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Real Estate Acquired in Settlement of Loans (Details Textual) (USD $) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2012 | Sep. 30, 2012
Real Estate Acquired in Settlement of Loans (Textual) [Abstract] |  |
Net charge-offs against the allowance for loan losses at the time of foreclosure | $ 2,401,000 | $ 4,141,000

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- Definition Charge offs against the allowance for loan losses foreclosure. + References No definition available. + Details
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Namespace Prefix: | hwbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | hwbk_RealEstateAcquiredInSettlementOfLoansTextualAbstract
Namespace Prefix: | hwbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration