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Earnings per Share - Stock Dividend (Details) | Jul. 01, 2019
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Earnings Per Share |
Dividends Payable, Date to be Paid | Jul. 01, 2019
Special stock dividend, rate percent | 4.00%
Special stock dividend, record date | Jun. 15, 2019

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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: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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