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Other Real Estate and Repossessed Assets (Detail Textuals) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Other Real Estate [Abstract] |  |  |  |
Net charge-offs against allowance for loan losses | $ 51,000 | $ 66,000 | $ 50,000 | $ 228,000

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- Definition Represents the amount of net charge offs against valuation allowance for loan losses at the time of 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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- References No definition available. + Details
Name: | us-gaap_OtherRealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration