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SECURITIES AVAILABLE FOR SALE (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Proceeds from Sale of Available-for-sale Securities $ 1,652,411us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities $ 820,285us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
Gain (Loss) on Sale of Securities, Net 21,522us-gaap_GainLossOnSaleOfSecuritiesNet 3,288us-gaap_GainLossOnSaleOfSecuritiesNet
Other Than Temporary Impairment [Member]    
Percentage Of Aggregate Depreciation 0.50%cshb_PercentageOfAggregateDepreciation
/ us-gaap_StatementEquityComponentsAxis
= cshb_OtherThanTemporaryImpairmentMember
 
Securities Held as Collateral, at Fair Value $ 27,020,908us-gaap_SecuritiesHeldAsCollateralAtFairValue
/ us-gaap_StatementEquityComponentsAxis
= cshb_OtherThanTemporaryImpairmentMember
$ 23,093,022us-gaap_SecuritiesHeldAsCollateralAtFairValue
/ us-gaap_StatementEquityComponentsAxis
= cshb_OtherThanTemporaryImpairmentMember
US Treasury and Government [Member] | Other Than Temporary Impairment [Member]    
Maximum Percentage Of Common Stock And Surplus 10.00%cshb_MaximumPercentageOfCommonStockAndSurplus
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_USTreasuryAndGovernmentMember
/ us-gaap_StatementEquityComponentsAxis
= cshb_OtherThanTemporaryImpairmentMember
10.00%cshb_MaximumPercentageOfCommonStockAndSurplus
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_USTreasuryAndGovernmentMember
/ us-gaap_StatementEquityComponentsAxis
= cshb_OtherThanTemporaryImpairmentMember