XML 76 R66.htm IDEA: XBRL DOCUMENT
v3.23.3

Retirement Plans (Narrative) (Details) | 9 Months Ended
--- | ---
Sep. 30, 2023
Defined Benefit Plan Disclosure [Line Items] |
Newly eligible associates initial savings rate | 3.00%
First 1% Of Contribution Saved [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Matching percentage | 100.00%
Percentage of compensation saved | 1.00%
Next 5% Of Contribution Saved [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Matching percentage | 50.00%
Percentage of compensation saved | 5.00%
Amended Hancock 401K Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Additional matching percentage | 2.00%
Period of employment for eligibility | 3 years
Amended Hancock 401K Plan [Member] | 4% Of Contribution [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Matching percentage | 4.00%
Amended Hancock 401K Plan [Member] | 6% Of Contribution [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Matching percentage | 6.00%
Amended Hancock 401K Plan [Member] | 2% Of Contribution [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Matching percentage | 2.00%

X
- Definition Defined Contribution Plan, Employer Matching Contribution, Additional Percent of Match + References No definition available. + Details
Name: | hwc_DefinedContributionPlanEmployerMatchingContributionAdditionalPercentOfMatch
Namespace Prefix: | hwc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined Contribution Plan, Initial Savings Rate + References No definition available. + Details
Name: | hwc_DefinedContributionPlanInitialSavingsRate
Namespace Prefix: | hwc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined contribution plan, period of employment for eligibility. + References No definition available. + Details
Name: | hwc_DefinedContributionPlanPeriodOfEmploymentForEligibility
Namespace Prefix: | hwc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementScenarioAxis=hwc_FirstOnePercentOfContributionSavedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=hwc_NextFivePercentOfContributionSavedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=hwc_AmendedHancock401kPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=hwc_FourPercentOfContributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=hwc_SixPercentOfContributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=hwc_TwoPercentOfContributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |