Tables) false false R25.htm 0508 - Disclosure - Stock Option Plan (Tables) Sheet http://www.fairmountbank.com/role/StockOptionPlanTables Stock Option Plan (Tables) false false R26.htm 0601 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://www.fairmountbank.com/role/SummaryOfSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) false false R27.htm 0602 - Disclosure - Business Combinations (Details) Sheet http://www.fairmountbank.com/role/BusinessCombinationsDetails Business Combinations (Details) false false R28.htm 06021 - Disclosure - Business Combinations (Details Textual) Sheet http://www.fairmountbank.com/role/BusinessCombinationsDetailsTextual Business Combinations (Details Textual) false false R29.htm 0603 - Disclosure - Securities (Details) Sheet http://www.fairmountbank.com/role/SecuritiesDetails Securities (Details) false false R30.htm 06031 - Disclosure - Securities (Details 1) Sheet http://www.fairmountbank.com/role/SecuritiesDetails1 Securities (Details 1) false false R31.htm 06032 - Disclosure - Securities (Details Textual) Sheet http://www.fairmountbank.com/role/SecuritiesDetailsTextual Securities (Details Textual) false false R32.htm 0604 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details) Sheet http://www.fairmountbank.com/role/CreditQualityOfFinancingReceivablesAndAllowanceForLoanLossesDetails Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details) false false R33.htm 06041 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 1) Sheet http://www.fairmountbank.com/role/CreditQualityOfFinancingReceivablesAndAllowanceForLoanLossesDetails1 Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 1) false false R34.htm 06042 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 2) Sheet http://www.fairmountbank.com/role/CreditQualityOfFinancingReceivablesAndAllowanceForLoanLossesDetails2 Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 2) false false R35.htm 06043 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 3) Sheet http://www.fairmountbank.com/role/CreditQualityOfFinancingReceivablesAndAllowanceForLoanLossesDetails3 Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 3) false false R36.htm 06044 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 4) Sheet http://www.fairmountbank.com/role/CreditQualityOfFinancingReceivablesAndAllowanceForLoanLossesDetails4 Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 4) false false R37.htm 06045 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 5) Sheet http://www.fairmountbank.com/role/CreditQualityOfFinancingReceivablesAndAllowanceForLoanLossesDetails5 Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details 5) false false R38.htm 06046 - Disclosure - Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details Textual) Sheet http://www.fairmountbank.com/role/CreditQualityOfFinancingReceivablesAndAllowanceForLoanLossesDetailsTextual Credit Quality of Financing Receivables and the Allowance for Loan Losses (Details Textual) false false R39.htm 0605 - Disclosure - Fair Value Measurements (Details) Sheet http://www.fairmountbank.com/role/FairValueMeasurementsDetails Fair Value Measurements (Details) false false R40.htm 06051 - Disclosure - Fair Value Measurements (Details 1) Sheet http://www.fairmountbank.com/role/FairValueMeasurementsDetails1 Fair Value Measurements (Details 1) false false R41.htm 06052 - Disclosure - Fair Value Measurements (Details 2) Sheet http://www.fairmountbank.com/role/FairValueMeasurementsDetails2 Fair Value Measurements (Details 2) false false R42.htm 06053 - Disclosure - Fair Value Measurements (Details 3) Sheet http://www.fairmountbank.com/role/FairValueMeasurementsDetails3 Fair Value Measurements (Details 3) false false R43.htm 06054 - Disclosure - Fair Value Measurements (Details Textual) Sheet http://www.fairmountbank.com/role/FairValueMeasurementsDetailsTextual Fair Value Measurements (Details Textual) false false R44.htm 0606 - Disclosure - Employee Stock Ownership Plan (Details) Sheet http://www.fairmountbank.com/role/EmployeeStockOwnershipPlanDetails Employee Stock Ownership Plan (Details) false false R45.htm 06061 - Disclosure - Employee Stock Ownership Plan (Details Textual) Sheet http://www.fairmountbank.com/role/EmployeeStockOwnershipPlanDetailsTextual Employee Stock Ownership Plan (Details Textual) false false R46.htm 0607 - Disclosure - Recognition And Retention Plan (Details Textual) Sheet http://www.fairmountbank.com/role/RecognitionAndRetentionPlanDetailsTextual Recognition And Retention Plan (Details Textual) false false R47.htm 0608 - Disclosure - Stock Option Plan (Details) Sheet http://www.fairmountbank.com/role/StockOptionPlanDetails Stock Option Plan (Details) false false R48.htm 06081 - Disclosure - Stock Option Plan (Details Textual) Sheet http://www.fairmountbank.com/role/StockOptionPlanDetailsTextual Stock Option Plan (Details Textual) false false All Reports Book All Reports Process Flow-Through: 0110 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Jun. 30, 2011' Process Flow-Through: Removing column 'Sep. 30, 2010' Process Flow-Through: 0111 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: 0120 - Statement - Consolidated Statements of Income (Unaudited) Process Flow-Through: Removing column '1 Months Ended Oct. 31, 2011' Process Flow-Through: 0130 - Statement - Consolidated Statements of Comprehensive Income Process Flow-Through: 0131 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) Process Flow-Through: 0150 - Statement - Consolidated Statements of Cash Flows (Unaudited) Process Flow-Through: 0151 - Statement - Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) fmtb-20120630.xml fmtb-20120630.xsd fmtb-20120630_cal.xml fmtb-20120630_def.xml fmtb-20120630_lab.xml fmtb-20120630_pre.xml true true