Real Estate and Other Assets Acquired in Settlement of Loans (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 item	Jun. 30, 2012 item
Summary of activity in valuation allowance for other real estate owned in settlement of loans
Balance, beginning of year	$ 8,344	$ 7,190	$ 6,137	$ 6,977
Provision for other real estate owned	(158)	486	2,185	739
Charge-offs	(4,187)	(202)	(4,323)	(242)
Balance, end of year	$ 3,999	$ 7,474	$ 3,999	$ 7,474
Foreclosed commercial real estate properties			2	2

This element represents the number of foreclosed commercial real estate properties during the period.

No definition available.

Name:	hwbk_ForeclosedCommercialRealEstateProperties
Namespace Prefix:	hwbk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

For each period for which an income statement is required, disclosure of the changes in the allowance, including balances at end of period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(4))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Subparagraph 4

-Article 9

+ Details

Name:	us-gaap_RealEstateOwnedValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the valuation allowance for real estate owned that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off.

+ References

+ Details

Name:	us-gaap_RealEstateOwnedValuationAllowanceAmountsApplied
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the increase in the real estate owned valuation allowance that is charged against earnings in the period.

+ References

+ Details

Name:	us-gaap_RealEstateOwnedValuationAllowanceProvision
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_RealEstateOwnedValuationAllowanceRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration