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LOANS (Details Textual) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]    
Allowance for Credit Losses, Change in Method of Calculating Impairment $ 1,699,851us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment $ 1,499,705us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment
Receivables, Change in Method of Calculating Impairment, Recorded Investment 10,441,218us-gaap_ReceivablesChangeInMethodOfCalculatingImpairmentRecordedInvestment 9,036,794us-gaap_ReceivablesChangeInMethodOfCalculatingImpairmentRecordedInvestment
Additional Allowance for Credit Losses Change in Method of Calculating Impairment 72,000cshb_AdditionalAllowanceForCreditLossesChangeInMethodOfCalculatingImpairment 1,308,000cshb_AdditionalAllowanceForCreditLossesChangeInMethodOfCalculatingImpairment
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down 654,000us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown 383,000us-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 Bank’s documented action plan.  
Financing Receivable, Net 126,334,333us-gaap_NotesReceivableNet 150,455,835us-gaap_NotesReceivableNet
A B Note Modification [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down 638,000us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= cshb_BNoteModificationMember		  
Subsequently Default [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down   326,000us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= cshb_SubsequentlyDefaultMember
Performing Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 184,364us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PerformingFinancingReceivableMember		 222,700us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PerformingFinancingReceivableMember
Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 40,008,425us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember		 50,240,708us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Consumer Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net $ 11,609,853us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 $ 16,300,189us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember