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ALLOWANCE FOR LOAN LOSSES AND IMPAIRED LOANS (Details Textual) (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]      
Allowance for Credit Losses, Change in Method of Calculating Impairment $ 1,537,738us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment   $ 1,699,851us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment
Receivables, Change in Method of Calculating Impairment, Recorded Investment 8,361,469us-gaap_ReceivablesChangeInMethodOfCalculatingImpairmentRecordedInvestment   10,441,218us-gaap_ReceivablesChangeInMethodOfCalculatingImpairmentRecordedInvestment
Additional Allowance for Credit Losses Change in Method of Calculating Impairment 38,913cshb_AdditionalAllowanceForCreditLossesChangeInMethodOfCalculatingImpairment 50,000cshb_AdditionalAllowanceForCreditLossesChangeInMethodOfCalculatingImpairment  
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down 9,711us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown 638,000us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown  
Financing Receivable, Credit Quality, Additional Information All commercial and commercial real estate loans exceeding $500,000 are formally reviewed at least annually. Once a loan is graded a 5M or greater number, and is over $100,000, the loan grade will be reanalyzed once a quarter to assess the borrowers compliance with the Banks documented action plan    
Performing Financing Receivable [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Allowance for Credit Losses, Change in Method of Calculating Impairment $ 181,503us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PerformingFinancingReceivableMember
  $ 184,364us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PerformingFinancingReceivableMember