XML 106 R90.htm IDEA: XBRL DOCUMENT
v3.20.4

Borrowings - Trust Preferred Securities (Details) - USD ($) |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 17, 2005 | Mar. 17, 2004 | Mar. 17, 2005 | Dec. 31, 2020 | Dec. 31, 2019
Borrowings |  |  |  |  |
Investment in common securities of the trust |  |  |  | $ 1,200,000 | $ 1,300,000
Subordinated notes |  |  |  | $ 49,486,000 | $ 49,486,000
Exchange Statutory Trust II |  |  |  |  |
Borrowings |  |  |  |  |
Trust preferred securities issued floating rate Trust Preferred Securities (TPS) to a TPS Pool |  |  | $ 23,000,000.0 |  |
Floating rate Trust Preferred Securities (TPS) to a TPS Pool, term |  |  | 30 years |  |
Description of variable rate |  |  |  | three-month LIBOR rate |
Basis spread on variable rate (as a percent) |  |  |  | 1.83% |
Interest rate at end of period (as a percent) |  |  |  |  | 2.06%
Period of time after issuance in which TPS can be repaid without penalty | 5 years |  |  |  |
Investment in common securities of the trust | $ 712,000 |  | $ 712,000 |  |
Investment in preferred interests of the trust by a third party during the period | $ 23,000,000.0 |  |  |  |
Exchange Statutory Trust I |  |  |  |  |
Borrowings |  |  |  |  |
Trust preferred securities issued floating rate Trust Preferred Securities (TPS) to a TPS Pool |  | $ 25,000,000.0 |  |  |
Description of variable rate |  |  |  | three-month LIBOR rate |
Basis spread on variable rate (as a percent) |  |  |  | 2.70% |
Interest rate at end of period (as a percent) |  |  |  |  | 2.93%
Minimum duration of time needs to complete to take action against default |  |  |  | 5 years |
Investment in common securities of the trust |  | 774,000 |  |  |
Investment in preferred interests of the trust by a third party during the period |  | $ 25,000,000.0 |  |  |

X
- Definition Represents the preferred interests in trust purchased during the period by a third party. + References No definition available. + Details
Name: | hwbk_InvestmentDuringPeriodInPreferredSecuritiesOfTrustsPurchasedByThirdParty
Namespace Prefix: | hwbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the investment in common securities of the trusts as of the balance sheet date. + References No definition available. + Details
Name: | hwbk_InvestmentInCommonSecuritiesOfTrusts
Namespace Prefix: | hwbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The minimum duration of time needs to complete to take action against default. + References No definition available. + Details
Name: | hwbk_MinimumPeriodToTakeActionInEventOfDefault
Namespace Prefix: | hwbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Trust preferred securities issued. + References No definition available. + Details
Name: | hwbk_TrustPreferredSecuritiesIssued
Namespace Prefix: | hwbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the period of time after the issuance date in which the trust preferred securities can be prepaid without penalty. + References No definition available. + Details
Name: | hwbk_TrustPreferredSecuritiesPrepaymentPeriod
Namespace Prefix: | hwbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the term of the trust preferred security. + References No definition available. + Details
Name: | hwbk_TrustPreferredSecuritiesTerm
Namespace Prefix: | hwbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the trust preferred security. + References No definition available. + Details
Name: | hwbk_TrustPreferredSecurityBasisSpreadOnVariableRate
Namespace Prefix: | hwbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reference rate for the variable rate of the trust preferred security. + References No definition available. + Details
Name: | hwbk_TrustPreferredSecurityDescriptionOfVariableRateBasis
Namespace Prefix: | hwbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The effective interest rate at the end of the reporting period for the trust preferred security. + References No definition available. + Details
Name: | hwbk_TrustPreferredSecurityInterestRateAtPeriodEnd
Namespace Prefix: | hwbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_JuniorSubordinatedNotes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=hwbk_ExchangeStatutoryTrustTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=hwbk_ExchangeStatutoryTrustOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |