XML 44 R45.htm IDEA: XBRL DOCUMENT v2.4.1.9
ALLOWANCE FOR LOAN LOSSES AND IMPAIRED LOANS (Details 5) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net $ 128,881,166us-gaap_NotesReceivableNet $ 126,239,375us-gaap_NotesReceivableNet
Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 43,696,168us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
40,027,563us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 58,591,946us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
56,714,348us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 2,101,163us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
3,479,043us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Residential Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 16,122,324us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
17,846,149us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Consumer Line of Credit [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 8,322,874us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= cshb_ConsumerLineOfCreditMember
9,135,422us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= cshb_ConsumerLineOfCreditMember
Consumer Other Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 1,677,018us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember
2,025,091us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember
Consumer Credit Card Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 470,836us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
490,802us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
Credit Rating One [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingOneMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingOneMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating One [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingOneMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingOneMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating One [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingOneMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingOneMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Credit Rating Two [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 261,437us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingTwoMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
298,200us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingTwoMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating Two [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingTwoMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingTwoMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating Two [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingTwoMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingTwoMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Credit Rating Three [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 7,791,976us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingThreeMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
2,004,476us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingThreeMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating Three [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 4,697,215us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingThreeMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
4,141,391us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingThreeMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating Three [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingThreeMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingThreeMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Credit Rating Four [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 13,313,325us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFourMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
14,017,221us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFourMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating Four [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 17,931,763us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFourMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
12,911,811us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFourMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating Four [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 467,651us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFourMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
384,848us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFourMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Credit Rating Five [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 15,217,224us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
16,373,423us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating Five [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 21,066,423us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
22,177,734us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating Five [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 236,099us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
1,695,990us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Credit Rating Five M [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 4,275,905us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
3,318,016us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating Five M [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 3,817,196us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
3,675,131us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating Five M [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 1,397,413us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
1,398,205us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingFiveMMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Credit Rating Six [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 1,705,945us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSixMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
2,180,119us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSixMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating Six [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 6,298,783us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSixMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
7,365,970us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSixMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating Six [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSixMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSixMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Credit Rating Seven [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 1,072,584us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSevenMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
1,369,803us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSevenMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating Seven [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 519,913us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSevenMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
287,682us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSevenMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating Seven [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSevenMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingSevenMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Credit Rating Eight [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 57,772us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingEightMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
466,305us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingEightMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Credit Rating Eight [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 2,159,490us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingEightMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
2,675,586us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingEightMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Credit Rating Eight [Member] | Commercial Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingEightMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_CreditRatingEightMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Performing Loans [Member] | Residential Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 15,260,815us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_PerformingLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
17,063,417us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_PerformingLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Performing Loans [Member] | Consumer Line of Credit [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 8,115,446us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_PerformingLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= cshb_ConsumerLineOfCreditMember
8,944,652us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_PerformingLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= cshb_ConsumerLineOfCreditMember
Performing Loans [Member] | Consumer Other Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 1,578,420us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_PerformingLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember
1,894,041us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_PerformingLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember
Performing Loans [Member] | Consumer Credit Card Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 470,836us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_PerformingLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
490,802us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_PerformingLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
Impaired Loans [Member] | Residential Portfolio Segment [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 861,509us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
782,732us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Impaired Loans [Member] | Consumer Line of Credit [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 207,428us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= cshb_ConsumerLineOfCreditMember
190,770us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= cshb_ConsumerLineOfCreditMember
Impaired Loans [Member] | Consumer Other Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net 98,598us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember
131,050us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember
Impaired Loans [Member] | Consumer Credit Card Financing Receivable [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Net $ 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember
$ 0us-gaap_NotesReceivableNet
/ us-gaap_CreditRatingAMBestAxis
= cshb_ImpairedLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerCreditCardFinancingReceivableMember