XML 125 R58.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans and Allowance for Loan Losses - Schedule of Impaired Loans Segregated by Class of Loans (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Unpaid Principal Balance $ 4,272,412us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance $ 3,111,720us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance  
Recorded Investment With No Allowance 857,030us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment 308,373us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment  
Recorded Investment with Allowance 3,269,927us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment 2,688,986us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment  
Total Recorded Investment 4,126,957us-gaap_ImpairedFinancingReceivableRecordedInvestment 2,997,359us-gaap_ImpairedFinancingReceivableRecordedInvestment 1,943,388us-gaap_ImpairedFinancingReceivableRecordedInvestment
Related Allowance 478,814us-gaap_ImpairedFinancingReceivableRelatedAllowance 469,302us-gaap_ImpairedFinancingReceivableRelatedAllowance 245,811us-gaap_ImpairedFinancingReceivableRelatedAllowance
Year-to-date Average Recorded Investment 4,279,301SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment 2,666,440SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment  
Interest Income Received During Impairment 251,495SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment 113,689SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment  
Commercial, Financial And Agricultural [Member]      
Unpaid Principal Balance 202,323us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
56,429us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
 
Recorded Investment With No Allowance 25,500us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
0us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
 
Recorded Investment with Allowance 176,823us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
56,429us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
 
Total Recorded Investment 202,323us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
56,429us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
 
Related Allowance 99,067us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
38,219us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
 
Year-to-date Average Recorded Investment 210,968SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
63,317SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
 
Interest Income Received During Impairment 12,192SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
2,301SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_CommercialFinancialAndAgriculturalMember
 
Construction Real Estate [Member]      
Unpaid Principal Balance 208,121us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
0us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
 
Recorded Investment With No Allowance 87,321us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
0us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
 
Recorded Investment with Allowance 0us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
0us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
 
Total Recorded Investment 87,321us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
0us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
 
Related Allowance 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
 
Year-to-date Average Recorded Investment 76,555SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
0SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
 
Interest Income Received During Impairment 17,925SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
0SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConstructionRealEstateMember
 
Commercial Real Estate [Member]      
Unpaid Principal Balance 1,170,496us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
894,722us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
 
Recorded Investment With No Allowance 0us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
118,537us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
 
Recorded Investment with Allowance 1,170,496us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
712,829us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
 
Total Recorded Investment 1,170,496us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
831,366us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
 
Related Allowance 240,899us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
221,512us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
 
Year-to-date Average Recorded Investment 1,309,828SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
454,169SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
 
Interest Income Received During Impairment 49,522SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
19,285SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CommercialRealEstateMember
 
Residential Real Estate [Member]      
Unpaid Principal Balance 2,336,711us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
1,940,949us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
 
Recorded Investment With No Allowance 568,909us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
167,614us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
 
Recorded Investment with Allowance 1,746,890us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
1,722,330us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
 
Total Recorded Investment 2,315,799us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
1,889,944us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
 
Related Allowance 129,060us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
132,703us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
 
Year-to-date Average Recorded Investment 2,232,148SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
1,982,756SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
 
Interest Income Received During Impairment 110,730SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
81,454SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_ResidentialRealEstateMember
 
Agricultural Real Estate [Member]      
Unpaid Principal Balance 323,808us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
197,398us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
 
Recorded Investment With No Allowance 148,090us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
0us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
 
Recorded Investment with Allowance 175,718us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
197,398us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
 
Total Recorded Investment 323,808us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
197,398us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
 
Related Allowance 9,788us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
76,868us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
 
Year-to-date Average Recorded Investment 425,865SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
148,725SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
 
Interest Income Received During Impairment 59,802SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
9,198SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_AgriculturalRealEstateMember
 
Consumer And Other [Member]      
Unpaid Principal Balance 30,953us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
22,222us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
 
Recorded Investment With No Allowance 27,210us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
22,222us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
 
Recorded Investment with Allowance 0us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
0us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
 
Total Recorded Investment 27,210us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
22,222us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
 
Related Allowance 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
 
Year-to-date Average Recorded Investment 23,937SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
17,473SGB_ImpairedFinancingReceivableYearToDateAverageRecordedInvestment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
 
Interest Income Received During Impairment $ 1,324SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember
$ 1,451SGB_ImpairedfinancingreceivableInterestIncomeReceivedDuringImpairment
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= SGB_ConsumerAndOtherMember