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Securities (Details 1) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available for Sale, Due in one year or less, Amortized Cost | $ 0us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost |
Securities Available for Sale, Due from one year to five years, Amortized Cost | 898,930us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost |
Securities Available for Sale, Due from five years to ten years, Amortized Cost | 2,831,489us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost |
Securities Available for Sale, Due after ten years, Amortized Cost | 3,858,152us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost |
Securities Available for Sale, Debt securities, Amortized Cost | 7,588,571csbq_AvailableForSaleSecuritiesDebtMaturitiesBeforeWithoutSingleMaturityDateAmortizedCost |
Securities Available for Sale, Mortgage-backed securities, Amortized Cost | 79,131,444us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost |
Securities Available for Sale, Amortized Cost | 86,720,015us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis | 91,798,028us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Securities Available for Sale, Due in one year or less, Fair Value | 0us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue |
Securities Available for Sale, Due from one year to five years, Fair Value | 934,341us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |
Securities Available for Sale, Due from five years to ten years, Fair Value | 2,931,593us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue |
Securities Available for Sale, Due after ten years, Fair Value | 4,028,174us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue |
Securities Available for Sale, Debt securities, Fair Value | 7,894,108csbq_AvailableForSaleSecuritiesDebtMaturitiesBeforeWithoutSingleMaturityDateFairValue |
Securities Available for Sale, Mortgage-backed securities, Fair Value | 79,298,801us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
Securities Available for Sale, Fair Value | 87,192,909us-gaap_AvailableForSaleSecuritiesDebtSecurities | 92,208,672us-gaap_AvailableForSaleSecuritiesDebtSecurities
Securities Held to Maturity, Due in one year or less, Amortized Cost | 0us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount |
Securities Held to Maturity, Due from one year to five years, Amortized Cost | 0us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount |
Securities Held to Maturity, Due from five years to ten years, Amortized Cost | 0us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount |
Securities Held to Maturity, Due after ten years, Amortized Cost | 0us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount |
Securities Held to Maturity, Debt securities, Amortized Cost | 0csbq_HeldToMaturitySecuritiesDebtMaturitiesBeforeWithoutSingleMaturityDateNetCarryingAmount |
Securities Held to Maturity, Mortgage-backed securities, Amortized Cost | 25,428us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
Securities Held to Maturity, Amortized Cost | 25,428us-gaap_HeldToMaturitySecurities | 34,165us-gaap_HeldToMaturitySecurities
Securities Held to Maturity, Due in one year or less, Fair Value | 0us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue |
Securities Held to Maturity, Due from one year to five years, Fair Value | 0us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |
Securities Held to Maturity, Due from five years to ten years, Fair Value | 0us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue |
Securities Held to Maturity, Due after ten years, Fair Value | 0us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue |
Securities Held to Maturity, Debt securities, Fair Value | 0csbq_HeldToMaturitySecuritiesDebtMaturitiesBeforeWithoutSingleMaturityDateFairValue |
Securities Held to Maturity, Mortgage-backed securities, Fair Value | 25,702us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
Securities Held to Maturity, Fair Value | $ 25,702us-gaap_HeldToMaturitySecuritiesFairValue | $ 35,027us-gaap_HeldToMaturitySecuritiesFairValue

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- Definition Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing after the tenth fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f)(4) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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- Definition Fair value of held-to-maturity debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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- Definition Amount of held-to-maturity debt securities at fair value that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the fair value over several maturity groupings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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