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v3.22.2.2

Summary of Significant Accounting Policies (Details) | Jul. 01, 2022
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Accounting Policies [Abstract] |
Special stock dividend, rate percent (in percent) | 4.00%

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- Definition The percentage rate used to calculate dividend payments on common stock. + References No definition available. + Details
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Namespace Prefix: | hwbk_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration