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Summary of Significant Accounting Policies (Detail Textuals)	1 Months Ended
	Jul. 31, 2017
Accounting Policies [Abstract]
Special stock dividend, payment date	Jul. 01, 2017
Special stock dividend, rate percent	4.00%
Special stock dividend, record date	Jun. 15, 2017

X

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	hwbk_
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Period Type:	duration

X

- References

No definition available.

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X

- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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X

- Definition

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

+ References

No definition available.

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