XML 121 R105.htm IDEA: XBRL DOCUMENT v3.8.0.1

Fair Value of Financial Instruments (Detail Textuals)	12 Months Ended
	Dec. 31, 2017
Financial Instruments, Owned, at Fair Value [Abstract]
Weighted average maturity of interest bearing deposits	4 years 2 months 12 days

X

- Definition

Represents weighted average maturity of the interest bearing deposits term.

+ References

No definition available.

+ Details

Name:	hwbk_WeightedAverageMaturityInterestBearingDepositsTerm
Namespace Prefix:	hwbk_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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