Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Sep. 30, 2014
Deferred tax assets:
Allowance for loan losses	$ 2,567	$ 2,562
Deferred loan costs/fees	180czwi_DeferredLoanCostFees	217czwi_DeferredLoanCostFees
Director/officer compensation plans	470czwi_DirectorOfficerCompensationPlan	551czwi_DirectorOfficerCompensationPlan
Net unrealized loss on securities available for sale	151	579
Other	364us-gaap_DeferredTaxAssetsOther	233us-gaap_DeferredTaxAssetsOther
Deferred tax assets	3,732us-gaap_DeferredTaxAssetsNet	4,142us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:
Office properties and equipment	(248)	(397)
Other	(110)us-gaap_DeferredTaxLiabilitiesOther	(111)us-gaap_DeferredTaxLiabilitiesOther
Deferred tax liabilities	(358)us-gaap_DeferredTaxLiabilities	(508)us-gaap_DeferredTaxLiabilities
Net deferred tax assets	$ 3,374us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 3,634us-gaap_DeferredTaxAssetsLiabilitiesNet

Deferred loan cost/fees.

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Director/officer compensation plans.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses on available-for-sale securities.

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Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

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Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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