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FAIR VALUE MEASUREMENTS (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Mar. 31, 2011
Fair Value Measurements [Line Items]            
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount           $ 991,568us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount
Impaired Financing Receivable, with Related Allowance, Recorded Investment 6,638,184us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment   6,638,184us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment   7,528,841us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment  
Impaired Financing Receivable, Related Allowance 2,429,453us-gaap_ImpairedFinancingReceivableRelatedAllowance   2,429,453us-gaap_ImpairedFinancingReceivableRelatedAllowance   2,902,547us-gaap_ImpairedFinancingReceivableRelatedAllowance  
Additional Collateral, Aggregate Fair Value 600,000us-gaap_AdditionalCollateralAggregateFairValue   600,000us-gaap_AdditionalCollateralAggregateFairValue      
Foreclosed Assets Fair Value Disclosure 1,392,687cshb_ForeclosedAssetsFairValueDisclosure   1,392,687cshb_ForeclosedAssetsFairValueDisclosure   780,897cshb_ForeclosedAssetsFairValueDisclosure  
Provision for Loan and Lease Losses 0us-gaap_ProvisionForLoanAndLeaseLosses 497,921us-gaap_ProvisionForLoanAndLeaseLosses 75,035us-gaap_ProvisionForLoanAndLeaseLosses 1,202,426us-gaap_ProvisionForLoanAndLeaseLosses    
Asset Impairment Charges     185,020us-gaap_AssetImpairmentCharges      
Other Real Estate, Additions     1,051,028us-gaap_OtherRealEstateAdditions      
Collateral dependent loans [Member]            
Fair Value Measurements [Line Items]            
Provision for Loan and Lease Losses     (473,000)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_UnderlyingAssetClassAxis
= us-gaap_CollateralizedLoanObligationsMember
     
Property, Plant and Equipment [Member] | Maximum [Member]            
Fair Value Measurements [Line Items]            
Fair Value Inputs, Discount Rate     40.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_PropertyPlantAndEquipmentMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
     
Property, Plant and Equipment [Member] | Minimum [Member]            
Fair Value Measurements [Line Items]            
Fair Value Inputs, Discount Rate     0.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_PropertyPlantAndEquipmentMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
     
Selling Costs [Member] | Maximum [Member]            
Fair Value Measurements [Line Items]            
Fair Value Inputs, Discount Rate     15.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= cshb_SellingCostsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
     
Selling Costs [Member] | Minimum [Member]            
Fair Value Measurements [Line Items]            
Fair Value Inputs, Discount Rate     2.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= cshb_SellingCostsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
     
Appraisal [Member] | Maximum [Member]            
Fair Value Measurements [Line Items]            
Fair Value Inputs, Discount Rate     30.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= cshb_AppraisalMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
     
Appraisal [Member] | Minimum [Member]            
Fair Value Measurements [Line Items]            
Fair Value Inputs, Discount Rate     10.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= cshb_AppraisalMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
     
Other Real Estate [Member]            
Fair Value Measurements [Line Items]            
Foreclosed Assets Fair Value Disclosure $ 3,341,237cshb_ForeclosedAssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= cshb_OtherRealEstateMember
  $ 3,341,237cshb_ForeclosedAssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= cshb_OtherRealEstateMember
  $ 3,261,671cshb_ForeclosedAssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= cshb_OtherRealEstateMember