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Income Taxes (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Tax Holiday [Line Items] |  |  |  |  |  |  |  |  |  |  |
Current tax expense |  |  |  |  |  |  |  |  | $ 473,257us-gaap_CurrentIncomeTaxExpenseBenefit | $ 937,460us-gaap_CurrentIncomeTaxExpenseBenefit | $ 960,750us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred tax (benefit) expense related to: |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses |  |  |  |  |  |  |  |  | (110,983)csbq_DeferredTaxExpenseBenefitAllowancesForLoanLosses | 244,565csbq_DeferredTaxExpenseBenefitAllowancesForLoanLosses | (255,287)csbq_DeferredTaxExpenseBenefitAllowancesForLoanLosses
Foreclosed assets | 669,694csbq_DeferredTaxAssetForeClosedAsset |  |  |  | (219,483)csbq_DeferredTaxAssetForeClosedAsset |  |  |  | 669,694csbq_DeferredTaxAssetForeClosedAsset | (219,483)csbq_DeferredTaxAssetForeClosedAsset | (58,692)csbq_DeferredTaxAssetForeClosedAsset
Other |  |  |  |  |  |  |  |  | (17,963)us-gaap_DeferredOtherTaxExpenseBenefit | 80,258us-gaap_DeferredOtherTaxExpenseBenefit | (69,171)us-gaap_DeferredOtherTaxExpenseBenefit
Income tax expense | $ 253,405us-gaap_IncomeTaxExpenseBenefit | $ 249,500us-gaap_IncomeTaxExpenseBenefit | $ 256,500us-gaap_IncomeTaxExpenseBenefit | $ 254,600us-gaap_IncomeTaxExpenseBenefit | $ 249,700us-gaap_IncomeTaxExpenseBenefit | $ 268,200us-gaap_IncomeTaxExpenseBenefit | $ 256,000us-gaap_IncomeTaxExpenseBenefit | $ 268,900us-gaap_IncomeTaxExpenseBenefit | $ 1,014,005us-gaap_IncomeTaxExpenseBenefit | $ 1,042,800us-gaap_IncomeTaxExpenseBenefit | $ 577,600us-gaap_IncomeTaxExpenseBenefit

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from foreclosed assets. + References No definition available. + Details
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- Definition The change during the period in the entity's deferred tax assets and liabilities attributable to continuing operations as determined by applying enacted tax laws other than federal, domestic, foreign, state or local. Items affecting deferred income taxes and required to be disclosed, that are related to the allowances for loan losses. + References No definition available. + Details
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- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6509736 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Subsection 7 + Details
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- Definition Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Subsection 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6510177 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (g),(h) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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