XML 102 R87.htm IDEA: XBRL DOCUMENT v3.20.4

Other Assets (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Other Assets [Abstract]
Unamortized portion of investments in affordable housing limited partnerships	$ 37.5	$ 37.3

X

- Definition

Investments in low income housing tax credit entities.

+ References

No definition available.

+ Details

Name:	hwc_InvestmentsInLowIncomeHousingTaxCreditEntities
Namespace Prefix:	hwc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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