2.4.0.84094 - Disclosure - Fair Value of Financial Instruments (Details 5)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$D2013Q2_WarrantMemberhttp://www.sec.gov/CIK0000946090duration2013-04-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2012Q2_WarrantMemberhttp://www.sec.gov/CIK0000946090duration2012-04-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$D2013Q2YTD_WarrantMemberhttp://www.sec.gov/CIK0000946090duration2013-01-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$D2012Q2YTD_WarrantMemberhttp://www.sec.gov/CIK0000946090duration2012-01-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 4us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForwardus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Changes in fair value of liabilities measured on recurring basis using significant unobservable inputs (Level 3)2false 2fmar_FairValueAssetsAmountTransfersBetweenMeasurementLevelsfmar_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsetruefalse2truefalsefalse00USD$falsetruefalse3truefalsefalse00USD$falsetruefalse4truefalsefalse00USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of transfer of assets measured on a recurring basis between Level 1, Level 2 and Level 3 of the fair value hierarchy.No definition available.false2Assets transferred between Level 1, Level 2 and Level 33false 2fmar_FairValueLiabilitiesAmountTransfersBetweenMeasurementLevelsfmar_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalse3truefalsefalse00USD$falsefalsefalse4truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of transfer of liabilities measured on a recurring basis between Level 1, Level 2 and Level 3 of the fair value hierarchy.No definition available.false2Liabilities transferred between Level 1, Level 2 and Level 34false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse3false USDtruefalse$D2013Q2_WarrantMemberhttp://www.sec.gov/CIK0000946090duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseWarrantsus-gaap_FairValueByLiabilityClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_WarrantMemberus-gaap_FairValueByLiabilityClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Warrants5true 4us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForwardus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Changes in fair value of liabilities measured on recurring basis using significant unobservable inputs (Level 3)6false 5us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse223000223USD$falsefalsefalse2truefalsefalse119000119USD$falsefalsefalse3truefalsefalse248000248USD$falsefalsefalse4truefalsefalse1800018USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents a liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 false2Balance at beginning of year7false 5us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecreaseus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse427000427USD$falsefalsefalse2truefalsefalse-1000-1USD$falsefalsefalse3truefalsefalse402000402USD$falsefalsefalse4truefalsefalse100000100USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of increase (decrease) of liabilities measured at fair value on a recurring basis using unobservable inputs (level 3) which have taken place during the period. Such increase (decrease) may be comprised of changes in fair value (gains or losses) whether realized or unrealized that have been included in earnings, changed net asset value, or other comprehensive income (a separate component of shareholders' equity); purchases, sales, issues, or settlements of assets; and net transfers in to or out of this category within the fair value hierarchy.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1), c(2), c(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Change in fair value included in additional paid-in capital8false 5us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse650000650USD$falsefalsefalse2truefalsefalse118000118USD$falsefalsefalse3truefalsefalse650000650USD$falsefalsefalse4truefalsefalse118000118USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents a liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 false2Balance at end of year9false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse7false USDtruefalse$D2013Q2_AvailableforsaleSecuritiesMemberhttp://www.sec.gov/CIK0000946090duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseAvailable-for-sale Securitiesus-gaap_FairValueByAssetClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AvailableforsaleSecuritiesMemberus-gaap_FairValueByAssetClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Available-for-sale Securities10true 4us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForwardus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Changes in fair value of assets measured on recurring basis using significant unobservable inputs (Level 3)11false 5us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValueus-gaap_truedebitinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse10040001004USD$falsefalsefalse2truefalsefalse720000720USD$falsefalsefalse3truefalsefalse955000955USD$falsefalsefalse4truefalsefalse682000682USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Balance at beginning of year12false 5us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1us-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-460000-460USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in earnings, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 false2Total realized losses included in other comprehensive income13false 5us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLossus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse187000187USD$falsefalsefalse2truefalsefalse4300043USD$falsefalsefalse3truefalsefalse236000236USD$falsefalsefalse4truefalsefalse541000541USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 false2Total unrealized gains included in accumulated other comprehensive loss14false 5us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValueus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse11910001191USD$falsetruefalse2truefalsefalse763000763USD$falsetruefalse3truefalsefalse11910001191USD$falsetruefalse4truefalsefalse763000763USD$falsetruefalsexbrli:monetaryItemTypemonetaryThis element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -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. false2Balance at end of yearfalseFair Value of Financial Instruments (Details 5) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.1stmarinerbank.com/role/DisclosureFairValueOfFinancialInstrumentsDetails5414