2.4.0.84043 - Disclosure - Loans Receivable (Financing Receivables) and Allowance for Loan Losses (Details 4)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$I2013Q2http://www.sec.gov/CIK0000946090instant2013-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$I2012http://www.sec.gov/CIK0000946090instant2012-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$I2012Q2http://www.sec.gov/CIK0000946090instant2012-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false truefalseD2013Q2YTD_SuperiorCreditQualityMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR1us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_SuperiorCreditQualityMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli05false USDtruefalseD2013Q2YTD_HighCreditQualityMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR2us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_HighCreditQualityMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170$6false USDtruefalse$I2012_HighCreditQualityMemberhttp://www.sec.gov/CIK0000946090instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseRR2us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_HighCreditQualityMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7false truefalseD2013Q2YTD_HighCreditQualityMember_ConsumerLoanMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR2us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_HighCreditQualityMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberfalsefalseIndividual creditsfmar_CommercialLoanCategoryAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoanMemberfmar_CommercialLoanCategoryAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli08false truefalseD2013Q2YTD_HighCreditQualityMember_ResidentialMortgageMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR2us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_HighCreditQualityMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberfalsefalsePermanent real estate loans on fully leased propertiesfmar_CommercialLoanCategoryAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialMortgageMemberfmar_CommercialLoanCategoryAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli09false truefalseD2013Q2YTD_AboveAverageCreditQualityMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR3us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_AboveAverageCreditQualityMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli010false truefalseD2013Q2YTD_AboveAverageCreditQualityMember_CommercialConstructionMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR3us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_AboveAverageCreditQualityMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberfalsefalseCommercial construction loanfmar_CommercialLoanCategoryAxisxbrldihttp://xbrl.org/2006/xbrldifmar_CommercialConstructionMemberfmar_CommercialLoanCategoryAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli011false truefalseD2013Q2YTD_AboveAverageCreditQualityMember_ConsumerConstructionMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR3us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_AboveAverageCreditQualityMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberfalsefalseResidential construction loanfmar_CommercialLoanCategoryAxisxbrldihttp://xbrl.org/2006/xbrldifmar_ConsumerConstructionMemberfmar_CommercialLoanCategoryAxisexplicitMemberPureStandardhttp://www.xbrl.org/2003/instancepurexbrli012false truefalseD2013Q2YTD_WatchCreditsMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR6us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_WatchCreditsMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMember13false USDtruefalse$I2013Q2_DoubtfulMemberhttp://www.sec.gov/CIK0000946090instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseRR9us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_DoubtfulMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$14false USDtruefalse$I2012_DoubtfulMemberhttp://www.sec.gov/CIK0000946090instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseRR9us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_DoubtfulMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$15false USDtruefalseD2013Q2YTD_LossMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseRR10us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_LossMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170$16false USDtruefalse$I2012_LossMemberhttp://www.sec.gov/CIK0000946090instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseRR10us-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_LossMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$17false USDtruefalse$I2013Q2_InsufficientInformationToRateMemberhttp://www.sec.gov/CIK0000946090instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseRRXus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_InsufficientInformationToRateMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$18false USDtruefalse$I2012_InsufficientInformationToRateMemberhttp://www.sec.gov/CIK0000946090instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseRRXus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldifmar_InsufficientInformationToRateMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_FinancingReceivableRecordedInvestmentLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Credit quality breakdown of commercial loan portfolio by class2false 4fmar_MaximumAdvancesSecuredPercentagefmar_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4truetruefalse0.950.95falsefalsefalse5truetruefalse0.700.70falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalsenum:percentItemTypepureMaximum advances secured.No definition available.false0Maximum percentage of advances secured3false 4fmar_MaximumLoanToValueRatioForAssessmentOfCreditsfmar_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7truetruefalse0.800.80falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10truetruefalse0.750.75falsefalsefalse11truetruefalse0.700.70falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalsenum:percentItemTypepureMaximum loan-to-value ratio to be maintained for assessment of credits.No definition available.false0Maximum LTV ratio (as a percent)4false 4fmar_MaximumLoanToValueRatioForAssessmentOfCreditsCriteria1fmar_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8truetruefalse0.700.70falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalsenum:percentItemTypepureMaximum loan-to-value ratio for assessment of credits, criteria 1 (represented as a percentage).No definition available.false0Maximum LTV ratio, criteria one (as a percent)5false 4fmar_MaximumLoanToValueRatioForAssessmentOfCreditsCriteria2fmar_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8truetruefalse1.251.25falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalsenum:percentItemTypepureMaximum loan-to-value Ratio for assessment of credits, criteria 2 (represented as a multiplier).No definition available.false0Maximum LTV ratio, criteria two (as a percent)6false 4fmar_MinimumPreLeasingPercentagefmar_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9truetruefalse0.750.75falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalsenum:percentItemTypepureMinimum pre-leasing percentage.No definition available.false0Minimum pre-leasing percentage7false 4fmar_DurationForLiquidationOfCollateralfmar_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse0090 daysfalsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaDuration for liquidation of collateral.No definition available.false0Liquidation period of collateral8false 4fmar_MaximumDurationForRiskRatingfmar_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse006 monthsfalsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaMaximum duration for risk rating.No definition available.false0Maximum period for which the risk rating is used9false 4fmar_DurationForCorrectionAfterTemporarySetbackfmar_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse0012 monthsfalsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaDuration for expected correction of borrower credit circumstance after set-back experience.No definition available.false0Period for which correction is expected after temporary set-back10false 4us-gaap_LoansAndLeasesReceivableNetOfDeferredIncomeus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsepositiveLabel1truefalsefalse582120000582120USD$falsetruefalse2truefalsefalse610396000610396USD$falsetruefalse3truefalsefalse660795000660795USD$falsetruefalse4falsefalsefalse00falsefalsefalse5truefalsefalse00USD$falsetruefalse6truefalsefalse00USD$falsetruefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13truefalsefalse00USD$falsetruefalse14truefalsefalse00USD$falsetruefalse15truefalsefalse00USD$falsetruefalse16truefalsefalse00USD$falsetruefalse17truefalsefalse00USD$falsetruefalse18truefalsefalse00USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph e -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 116 -IssueDate 2006-05-01 -Chapter 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2LoansfalseLoans Receivable (Financing Receivables) and Allowance for Loan Losses (Details 4) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.1stmarinerbank.com/role/DisclosureLoansReceivableFinancingReceivablesAndAllowanceForLoanLossesDetails41810