XML 72 R60.htm IDEA: XBRL DOCUMENT
v3.25.2

Allowance for Credit Losses, Credit Quality and Other - Additional Information (Detail) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) loan | Dec. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) loan | Dec. 31, 2024 USD ($) loan
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Net recoveries | $ (1,075,000) | $ (2,438,000) | $ 2,989,000 | $ (54,876,000) | $ (5,878,000) |
Provision for credit losses on loans | 3,000,000 | 8,000,000 | 3,000,000 |  | 13,500,000 |
Recovery of credit losses - unfunded commitments | 0 | 0 | 0 |  | 1,000,000 |
Financing receivable, modified specific reserve | 4,000,000 |  | 4,000,000 |  |  |
Nonaccrual | 89,261,000 |  | 89,261,000 | 93,853,000 |  | $ 93,853,000
Loans Past Due Over 90 Days Still Accruing | 7,031,000 |  | 7,031,000 | 5,034,000 |  | 5,034,000
Nonaccrual loans with specific reserve | 32,900,000 |  | 32,900,000 | 28,800,000 |  | 28,800,000
Interest income on nonaccrual loans |  |  | 0 |  | 0 |
Amortized cost | 246,200,000 |  | 246,200,000 | 268,000,000.0 |  | 268,000,000.0
Financing receivable, individually evaluated for credit loss, interest income | 3,000,000.0 | 368,000 | 6,000,000.0 |  | 737,000 |
Amount of loan assessed for impairment on a quarterly basis |  |  | 2,000,000.0 |  |  |
Revolver loans converted to term loans |  |  | $ 35,700,000 |  | $ 27,300,000 |
Number of revolving loans convert to term loans | loan |  |  | 103 |  | 114 |
Number of loans | loan |  |  | 6 |  | 8 |
Loans, ending balance | 4,100,000 | 968,000 | $ 4,100,000 |  | $ 968,000 |
Postmodification balance |  |  | 123,146,000 |  |  | $ 122,675,000
Financing receivable, modifications, underwritten the interest rate basis points |  |  |  |  |  | 0.0012
Loans payable | 116,800,000 |  | 116,800,000 |  |  |
Hurricane Deferred Loans |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Financing receivable, modified specific reserve | 6,000,000 |  | 6,000,000 | 33,400,000 |  | $ 33,400,000
13 Modified Loan Borrowers |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Financial receivable, excluding accrued interest, modified in period, premodification |  |  | 4,200,000 |  | 1,000,000.0 |
Borrowers Experiencing Financial Difficulty |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Financial receivable, excluding accrued interest, modified in period, premodification |  |  | $ 112,200,000 |  |  |
Number of loans | loan |  |  | 12 |  |  |
Loans, ending balance | 100,800,000 |  | $ 100,800,000 |  |  |
Loan balance, nonaccrual | 1,200,000 |  | $ 1,200,000 |  |  |
Three Modified Loans |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Number of loans | loan |  |  |  |  |  | 3
Postmodification balance |  |  |  |  |  | $ 96,300,000
Three New Loans Underwritten |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Number of loans | loan |  |  |  |  |  | 3
One Loan Charged-Off |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Number of loans | loan |  |  |  |  |  | 1
Financing receivable, modified ,one of loans charged off |  |  |  |  |  | $ 26,100,000
Modified Loans Collateral Dependent |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Number of loans | loan |  |  | 6 |  |  |
Total Past Due | Borrowers Experiencing Financial Difficulty |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Loans, ending balance | 99,600,000 |  | $ 99,600,000 |  |  |
Residential real estate loans |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Net recoveries | (42,000) | 17,000 | (66,000) | (6,764,000) | (123,000) |
Provision for credit losses on loans | 4,606,000 |  | 7,203,000 |  |  |
Commercial and industrial |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Net recoveries | (1,754,000) | $ (1,754,000) | (957,000) | (7,062,000) | $ (3,399,000) |
Provision for credit losses on loans | 2,213,000 |  | 11,917,000 |  |  |
Nonaccrual | 4,030,000 |  | 4,030,000 | 10,931,000 |  | 10,931,000
Loans Past Due Over 90 Days Still Accruing | $ 1,672,000 |  | 1,672,000 | $ 2,263,000 |  | 2,263,000
Postmodification balance |  |  | $ 67,245,000 |  |  | $ 69,871,000
Minimum | Construction / Land Development and Other Commercial Real Estate Loans |  |  |  |  |  |
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 |  |  |
Minimum | Commercial and industrial |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Commercial loans terms |  |  | 1 year |  |  |
Inventory financing percentage | 50.00% |  | 50.00% |  |  |
Minimum | Commercial and industrial | Loans Past Due 30-59 Days |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Accounts receivable financed percentage | 50.00% |  | 50.00% |  |  |
Maximum | Construction / Land Development and Other Commercial Real Estate Loans |  |  |  |  |  |
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% |  |  |
Maximum | Residential real estate loans |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Loan-to-value ratio |  |  | 90.00% |  |  |
Maximum | Commercial and industrial |  |  |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |  |  |
Commercial loans terms |  |  | 7 years |  |  |
Inventory financing percentage | 80.00% |  | 80.00% |  |  |
Maximum | Commercial and industrial | 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 Financial Receivable, Excluding Accrued Interest, Modified In Period, Premodification + References No definition available. + Details
Name: | homb_FinancialReceivableExcludingAccruedInterestModifiedInPeriodPremodification
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Financing receivable allowance for credit losses recovery (charged off). + References No definition available. + Details
Name: | homb_FinancingReceivableAllowanceForCreditLossesRecoveryChargedOff
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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 Financing Receivable, Individually Evaluated for Credit Loss, Interest Income + References No definition available. + Details
Name: | homb_FinancingReceivableIndividuallyEvaluatedForCreditLossInterestIncome
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Financing Receivable, Modified in Period, Charged Off Amount + References No definition available. + Details
Name: | homb_FinancingReceivableModifiedInPeriodChargedOffAmount
Namespace Prefix: | homb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Modified in Period, Interest Rate + References No definition available. + Details
Name: | homb_FinancingReceivableModifiedInPeriodInterestRate
Namespace Prefix: | homb_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Modified in Period, Number of Contracts + References No definition available. + Details
Name: | homb_FinancingReceivableModifiedInPeriodNumberOfContracts
Namespace Prefix: | homb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Modified in Period, Specific Reserve + References No definition available. + Details
Name: | homb_FinancingReceivableModifiedInPeriodSpecificReserve
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-types: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-types: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-types: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-types: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 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 -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 5: 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 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC + 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 of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 2: 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 Reference 3: 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_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income on financing receivable on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableNonaccrualInterestIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + 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 Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_LoansPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22 Reference 3: 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_LoanRestructuringModificationNameAxis=homb_HurricaneDeferredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationNameAxis=homb_A13ModifiedLoanBorrowersMember
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_LoanRestructuringModificationNameAxis=homb_ThreeModifiedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_LoanRestructuringModificationNameAxis=homb_ModifiedLoansCollateralDependentMember
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_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: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
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: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
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: |