2.4.0.84045 - Disclosure - LOANS AND ALLOWANCE (Details 6)truefalsefalse1false USDfalsefalse$I2013Q2http://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$I2012http://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDtruefalse$I2013Q2_PassMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDtruefalse$I2012_PassMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false USDtruefalse$I2013Q2_SpecialMentionMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$6false USDtruefalse$I2012_SpecialMentionMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7false USDtruefalse$I2013Q2_SubstandardMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8false USDtruefalse$I2012_SubstandardMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9false USDtruefalse$I2013Q2_NonAccrualMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$10false USDtruefalse$I2012_NonAccrualMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$11false USDtruefalse$I2013Q1_MinimumMemberhttp://www.sec.gov/CIK0000720002instant2013-03-31T00:00:000001-01-01T00:00:00falsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$12false truefalseD2013Q2YTD_MinimumMember_SubstandardMemberhttp://www.sec.gov/CIK0000720002duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMember13false truefalseD2013Q2YTD_MinimumMember_NonAccrualMemberhttp://www.sec.gov/CIK0000720002duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMember14false truefalseD2013Q2YTD_MinimumMember_WatchMemberhttp://www.sec.gov/CIK0000720002duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberfalsefalseWatchus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_WatchMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMember15false truefalseD2013Q2YTD_MinimumMember_LossMemberhttp://www.sec.gov/CIK0000720002duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberfalsefalseLossus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_LossMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMember16false truefalseD2013Q2YTD_MaximumMember_WatchMemberhttp://www.sec.gov/CIK0000720002duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseMaximumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMemberfalsefalseWatchus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_WatchMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMember17false truefalseD2013Q2YTD_ConsumerLoansNotSecuredByResidentialRealEstateMember_MinimumMember_SubstandardMemberhttp://www.sec.gov/CIK0000720002duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseConsumer loans not secured by 1-4 family residential real estateus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConsumerLoansNotSecuredByResidentialRealEstateMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMember18false truefalseD2013Q2YTD_ConsumerLoansNotSecuredByResidentialRealEstateMember_MaximumMember_SubstandardMemberhttp://www.sec.gov/CIK0000720002duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseConsumer loans not secured by 1-4 family residential real estateus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConsumerLoansNotSecuredByResidentialRealEstateMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseMaximumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMember19false USDtruefalse$I2013Q2_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$20false USDtruefalse$I2012_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$21false USDtruefalse$I2013Q2_CommercialAndIndustrialLoanMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$22false USDtruefalse$I2012_CommercialAndIndustrialLoanMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$23false USDtruefalse$I2013Q2_CommercialAndIndustrialLoanMember_PassMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$24false USDtruefalse$I2012_CommercialAndIndustrialLoanMember_PassMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$25false USDtruefalse$I2013Q2_CommercialAndIndustrialLoanMember_SpecialMentionMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$26false USDtruefalse$I2012_CommercialAndIndustrialLoanMember_SpecialMentionMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$27false USDtruefalse$I2013Q2_CommercialAndIndustrialLoanMember_SubstandardMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$28false USDtruefalse$I2012_CommercialAndIndustrialLoanMember_SubstandardMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$29false USDtruefalse$I2013Q2_CommercialAndIndustrialLoanMember_NonAccrualMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$30false USDtruefalse$I2012_CommercialAndIndustrialLoanMember_NonAccrualMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseCommercial and industrialus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_CommercialAndIndustrialLoanMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$31false USDtruefalse$I2013Q2_AgriculturalMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseAgriculturalus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_AgriculturalMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$32false USDtruefalse$I2012_AgriculturalMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseAgriculturalus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_AgriculturalMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$33false USDtruefalse$I2013Q2_AgriculturalMember_PassMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseAgriculturalus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_AgriculturalMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$34false USDtruefalse$I2012_AgriculturalMember_PassMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseAgriculturalus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_AgriculturalMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$35false USDtruefalse$I2013Q2_AgriculturalMember_SubstandardMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseAgriculturalus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_AgriculturalMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$36false USDtruefalse$I2012_AgriculturalMember_SubstandardMember_CommercialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseAgriculturalus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_AgriculturalMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$37false USDtruefalse$I2013Q2_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$38false USDtruefalse$I2012_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$39false USDtruefalse$I2013Q2_FarmReceivableMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$40false USDtruefalse$I2012_FarmReceivableMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$41false USDtruefalse$I2013Q2_FarmReceivableMember_PassMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$42false USDtruefalse$I2012_FarmReceivableMember_PassMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$43false USDtruefalse$I2013Q2_FarmReceivableMember_SpecialMentionMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$44false USDtruefalse$I2012_FarmReceivableMember_SpecialMentionMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$45false USDtruefalse$I2012_FarmReceivableMember_SubstandardMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$46false USDtruefalse$I2013Q2_FarmReceivableMember_NonAccrualMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$47false USDtruefalse$I2012_FarmReceivableMember_NonAccrualMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseFarmus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_FarmReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$48false USDtruefalse$I2013Q2_HotelReceivableMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHotelus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_HotelReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$49false USDtruefalse$I2012_HotelReceivableMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHotelus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_HotelReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$50false USDtruefalse$I2013Q2_HotelReceivableMember_PassMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHotelus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_HotelReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$51false USDtruefalse$I2012_HotelReceivableMember_PassMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHotelus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_HotelReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$52false USDtruefalse$I2013Q2_HotelReceivableMember_SpecialMentionMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHotelus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_HotelReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$53false USDtruefalse$I2012_HotelReceivableMember_SpecialMentionMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHotelus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_HotelReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$54false USDtruefalse$I2013Q2_ConstructionAndDevelopmentReceivableMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$55false USDtruefalse$I2012_ConstructionAndDevelopmentReceivableMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$56false USDtruefalse$I2013Q2_ConstructionAndDevelopmentReceivableMember_PassMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$57false USDtruefalse$I2012_ConstructionAndDevelopmentReceivableMember_PassMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$58false USDtruefalse$I2013Q2_ConstructionAndDevelopmentReceivableMember_SpecialMentionMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$59false USDtruefalse$I2012_ConstructionAndDevelopmentReceivableMember_SpecialMentionMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$60false USDtruefalse$I2013Q2_ConstructionAndDevelopmentReceivableMember_SubstandardMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$61false USDtruefalse$I2012_ConstructionAndDevelopmentReceivableMember_SubstandardMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$62false USDtruefalse$I2013Q2_ConstructionAndDevelopmentReceivableMember_NonAccrualMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$63false USDtruefalse$I2012_ConstructionAndDevelopmentReceivableMember_NonAccrualMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseConstruction and developmentus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_ConstructionAndDevelopmentReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$64false USDtruefalse$I2013Q2_OtherReceivableMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$65false USDtruefalse$I2012_OtherReceivableMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$66false USDtruefalse$I2013Q2_OtherReceivableMember_PassMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$67false USDtruefalse$I2012_OtherReceivableMember_PassMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePassus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PassMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$68false USDtruefalse$I2013Q2_OtherReceivableMember_SpecialMentionMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$69false USDtruefalse$I2012_OtherReceivableMember_SpecialMentionMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSpecial Mentionus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SpecialMentionMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$70false USDtruefalse$I2013Q2_OtherReceivableMember_SubstandardMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$71false USDtruefalse$I2012_OtherReceivableMember_SubstandardMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$72false USDtruefalse$I2013Q2_OtherReceivableMember_NonAccrualMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$73false USDtruefalse$I2012_OtherReceivableMember_NonAccrualMember_CommercialRealEstatePortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estateus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstatePortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseOtherus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_OtherReceivableMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseNon-accrualus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_NonAccrualMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$74false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$75false USDtruefalse$I2012_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$76false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_SubstandardMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$77false USDtruefalse$I2012_SubstandardMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$78false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_PerformingFinancingReceivableMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$79false USDtruefalse$I2012_PerformingFinancingReceivableMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$80false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_WatchMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseWatchus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_WatchMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$81false USDtruefalse$I2012_WatchMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseWatchus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_WatchMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$82false USDtruefalse$I2013Q2_Family1To4Member_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalse1-4 Familyus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_Family1To4Memberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$83false USDtruefalse$I2012_Family1To4Member_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalse1-4 Familyus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_Family1To4Memberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$84false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_Family1To4Member_SubstandardMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalse1-4 Familyus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_Family1To4Memberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$85false USDtruefalse$I2012_Family1To4Member_SubstandardMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalse1-4 Familyus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_Family1To4Memberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$86false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_Family1To4Member_PerformingFinancingReceivableMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalse1-4 Familyus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_Family1To4Memberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$87false USDtruefalse$I2012_Family1To4Member_PerformingFinancingReceivableMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalse1-4 Familyus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_Family1To4Memberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$88false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_Family1To4Member_WatchMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalse1-4 Familyus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_Family1To4Memberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseWatchus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_WatchMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$89false USDtruefalse$I2012_Family1To4Member_WatchMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalse1-4 Familyus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_Family1To4Memberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseWatchus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_WatchMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$90false USDtruefalse$I2013Q2_HomeEquityMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHome equityus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$91false USDtruefalse$I2012_HomeEquityMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHome equityus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$92false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_HomeEquityMember_SubstandardMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHome equityus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$93false USDtruefalse$I2012_HomeEquityMember_SubstandardMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHome equityus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$94false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_HomeEquityMember_PerformingFinancingReceivableMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHome equityus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$95false USDtruefalse$I2012_HomeEquityMember_PerformingFinancingReceivableMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHome equityus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$96false USDtruefalse$I2013Q2_ResidentialPortfolioSegmentMember_HomeEquityMember_WatchMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHome equityus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseWatchus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_WatchMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$97false USDtruefalse$I2012_HomeEquityMember_WatchMember_ResidentialPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseResidentialus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseHome equityus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseWatchus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_WatchMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$98false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$99false USDtruefalse$I2012_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$100false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMember_SubstandardMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$101false USDtruefalse$I2012_SubstandardMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$102false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMember_PerformingFinancingReceivableMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$103false USDtruefalse$I2012_PerformingFinancingReceivableMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$104false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMember_LossMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseLossus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_LossMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$105false USDtruefalse$I2012_LossMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseLossus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_LossMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$106false USDtruefalse$I2013Q2_DirectMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseDirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_DirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$107false USDtruefalse$I2012_DirectMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseDirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_DirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$108false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMember_DirectMember_SubstandardMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseDirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_DirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$109false USDtruefalse$I2012_DirectMember_SubstandardMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseDirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_DirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$110false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMember_DirectMember_PerformingFinancingReceivableMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseDirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_DirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$111false USDtruefalse$I2012_DirectMember_PerformingFinancingReceivableMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseDirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_DirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$112false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMember_DirectMember_LossMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseDirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_DirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseLossus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_LossMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$113false USDtruefalse$I2012_DirectMember_LossMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseDirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_DirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseLossus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_LossMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$114false USDtruefalse$I2013Q2_IndirectMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseIndirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_IndirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$115false USDtruefalse$I2012_IndirectMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseIndirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_IndirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$116false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMember_IndirectMember_SubstandardMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseIndirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_IndirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$117false USDtruefalse$I2012_IndirectMember_SubstandardMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseIndirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_IndirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseSubstandardus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubstandardMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$118false USDtruefalse$I2013Q2_ConsumerPortfolioSegmentMember_IndirectMember_PerformingFinancingReceivableMemberhttp://www.sec.gov/CIK0000720002instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseIndirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_IndirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$119false USDtruefalse$I2012_IndirectMember_PerformingFinancingReceivableMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseIndirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_IndirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalsePerformingus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PerformingFinancingReceivableMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$120false USDtruefalse$I2012_IndirectMember_LossMember_ConsumerPortfolioSegmentMemberhttp://www.sec.gov/CIK0000720002instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseConsumerus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerPortfolioSegmentMemberus-gaap_FinancingReceivableInformationByPortfolioSegmentAxisexplicitMemberfalsefalseIndirectus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_IndirectMemberus-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxisexplicitMemberfalsefalseLossus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisxbrldihttp://xbrl.org/2006/xbrldimsfg_LossMemberus-gaap_FinancingReceivableInformationByCreditQualityIndicatorAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_FinancingReceivableRecordedInvestmentLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalse62falsefalsefalse00falsefalsefalse63falsefalsefalse00falsefalsefalse64falsefalsefalse00falsefalsefalse65falsefalsefalse00falsefalsefalse66falsefalsefalse00falsefalsefalse67falsefalsefalse00falsefalsefalse68falsefalsefalse00falsefalsefalse69falsefalsefalse00falsefalsefalse70falsefalsefalse00falsefalsefalse71falsefalsefalse00falsefalsefalse72falsefalsefalse00falsefalsefalse73falsefalsefalse00falsefalsefalse74falsefalsefalse00falsefalsefalse75falsefalsefalse00falsefalsefalse76falsefalsefalse00falsefalsefalse77falsefalsefalse00falsefalsefalse78falsefalsefalse00falsefalsefalse79falsefalsefalse00falsefalsefalse80falsefalsefalse00falsefalsefalse81falsefalsefalse00falsefalsefalse82falsefalsefalse00falsefalsefalse83falsefalsefalse00falsefalsefalse84falsefalsefalse00falsefalsefalse85falsefalsefalse00falsefalsefalse86falsefalsefalse00falsefalsefalse87falsefalsefalse00falsefalsefalse88falsefalsefalse00falsefalsefalse89falsefalsefalse00falsefalsefalse90falsefalsefalse00falsefalsefalse91falsefalsefalse00falsefalsefalse92falsefalsefalse00falsefalsefalse93falsefalsefalse00falsefalsefalse94falsefalsefalse00falsefalsefalse95falsefalsefalse00falsefalsefalse96falsefalsefalse00falsefalsefalse97falsefalsefalse00falsefalsefalse98falsefalsefalse00falsefalsefalse99falsefalsefalse00falsefalsefalse100falsefalsefalse00falsefalsefalse101falsefalsefalse00falsefalsefalse102falsefalsefalse00falsefalsefalse103falsefalsefalse00falsefalsefalse104falsefalsefalse00falsefalsefalse105falsefalsefalse00falsefalsefalse106falsefalsefalse00falsefalsefalse107falsefalsefalse00falsefalsefalse108falsefalsefalse00falsefalsefalse109falsefalsefalse00falsefalsefalse110falsefalsefalse00falsefalsefalse111falsefalsefalse00falsefalsefalse112falsefalsefalse00falsefalsefalse113falsefalsefalse00falsefalsefalse114falsefalsefalse00falsefalsefalse115falsefalsefalse00falsefalsefalse116falsefalsefalse00falsefalsefalse117falsefalsefalse00falsefalsefalse118falsefalsefalse00falsefalsefalse119falsefalsefalse00falsefalsefalse120falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk category of loans2false 4msfg_FinancingReceivableCreditQualityRelationshipsIndicatorOutstandingBalancemsfg_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11truefalsefalse10000001000000USD$falsetruefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalse62falsefalsefalse00falsefalsefalse63falsefalsefalse00falsefalsefalse64falsefalsefalse00falsefalsefalse65falsefalsefalse00falsefalsefalse66falsefalsefalse00falsefalsefalse67falsefalsefalse00falsefalsefalse68falsefalsefalse00falsefalsefalse69falsefalsefalse00falsefalsefalse70falsefalsefalse00falsefalsefalse71falsefalsefalse00falsefalsefalse72falsefalsefalse00falsefalsefalse73falsefalsefalse00falsefalsefalse74falsefalsefalse00falsefalsefalse75falsefalsefalse00falsefalsefalse76falsefalsefalse00falsefalsefalse77falsefalsefalse00falsefalsefalse78falsefalsefalse00falsefalsefalse79falsefalsefalse00falsefalsefalse80falsefalsefalse00falsefalsefalse81falsefalsefalse00falsefalsefalse82falsefalsefalse00falsefalsefalse83falsefalsefalse00falsefalsefalse84falsefalsefalse00falsefalsefalse85falsefalsefalse00falsefalsefalse86falsefalsefalse00falsefalsefalse87falsefalsefalse00falsefalsefalse88falsefalsefalse00falsefalsefalse89falsefalsefalse00falsefalsefalse90falsefalsefalse00falsefalsefalse91falsefalsefalse00falsefalsefalse92falsefalsefalse00falsefalsefalse93falsefalsefalse00falsefalsefalse94falsefalsefalse00falsefalsefalse95falsefalsefalse00falsefalsefalse96falsefalsefalse00falsefalsefalse97falsefalsefalse00falsefalsefalse98falsefalsefalse00falsefalsefalse99falsefalsefalse00falsefalsefalse100falsefalsefalse00falsefalsefalse101falsefalsefalse00falsefalsefalse102falsefalsefalse00falsefalsefalse103falsefalsefalse00falsefalsefalse104falsefalsefalse00falsefalsefalse105falsefalsefalse00falsefalsefalse106falsefalsefalse00falsefalsefalse107falsefalsefalse00falsefalsefalse108falsefalsefalse00falsefalsefalse109falsefalsefalse00falsefalsefalse110falsefalsefalse00falsefalsefalse111falsefalsefalse00falsefalsefalse112falsefalsefalse00falsefalsefalse113falsefalsefalse00falsefalsefalse114falsefalsefalse00falsefalsefalse115falsefalsefalse00falsefalsefalse116falsefalsefalse00falsefalsefalse117falsefalsefalse00falsefalsefalse118falsefalsefalse00falsefalsefalse119falsefalsefalse00falsefalsefalse120falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents the amount of outstanding balance with credit relationships in the credit risk analysis.No definition available.false2Credit relationships with an outstanding balance3false 4msfg_FinancingReceivablePrincipalAndInterestPeriodOfDefaultmsfg_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse0090 daysfalsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalse62falsefalsefalse00falsefalsefalse63falsefalsefalse00falsefalsefalse64falsefalsefalse00falsefalsefalse65falsefalsefalse00falsefalsefalse66falsefalsefalse00falsefalsefalse67falsefalsefalse00falsefalsefalse68falsefalsefalse00falsefalsefalse69falsefalsefalse00falsefalsefalse70falsefalsefalse00falsefalsefalse71falsefalsefalse00falsefalsefalse72falsefalsefalse00falsefalsefalse73falsefalsefalse00falsefalsefalse74falsefalsefalse00falsefalsefalse75falsefalsefalse00falsefalsefalse76falsefalsefalse00falsefalsefalse77falsefalsefalse00falsefalsefalse78falsefalsefalse00falsefalsefalse79falsefalsefalse00falsefalsefalse80falsefalsefalse00falsefalsefalse81falsefalsefalse00falsefalsefalse82falsefalsefalse00falsefalsefalse83falsefalsefalse00falsefalsefalse84falsefalsefalse00falsefalsefalse85falsefalsefalse00falsefalsefalse86falsefalsefalse00falsefalsefalse87falsefalsefalse00falsefalsefalse88falsefalsefalse00falsefalsefalse89falsefalsefalse00falsefalsefalse90falsefalsefalse00falsefalsefalse91falsefalsefalse00falsefalsefalse92falsefalsefalse00falsefalsefalse93falsefalsefalse00falsefalsefalse94falsefalsefalse00falsefalsefalse95falsefalsefalse00falsefalsefalse96falsefalsefalse00falsefalsefalse97falsefalsefalse00falsefalsefalse98falsefalsefalse00falsefalsefalse99falsefalsefalse00falsefalsefalse100falsefalsefalse00falsefalsefalse101falsefalsefalse00falsefalsefalse102falsefalsefalse00falsefalsefalse103falsefalsefalse00falsefalsefalse104falsefalsefalse00falsefalsefalse105falsefalsefalse00falsefalsefalse106falsefalsefalse00falsefalsefalse107falsefalsefalse00falsefalsefalse108falsefalsefalse00falsefalsefalse109falsefalsefalse00falsefalsefalse110falsefalsefalse00falsefalsefalse111falsefalsefalse00falsefalsefalse112falsefalsefalse00falsefalsefalse113falsefalsefalse00falsefalsefalse114falsefalsefalse00falsefalsefalse115falsefalsefalse00falsefalsefalse116falsefalsefalse00falsefalsefalse117falsefalsefalse00falsefalsefalse118falsefalsefalse00falsefalsefalse119falsefalsefalse00falsefalsefalse120falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaRepresents the period in which the principal balance and interest on loans has been in default.No definition available.false0Period for which principal and interest has been in default4false 4us-gaap_LoansAndLeasesReceivableGrossCarryingAmountus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsepositiveLabel1truefalsefalse15832810001583281000USD$falsetruefalse2truefalsefalse15533830001553383000USD$falsetruefalse3truefalsefalse779074000779074000USD$falsetruefalse4truefalsefalse747342000747342000USD$falsetruefalse5truefalsefalse8576300085763000USD$falsetruefalse6truefalsefalse8797700087977000USD$falsetruefalse7truefalsefalse1523500015235000USD$falsetruefalse8truefalsefalse2878500028785000USD$falsetruefalse9truefalsefalse1928500019285000USD$falsetruefalse10truefalsefalse2246000022460000USD$falsetruefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19truefalsefalse165550000165550000USD$falsetruefalse20truefalsefalse156511000156511000USD$falsetruefalse21truefalsefalse141595000141595000USD$falsetruefalse22truefalsefalse134156000134156000USD$falsetruefalse23truefalsefalse136263000136263000USD$falsetruefalse24truefalsefalse119755000119755000USD$falsetruefalse25truefalsefalse38640003864000USD$falsetruefalse26truefalsefalse98240009824000USD$falsetruefalse27truefalsefalse886000886000USD$falsetruefalse28truefalsefalse28000002800000USD$falsetruefalse29truefalsefalse582000582000USD$falsetruefalse30truefalsefalse17770001777000USD$falsetruefalse31truefalsefalse2395500023955000USD$falsetruefalse32truefalsefalse2235500022355000USD$falsetruefalse33truefalsefalse2395200023952000USD$falsetruefalse34truefalsefalse2235000022350000USD$falsetruefalse35truefalsefalse30003000USD$falsetruefalse36truefalsefalse50005000USD$falsetruefalse37truefalsefalse733807000733807000USD$falsetruefalse38truefalsefalse730053000730053000USD$falsetruefalse39truefalsefalse6955000069550000USD$falsetruefalse40truefalsefalse6611900066119000USD$falsetruefalse41truefalsefalse6817200068172000USD$falsetruefalse42truefalsefalse6329400063294000USD$falsetruefalse43truefalsefalse116000116000USD$falsetruefalse44truefalsefalse10940001094000USD$falsetruefalse45truefalsefalse147000147000USD$falsetruefalse46truefalsefalse12620001262000USD$falsetruefalse47truefalsefalse15840001584000USD$falsetruefalse48truefalsefalse122875000122875000USD$falsetruefalse49truefalsefalse131495000131495000USD$falsetruefalse50truefalsefalse6783900067839000USD$falsetruefalse51truefalsefalse8352200083522000USD$falsetruefalse52truefalsefalse5503600055036000USD$falsetruefalse53truefalsefalse4797300047973000USD$falsetruefalse54truefalsefalse3038000030380000USD$falsetruefalse55truefalsefalse2520800025208000USD$falsetruefalse56truefalsefalse2685600026856000USD$falsetruefalse57truefalsefalse1871900018719000USD$falsetruefalse58truefalsefalse11950001195000USD$falsetruefalse59truefalsefalse14650001465000USD$falsetruefalse60truefalsefalse13820001382000USD$falsetruefalse61truefalsefalse33670003367000USD$falsetruefalse62truefalsefalse947000947000USD$falsetruefalse63truefalsefalse16570001657000USD$falsetruefalse64truefalsefalse511002000511002000USD$falsetruefalse65truefalsefalse507231000507231000USD$falsetruefalse66truefalsefalse455992000455992000USD$falsetruefalse67truefalsefalse439702000439702000USD$falsetruefalse68truefalsefalse2555200025552000USD$falsetruefalse69truefalsefalse2762100027621000USD$falsetruefalse70truefalsefalse1296400012964000USD$falsetruefalse71truefalsefalse2246600022466000USD$falsetruefalse72truefalsefalse1649400016494000USD$falsetruefalse73truefalsefalse1744200017442000USD$falsetruefalse74truefalsefalse638649000638649000USD$falsetruefalse75truefalsefalse618524000618524000USD$falsetruefalse76truefalsefalse64050006405000USD$falsetruefalse77truefalsefalse69200006920000USD$falsetruefalse78truefalsefalse630831000630831000USD$falsetruefalse79truefalsefalse608642000608642000USD$falsetruefalse80truefalsefalse14130001413000USD$falsetruefalse81truefalsefalse29620002962000USD$falsetruefalse82truefalsefalse406961000406961000USD$falsetruefalse83truefalsefalse394195000394195000USD$falsetruefalse84truefalsefalse50120005012000USD$falsetruefalse85truefalsefalse54920005492000USD$falsetruefalse86truefalsefalse400846000400846000USD$falsetruefalse87truefalsefalse386098000386098000USD$falsetruefalse88truefalsefalse11030001103000USD$falsetruefalse89truefalsefalse26050002605000USD$falsetruefalse90truefalsefalse231688000231688000USD$falsetruefalse91truefalsefalse224329000224329000USD$falsetruefalse92truefalsefalse13930001393000USD$falsetruefalse93truefalsefalse14280001428000USD$falsetruefalse94truefalsefalse229985000229985000USD$falsetruefalse95truefalsefalse222544000222544000USD$falsetruefalse96truefalsefalse310000310000USD$falsetruefalse97truefalsefalse357000357000USD$falsetruefalse98truefalsefalse4527500045275000USD$falsetruefalse99truefalsefalse4829500048295000USD$falsetruefalse100truefalsefalse120000120000USD$falsetruefalse101truefalsefalse207000207000USD$falsetruefalse102truefalsefalse4506400045064000USD$falsetruefalse103truefalsefalse4798700047987000USD$falsetruefalse104truefalsefalse9100091000USD$falsetruefalse105truefalsefalse101000101000USD$falsetruefalse106truefalsefalse4369100043691000USD$falsetruefalse107truefalsefalse4584400045844000USD$falsetruefalse108truefalsefalse109000109000USD$falsetruefalse109truefalsefalse195000195000USD$falsetruefalse110truefalsefalse4349100043491000USD$falsetruefalse111truefalsefalse4555300045553000USD$falsetruefalse112truefalsefalse9100091000USD$falsetruefalse113truefalsefalse9600096000USD$falsetruefalse114truefalsefalse15840001584000USD$falsetruefalse115truefalsefalse24510002451000USD$falsetruefalse116truefalsefalse1100011000USD$falsetruefalse117truefalsefalse1200012000USD$falsetruefalse118truefalsefalse15730001573000USD$falsetruefalse119truefalsefalse24340002434000USD$falsetruefalse120truefalsefalse50005000USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. 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 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 Reference 2: 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. false2Loans5false 4msfg_PastDuePeriodmsfg_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse0090 daysfalsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse0060 daysfalsefalsefalse15falsefalsefalse00119 daysfalsefalsefalse16falsefalsefalse0089 daysfalsefalsefalse17falsefalsefalse0060 daysfalsefalsefalse18falsefalsefalse00119 daysfalsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalse24falsefalsefalse00falsefalsefalse25falsefalsefalse00falsefalsefalse26falsefalsefalse00falsefalsefalse27falsefalsefalse00falsefalsefalse28falsefalsefalse00falsefalsefalse29falsefalsefalse00falsefalsefalse30falsefalsefalse00falsefalsefalse31falsefalsefalse00falsefalsefalse32falsefalsefalse00falsefalsefalse33falsefalsefalse00falsefalsefalse34falsefalsefalse00falsefalsefalse35falsefalsefalse00falsefalsefalse36falsefalsefalse00falsefalsefalse37falsefalsefalse00falsefalsefalse38falsefalsefalse00falsefalsefalse39falsefalsefalse00falsefalsefalse40falsefalsefalse00falsefalsefalse41falsefalsefalse00falsefalsefalse42falsefalsefalse00falsefalsefalse43falsefalsefalse00falsefalsefalse44falsefalsefalse00falsefalsefalse45falsefalsefalse00falsefalsefalse46falsefalsefalse00falsefalsefalse47falsefalsefalse00falsefalsefalse48falsefalsefalse00falsefalsefalse49falsefalsefalse00falsefalsefalse50falsefalsefalse00falsefalsefalse51falsefalsefalse00falsefalsefalse52falsefalsefalse00falsefalsefalse53falsefalsefalse00falsefalsefalse54falsefalsefalse00falsefalsefalse55falsefalsefalse00falsefalsefalse56falsefalsefalse00falsefalsefalse57falsefalsefalse00falsefalsefalse58falsefalsefalse00falsefalsefalse59falsefalsefalse00falsefalsefalse60falsefalsefalse00falsefalsefalse61falsefalsefalse00falsefalsefalse62falsefalsefalse00falsefalsefalse63falsefalsefalse00falsefalsefalse64falsefalsefalse00falsefalsefalse65falsefalsefalse00falsefalsefalse66falsefalsefalse00falsefalsefalse67falsefalsefalse00falsefalsefalse68falsefalsefalse00falsefalsefalse69falsefalsefalse00falsefalsefalse70falsefalsefalse00falsefalsefalse71falsefalsefalse00falsefalsefalse72falsefalsefalse00falsefalsefalse73falsefalsefalse00falsefalsefalse74falsefalsefalse00falsefalsefalse75falsefalsefalse00falsefalsefalse76falsefalsefalse00falsefalsefalse77falsefalsefalse00falsefalsefalse78falsefalsefalse00falsefalsefalse79falsefalsefalse00falsefalsefalse80falsefalsefalse00falsefalsefalse81falsefalsefalse00falsefalsefalse82falsefalsefalse00falsefalsefalse83falsefalsefalse00falsefalsefalse84falsefalsefalse00falsefalsefalse85falsefalsefalse00falsefalsefalse86falsefalsefalse00falsefalsefalse87falsefalsefalse00falsefalsefalse88falsefalsefalse00falsefalsefalse89falsefalsefalse00falsefalsefalse90falsefalsefalse00falsefalsefalse91falsefalsefalse00falsefalsefalse92falsefalsefalse00falsefalsefalse93falsefalsefalse00falsefalsefalse94falsefalsefalse00falsefalsefalse95falsefalsefalse00falsefalsefalse96falsefalsefalse00falsefalsefalse97falsefalsefalse00falsefalsefalse98falsefalsefalse00falsefalsefalse99falsefalsefalse00falsefalsefalse100falsefalsefalse00falsefalsefalse101falsefalsefalse00falsefalsefalse102falsefalsefalse00falsefalsefalse103falsefalsefalse00falsefalsefalse104falsefalsefalse00falsefalsefalse105falsefalsefalse00falsefalsefalse106falsefalsefalse00falsefalsefalse107falsefalsefalse00falsefalsefalse108falsefalsefalse00falsefalsefalse109falsefalsefalse00falsefalsefalse110falsefalsefalse00falsefalsefalse111falsefalsefalse00falsefalsefalse112falsefalsefalse00falsefalsefalse113falsefalsefalse00falsefalsefalse114falsefalsefalse00falsefalsefalse115falsefalsefalse00falsefalsefalse116falsefalsefalse00falsefalsefalse117falsefalsefalse00falsefalsefalse118falsefalsefalse00falsefalsefalse119falsefalsefalse00falsefalsefalse120falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaRepresents the period for which the loans are past due.No definition available.false0Period of loans past duefalseLOANS AND ALLOWANCE (Details 6) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.mainsourcefinancial.com/role/DisclosureLoansAndAllowanceDetails61205