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Commitments and Contingencies (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments $ 39,113,309us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability $ 35,739,905us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
Maximum credit to single borrower 5,600,000sryb_MaximumAmountOfCreditToSingleBorrower  
Commitments to Extend Credit, Including Unused Lines of Credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments 36,699,062us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommitmentsToExtendCreditMember
34,138,058us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommitmentsToExtendCreditMember
Standby Letters of Credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Commitments $ 2,414,247us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_StandbyLettersOfCreditMember
$ 1,601,847us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_StandbyLettersOfCreditMember