XML 135 R120.htm IDEA: XBRL DOCUMENT
v3.20.4

Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Commitments And Contingencies Disclosure [Abstract] |  |
Reserve for unfunded lending commitments | $ 29,907 | $ 3,974

X
- Definition Reserve for unfunded lending commitments. + References No definition available. + Details
Name: | hwc_ReserveForUnfundedLendingCommitments
Namespace Prefix: | hwc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration