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Summary of Significant Accounting Policies (Detail Textuals 2) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Summary Of Significant Accounting Policies [Line Items]
Mortgage loans held for sale		$ 95,882us-gaap_MortgagesHeldForSaleFairValueDisclosure
Depreciation methods	straight-line and accelerated methods
Amortization method	straight line and accelerated methods
Sustained period of repayment performance for non-accrual TDRs	6 months
Period of employees highest compensation before retirement	10 years
Core deposit intangible | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated lives	7 years
Core deposit intangible | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated lives	8 years
Mortgage servicing rights | Error adjustment related to amortization method of MSR's
Summary Of Significant Accounting Policies [Line Items]
Cumulative effect of change in accounting principle as increase to retained earnings	$ 459,890us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = hwbk_ErrorAdjustmentAmortizationMethodMortgageServicingRightsMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_ServicingContractsMember
Buildings and improvements
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	5 to 40 years
Furniture and equipment
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	3 to 15 years
Federal Home Loan Bank of Des Moines
Summary Of Significant Accounting Policies [Line Items]
Investment in capital stock of the Federal Home Loan Bank of total assets	0.12%hwbk_InvestmentInCapitalStockOfFederalHomeLoanBankTotalAssets / us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis = us-gaap_FederalHomeLoanBankOfDesMoinesMember
Investment in capital stock of Federal Home Loan Bank required percentage of advances	4.00%hwbk_InvestmentInCapitalStockOfFederalHomeLoanBankRequiredPercentageOfAdvances / us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis = us-gaap_FederalHomeLoanBankOfDesMoinesMember

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- Definition

Represents the period of employees highest compensation before retirement used to calculate the basis of benefits under the defined benefit pension plan.

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Represents the percentage of advances from the FHLB to the Bank in which that amount is required to be maintained as an investment in the capital stock of the FHLB.

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Represents the amount of investment in capital stock of the Federal Home Loan Bank equal to basis points of year- end total assets.

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Represent period over which debtor demonstrates the ability to pay under the terms of the restructured note through a sustained period of repayment performance, for non-accrual TDRs to be returned to accruing status.

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The amortization method of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. The straight-line method is the preferred amortization method, unless another method better reflects the pattern in which the asset is consumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 35

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value portion of mortgage loans held-for-sale.

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Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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Description of the methodology for computing depreciation for classes of depreciable assets.

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