XML 61 R51.htm IDEA: XBRL DOCUMENT
v3.22.2

Derivatives (Fair Values of Derivative Financial Instruments) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | $ 8,710,799 | $ 8,649,657
Fair Values, Assets |  | 72,408 | 6,908
Less: netting adjustment | [1],[2] | (106,122) | (30,304)
Fair Values, Liabilities |  | 3,102 | 22,244
Less: netting adjustment | [1],[2] | (56,490) | (61,534)
Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 184,915 | 106,171
Total derivative assets/liabilities | [1] | 78,793 | 75,867
Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Total derivative assets/liabilities | [1] | 118,652 | 35,046
Fair Values, Liabilities | [1] | 175,142 | 96,580
Derivatives Designated as Hedging Instruments [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 3,034,400 | 2,962,650
Derivatives Designated as Hedging Instruments [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 64,911 | 28,022
Derivatives Designated as Hedging Instruments [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 55,031 | 15,111
Derivatives Not Designated as Hedging Instruments [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 5,676,399 | 5,687,007
Derivatives Not Designated as Hedging Instruments [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 120,004 | 78,149
Derivatives Not Designated as Hedging Instruments [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 120,111 | 81,469
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 5,177,005 | 5,193,991
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 117,837 | 75,819
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 115,267 | 75,861
Derivatives Not Designated as Hedging Instruments [Member] | Risk Participation Agreements [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 258,745 | 217,437
Derivatives Not Designated as Hedging Instruments [Member] | Risk Participation Agreements [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 2 | 11
Derivatives Not Designated as Hedging Instruments [Member] | Risk Participation Agreements [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 10 | 35
Derivatives Not Designated as Hedging Instruments [Member] | Forward Commitments to Sell Residential Mortgage Loans [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 27,172 | 46,739
Derivatives Not Designated as Hedging Instruments [Member] | Forward Commitments to Sell Residential Mortgage Loans [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 125 | 1
Derivatives Not Designated as Hedging Instruments [Member] | Forward Commitments to Sell Residential Mortgage Loans [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 334 | 645
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate-Lock Commitments on Residential Mortgage Loans [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 53,587 | 82,037
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate-Lock Commitments on Residential Mortgage Loans [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 917 | 1,525
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate-Lock Commitments on Residential Mortgage Loans [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 111 | 1
Derivatives Not Designated as Hedging Instruments [Member] | To Be Announced (TBA) Securities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 26,000 | 55,000
Derivatives Not Designated as Hedging Instruments [Member] | To Be Announced (TBA) Securities [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 52 | 15
Derivatives Not Designated as Hedging Instruments [Member] | To Be Announced (TBA) Securities [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 246 | 53
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Forward Contracts [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 90,451 | 48,364
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Forward Contracts [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 1,071 | 778
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Forward Contracts [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 1,032 | 758
Derivatives Not Designated as Hedging Instruments [Member] | Visa Class B derivative contract [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 43,439 | 43,439
Derivatives Not Designated as Hedging Instruments [Member] | Visa Class B derivative contract [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 3,111 | 4,116
Cash Flow Hedge [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Variable Rate Loans [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 1,750,000 | 1,125,000
Cash Flow Hedge [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Variable Rate Loans [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | 2,229 | 5,884
Cash Flow Hedge [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Variable Rate Loans [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] | 55,031 | 4,421
Cash Flow Hedge [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 100,000 |
Fair Value Hedging [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Securities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Notional or Contractual Amount |  | 1,284,400 | 1,837,650
Fair Value Hedging [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Securities [Member] | Other Assets [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Assets | [1] | $ 62,682 | 22,138
Fair Value Hedging [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps - Securities [Member] | Other Liabilities [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Fair Values, Liabilities | [1] |  | $ 10,690
[1] | Derivative assets and liabilities are reported at fair value in other assets or other liabilities, respectively, in the consolidated balance sheets.
[2] | Represents balance sheet netting of derivative assets and liabilities for variation margin collateral held or placed with the same central clearing counterparty. See offsetting assets and liabilities for further information.

X
- Definition Derivative assets before netting adjustments. + References No definition available. + Details
Name: | hwc_DerivativeAssetsBeforeNettingAdjustments
Namespace Prefix: | hwc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties. + References No definition available. + Details
Name: | us-gaap_AssetsFairValueAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of asset after deduction of liability. + References No definition available. + Details
Name: | us-gaap_FairValueNetAssetLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties. + References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CreditRiskContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForwardContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateLockCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=hwc_ToBeAnnouncedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=hwc_VisaClassBDerivativeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=hwc_InterestRateSwapsVariableRateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=hwc_InterestRateSwapsSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |