Summary of Significant Accounting Policies (Details)	0 Months Ended
Jul. 02, 2013
Summary of Significant Accounting Policies
Percentage of special stock dividend paid to common shareholders	4.00%

Represents the percentage of special stock dividend paid to common shareholders.

No definition available.

Name:	hwbk_CommonStockSpecialDividendPaidPercentage
Namespace Prefix:	hwbk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration