Earnings per Share (Detail Textuals) - Subsequent Event	Jul. 01, 2018
Subsequent Event [Line Items]
Special stock dividend, payment date	Jul. 01, 2018
Special stock dividend, rate percent	4.00%
Special stock dividend, record date	Jun. 15, 2018

The percentage rate used to calculate dividend payments on common stock.

No definition available.

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Namespace Prefix:	hwbk_
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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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Period Type:	duration

- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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