XML 69 R57.htm IDEA: XBRL DOCUMENT
v3.24.3

Allowance for Credit Losses, Credit Quality and Other - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) loan | Sep. 30, 2023 USD ($) loan | Dec. 31, 2023 USD ($) loan
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Provision for credit losses on loans | $ 18,200 |  | $ 2,800 | $ 31,700 | $ 6,300 |
Recording (recovery) of provision for unfunded commitments of credit losses | 1,000 | $ 1,000 |  |  |  |
Provision for unfunded commitments | 1,000 |  | (1,500) | 0 | (1,500) |
Non-accrual loans | 95,747 |  |  | 95,747 |  | $ 59,971
Loans Past Due Over 90 Days Still Accruing | 5,356 |  |  | 5,356 |  | 4,130
Nonaccrual loans with specific reserve | 46,500 |  |  | 46,500 |  | 2,500
Collateral-dependent impaired loans | 134,100 |  |  | 134,100 |  | 94,900
Interest recognized on impaired loans | 1,300 |  | 347 | 3,700 | 1,000 |
Amount of loan assessed for impairment on a quarterly basis |  |  |  | 2,000 |  |
Revolver loans converted to term loans |  |  |  | $ 45,300 | $ 32,100 |
Number of revolving loans convert to term loans | loan |  |  |  | 180 | 182 |
Premodification balance |  |  |  | $ 1,200 | $ 19,400 |
Number of loans | loan |  |  |  | 8 | 18 |
Ending balance |  |  |  | $ 1,100 |  |
Loans, ending balance |  |  | 20,800 |  | $ 20,800 |
Hurricane |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Provision for credit losses on loans |  |  |  | 16,700 |  |
Borrowers Experiencing Financial Difficulty |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Premodification balance |  |  |  |  |  | $ 1,400
Number of loans | loan |  |  |  |  |  | 11
Loans, ending balance | 1,300 |  |  | 1,300 |  |
Loan balance, nonaccrual | 1,100 |  |  | 1,100 |  |
Loans Past Due 30-59 Days | Borrowers Experiencing Financial Difficulty |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Loans, ending balance | 92 |  |  | 92 |  |
Past Due | Borrowers Experiencing Financial Difficulty |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Loans, ending balance | 193 |  |  | $ 193 |  |
Construction / Land Development and Other Commercial Real Estate Loans | Minimum |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Loans collateralized by first liens on real estate amortized period |  |  |  | 15 years |  |
Loans collateralized by first liens on real estate balloon payments due period |  |  |  | 1 year |  |
Construction / Land Development and Other Commercial Real Estate Loans | Maximum |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Loans collateralized by first liens on real estate amortized period |  |  |  | 30 years |  |
Loans collateralized by first liens on real estate balloon payments due period |  |  |  | 5 years |  |
Percentage of loan value of improved property |  |  |  | 85.00% |  |
Percentage of loan value of raw land |  |  |  | 65.00% |  |
Percentage of loan value of land to be acquired and developed |  |  |  | 75.00% |  |
Residential real estate loans |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Provision for credit losses on loans | 8,059 |  | 3,233 | $ 3,676 |  |
Residential real estate loans | Maximum |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Loan-to-value ratio |  |  |  | 90.00% |  |
Commercial and Industrial Loans |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Provision for credit losses on loans | (8,434) |  | $ 2,059 | $ (28,210) |  |
Non-accrual loans | 8,511 |  |  | 8,511 |  | $ 9,982
Loans Past Due Over 90 Days Still Accruing | $ 2,405 |  |  | $ 2,405 |  | $ 1,535
Commercial and Industrial Loans | Minimum |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Commercial loans terms |  |  |  | 1 year |  |
Inventory financing percentage | 50.00% |  |  | 50.00% |  |
Commercial and Industrial Loans | Minimum | Loans Past Due 30-59 Days |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Accounts receivable financed percentage | 50.00% |  |  | 50.00% |  |
Commercial and Industrial Loans | Maximum |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Commercial loans terms |  |  |  | 7 years |  |
Inventory financing percentage | 80.00% |  |  | 80.00% |  |
Commercial and Industrial Loans | Maximum | Loans Past Due 30-59 Days |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Accounts receivable financed percentage | 80.00% |  |  | 80.00% |  |

X
- Definition Commercial loans terms. + References No definition available. + Details
Name: | homb_CommercialLoansTerms
Namespace Prefix: | homb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing inventory percentage. + References No definition available. + Details
Name: | homb_FinancingInventoryPercentage
Namespace Prefix: | homb_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing receivable collateral dependent amortized cost. + References No definition available. + Details
Name: | homb_FinancingReceivableCollateralDependentAmortizedCost
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, Excluding Accrued Interest, Modified, After 12 Months, Nonaccrual + References No definition available. + Details
Name: | homb_FinancingReceivableExcludingAccruedInterestModifiedAfter12MonthsNonaccrual
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loan-to-value ratio. + References No definition available. + Details
Name: | homb_LoanToValueRatio
Namespace Prefix: | homb_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans collateralized by first liens on real estate amortized period. + References No definition available. + Details
Name: | homb_LoansCollateralizedByFirstLiensOnRealEstateAmortizedPeriod
Namespace Prefix: | homb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans collateralized by first liens on real estate balloon payments due period. + References No definition available. + Details
Name: | homb_LoansCollateralizedByFirstLiensOnRealEstateBalloonPaymentsDuePeriod
Namespace Prefix: | homb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum Amount Of Loan Assessed For Impairment On Quarterly Basis + References No definition available. + Details
Name: | homb_MinimumAmountOfLoanAssessedForImpairmentOnQuarterlyBasis
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of revolving loans convert to term loans. + References No definition available. + Details
Name: | homb_NumberOfRevolvingLoansConvertToTermLoans
Namespace Prefix: | homb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of loan value of improved property. + References No definition available. + Details
Name: | homb_PercentageOfLoanValueOfImprovedProperty
Namespace Prefix: | homb_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of loan value of land to be acquired and developed. + References No definition available. + Details
Name: | homb_PercentageOfLoanValueOfLandToBeAcquiredAndDeveloped
Namespace Prefix: | homb_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of loan value of raw land. + References No definition available. + Details
Name: | homb_PercentageOfLoanValueOfRawLand
Namespace Prefix: | homb_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Provision For Loan Losses Expensed on Unfunded Commitments + References No definition available. + Details
Name: | homb_ProvisionForLoanLossesExpensedOnUnfundedCommitments
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Provision for Loan Losses Expensed on Unfunded Commitments Expense (Reversal) + References No definition available. + Details
Name: | homb_ProvisionForLoanLossesExpensedOnUnfundedCommitmentsExpenseReversal
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revolver loans converted to term loans. + References No definition available. + Details
Name: | homb_RevolverLoansConvertedToTermLoans
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable 12 months after modification for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPast12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before troubled debt restructuring, of financing receivable to be modified. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableNonaccrualNoAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of financing receivable balance that is past due. + References No definition available. + Details
Name: | us-gaap_FinancingReceivablePercentPastDue1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-15 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_ProvisionForLoanLossesExpensed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis=us-gaap_HurricaneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationNameAxis=homb_BorrowersExperiencingFinancialDifficultyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=homb_ConstructionLandDevelopmentAndOtherCommercialRealEstateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=homb_ResidentialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=homb_CommercialAndIndustrialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |