2023 Q4 Form 10-Q Financial Statement

#000155837023017384 Filed on November 02, 2023

View on sec.gov

Income Statement

Concept 2023 Q4 2023 Q3
Revenue $204.2M
YoY Change 40.73%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $5.582M $5.500M
YoY Change 2.12% 1.38%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense $36.85M
YoY Change 273.32%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income $135.7M $131.0M
YoY Change 0.62% 23.48%
Income Tax $29.36M $27.77M
% Of Pretax Income 21.63% 21.19%
Net Earnings $106.4M $103.3M
YoY Change 0.91% 23.88%
Net Earnings / Revenue 50.58%
Basic Earnings Per Share $1.66
Diluted Earnings Per Share $1.71 $1.66
COMMON SHARES
Basic Shares Outstanding 62.06M 62.05M
Diluted Shares Outstanding 62.20M

Balance Sheet

Concept 2023 Q4 2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents $651.1M $698.6M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment $437.1M $434.3M
YoY Change 1.27% 0.53%
Goodwill $282.5M $282.5M
YoY Change 0.0% 0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets $15.07B $14.91B
YoY Change -2.81% -7.38%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt $530.4M $504.0M
YoY Change 23.01% -0.62%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $530.4M $504.0M
YoY Change 23.01% -0.62%
LONG-TERM LIABILITIES
Long-Term Debt $108.9M $109.0M
YoY Change -19.14% -19.04%
Other Long-Term Liabilities $143.8M $174.0M
YoY Change -34.6% -4.6%
Total Long-Term Liabilities $252.7M $283.0M
YoY Change -28.73% -10.73%
TOTAL LIABILITIES
Total Short-Term Liabilities $530.4M $504.0M
Total Long-Term Liabilities $252.7M $283.0M
Total Liabilities $12.62B $12.71B
YoY Change -6.23% -10.09%
SHAREHOLDERS EQUITY
Retained Earnings $3.029B $2.923B
YoY Change 12.37% 12.84%
Common Stock $96.47M $96.44M
YoY Change 0.05% 0.06%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $2.448B $2.194B
YoY Change
Total Liabilities & Shareholders Equity $15.07B $14.91B
YoY Change -2.81% -7.38%

Cashflow Statement

Concept 2023 Q4 2023 Q3
OPERATING ACTIVITIES
Net Income $106.4M $103.3M
YoY Change 0.91% 23.88%
Depreciation, Depletion And Amortization $5.582M $5.500M
YoY Change 2.12% 1.38%
Cash From Operating Activities $132.8M $113.8M
YoY Change 33.53% -6.05%
INVESTING ACTIVITIES
Capital Expenditures $8.418M $9.200M
YoY Change 31.22% -317.65%
Acquisitions
YoY Change
Other Investing Activities -$106.3M -$436.3M
YoY Change -79.87% 153.11%
Cash From Investing Activities -$114.7M -$445.5M
YoY Change -78.54% 152.26%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -65.58M 4.900M
YoY Change -90.9% -104.17%
NET CHANGE
Cash From Operating Activities 132.8M 113.8M
Cash From Investing Activities -114.7M -445.5M
Cash From Financing Activities -65.58M 4.900M
Net Change In Cash -47.55M -326.8M
YoY Change -95.89% 89.03%
FREE CASH FLOW
Cash From Operating Activities $132.8M $113.8M
Capital Expenditures $8.418M $9.200M
Free Cash Flow $124.4M $104.6M
YoY Change 33.69% -16.55%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2023Q3 ecd Non Rule10b51 Arr Adopted Flag
NonRule10b51ArrAdoptedFlag
false
CY2023Q3 ecd Rule10b51 Arr Adopted Flag
Rule10b51ArrAdoptedFlag
false
CY2023Q3 ecd Non Rule10b51 Arr Trmntd Flag
NonRule10b51ArrTrmntdFlag
false
CY2023Q3 ecd Rule10b51 Arr Trmntd Flag
Rule10b51ArrTrmntdFlag
false
dei Entity Central Index Key
EntityCentralIndexKey
0000315709
dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2023
dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
Q3
dei Amendment Flag
AmendmentFlag
false
dei Document Type
DocumentType
10-Q
dei Document Quarterly Report
DocumentQuarterlyReport
true
dei Document Period End Date
DocumentPeriodEndDate
2023-09-30
dei Document Transition Report
DocumentTransitionReport
false
dei Entity File Number
EntityFileNumber
000-09439
dei Entity Registrant Name
EntityRegistrantName
INTERNATIONAL BANCSHARES CORPORATION
dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
TX
dei Entity Tax Identification Number
EntityTaxIdentificationNumber
74-2157138
dei Entity Address Address Line1
EntityAddressAddressLine1
1200 San Bernardo Avenue
dei Entity Address City Or Town
EntityAddressCityOrTown
Laredo
dei Entity Address State Or Province
EntityAddressStateOrProvince
TX
dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
78042-1359
dei City Area Code
CityAreaCode
956
dei Local Phone Number
LocalPhoneNumber
722-7611
dei Security12b Title
Security12bTitle
Common Stock, $1.00 par value
dei Trading Symbol
TradingSymbol
IBOC
dei Security Exchange Name
SecurityExchangeName
NASDAQ
dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
dei Entity Small Business
EntitySmallBusiness
false
dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
dei Entity Shell Company
EntityShellCompany
false
CY2023Q4 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
62058463
CY2023Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
698611000
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
2087724000
CY2023Q3 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2022Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2023Q3 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
3400000
CY2022Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
3400000
CY2023Q3 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
5388257000
CY2022Q4 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
5018996000
CY2023Q3 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
4691938000
CY2022Q4 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
4417796000
CY2023Q3 us-gaap Equity Securities Fv Ni Current And Noncurrent
EquitySecuritiesFvNiCurrentAndNoncurrent
5158000
CY2022Q4 us-gaap Equity Securities Fv Ni Current And Noncurrent
EquitySecuritiesFvNiCurrentAndNoncurrent
5358000
CY2023Q3 us-gaap Short Term Investments
ShortTermInvestments
4700496000
CY2022Q4 us-gaap Short Term Investments
ShortTermInvestments
4426554000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
7896899000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
7430603000
CY2023Q3 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
149006000
CY2022Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
125972000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
7747893000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
7304631000
CY2023Q3 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
434258000
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
431612000
CY2023Q3 us-gaap Interest Receivable
InterestReceivable
57659000
CY2022Q4 us-gaap Interest Receivable
InterestReceivable
45787000
CY2023Q3 us-gaap Other Long Term Investments
OtherLongTermInvestments
368690000
CY2022Q4 us-gaap Other Long Term Investments
OtherLongTermInvestments
358910000
CY2023Q3 us-gaap Cash Surrender Value Of Life Insurance
CashSurrenderValueOfLifeInsurance
303752000
CY2022Q4 us-gaap Cash Surrender Value Of Life Insurance
CashSurrenderValueOfLifeInsurance
300589000
CY2023Q3 us-gaap Goodwill
Goodwill
282532000
CY2022Q4 us-gaap Goodwill
Goodwill
282532000
CY2023Q3 us-gaap Other Assets
OtherAssets
314051000
CY2022Q4 us-gaap Other Assets
OtherAssets
263137000
CY2023Q3 us-gaap Assets
Assets
14907942000
CY2022Q4 us-gaap Assets
Assets
15501476000
CY2023Q3 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
5216418000
CY2022Q4 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
5846055000
CY2023Q3 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
4357335000
CY2022Q4 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
4745768000
CY2023Q3 us-gaap Time Deposits
TimeDeposits
2342856000
CY2022Q4 us-gaap Time Deposits
TimeDeposits
2068184000
CY2023Q3 us-gaap Deposits
Deposits
11916609000
CY2022Q4 us-gaap Deposits
Deposits
12660007000
CY2023Q3 us-gaap Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
504281000
CY2022Q4 us-gaap Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
431191000
CY2023Q3 us-gaap Advances From Federal Home Loan Banks
AdvancesFromFederalHomeLoanBanks
10796000
CY2022Q4 us-gaap Advances From Federal Home Loan Banks
AdvancesFromFederalHomeLoanBanks
10944000
CY2023Q3 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
108868000
CY2022Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
134642000
CY2023Q3 us-gaap Other Liabilities
OtherLiabilities
173777000
CY2022Q4 us-gaap Other Liabilities
OtherLiabilities
219933000
CY2023Q3 us-gaap Liabilities
Liabilities
12714331000
CY2022Q4 us-gaap Liabilities
Liabilities
13456717000
CY2023Q3 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1.00
CY2022Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1.00
CY2023Q3 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
275000000
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
275000000
CY2023Q3 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
96444492
CY2022Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
96420456
CY2023Q3 us-gaap Common Stock Value
CommonStockValue
96444000
CY2022Q4 us-gaap Common Stock Value
CommonStockValue
96420000
CY2023Q3 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
154946000
CY2022Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
154061000
CY2023Q3 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
2922712000
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
2695567000
CY2023Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-545212000
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-470497000
CY2023Q3 us-gaap Stockholders Equity Before Treasury Stock
StockholdersEquityBeforeTreasuryStock
2628890000
CY2022Q4 us-gaap Stockholders Equity Before Treasury Stock
StockholdersEquityBeforeTreasuryStock
2475551000
CY2023Q3 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
34388679
CY2022Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
34278617
CY2023Q3 us-gaap Treasury Stock Common Value
TreasuryStockCommonValue
435279000
CY2022Q4 us-gaap Treasury Stock Common Value
TreasuryStockCommonValue
430792000
CY2023Q3 us-gaap Stockholders Equity
StockholdersEquity
2193611000
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
2044759000
CY2023Q3 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
14907942000
CY2022Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
15501476000
CY2023Q3 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
158534000
CY2022Q3 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
104818000
us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
453700000
us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
273936000
CY2023Q3 us-gaap Interest Income Securities Taxable
InterestIncomeSecuritiesTaxable
34598000
CY2022Q3 us-gaap Interest Income Securities Taxable
InterestIncomeSecuritiesTaxable
20718000
us-gaap Interest Income Securities Taxable
InterestIncomeSecuritiesTaxable
96582000
us-gaap Interest Income Securities Taxable
InterestIncomeSecuritiesTaxable
50846000
CY2023Q3 us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
1561000
CY2022Q3 us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
625000
us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
4708000
us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
1326000
CY2023Q3 us-gaap Other Interest And Dividend Income
OtherInterestAndDividendIncome
9482000
CY2022Q3 us-gaap Other Interest And Dividend Income
OtherInterestAndDividendIncome
18926000
us-gaap Other Interest And Dividend Income
OtherInterestAndDividendIncome
35458000
us-gaap Other Interest And Dividend Income
OtherInterestAndDividendIncome
24995000
CY2023Q3 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
204175000
CY2022Q3 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
145087000
us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
590448000
us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
351103000
CY2023Q3 us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
15042000
CY2022Q3 us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
3323000
us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
41514000
us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
5720000
CY2023Q3 us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
15610000
CY2022Q3 us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
2530000
us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
34067000
us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
7311000
CY2023Q3 us-gaap Interest Expense Securities Sold Under Agreements To Repurchase
InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
4143000
CY2022Q3 us-gaap Interest Expense Securities Sold Under Agreements To Repurchase
InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
665000
us-gaap Interest Expense Securities Sold Under Agreements To Repurchase
InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
9580000
us-gaap Interest Expense Securities Sold Under Agreements To Repurchase
InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
1090000
CY2023Q3 us-gaap Interest Expense Other Domestic Deposits
InterestExpenseOtherDomesticDeposits
71000
CY2022Q3 us-gaap Interest Expense Other Domestic Deposits
InterestExpenseOtherDomesticDeposits
1926000
us-gaap Interest Expense Other Domestic Deposits
InterestExpenseOtherDomesticDeposits
213000
us-gaap Interest Expense Other Domestic Deposits
InterestExpenseOtherDomesticDeposits
5721000
CY2023Q3 us-gaap Interest Expense Junior Subordinated Debentures
InterestExpenseJuniorSubordinatedDebentures
1981000
CY2022Q3 us-gaap Interest Expense Junior Subordinated Debentures
InterestExpenseJuniorSubordinatedDebentures
1426000
us-gaap Interest Expense Junior Subordinated Debentures
InterestExpenseJuniorSubordinatedDebentures
6106000
us-gaap Interest Expense Junior Subordinated Debentures
InterestExpenseJuniorSubordinatedDebentures
3097000
CY2023Q3 us-gaap Interest Expense
InterestExpense
36847000
CY2022Q3 us-gaap Interest Expense
InterestExpense
9870000
us-gaap Interest Expense
InterestExpense
91480000
us-gaap Interest Expense
InterestExpense
22939000
CY2023Q3 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
167328000
CY2022Q3 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
135217000
us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
498968000
us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
328164000
CY2023Q3 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
10476000
CY2022Q3 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
8525000
us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
27879000
us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
13741000
CY2023Q3 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
156852000
CY2022Q3 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
126692000
us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
471089000
us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
314423000
CY2023Q3 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-3000
us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-3000
CY2023Q3 us-gaap Noninterest Income Other
NoninterestIncomeOther
3598000
CY2022Q3 us-gaap Noninterest Income Other
NoninterestIncomeOther
6962000
us-gaap Noninterest Income Other
NoninterestIncomeOther
3653000
us-gaap Noninterest Income Other
NoninterestIncomeOther
11063000
CY2023Q3 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
5863000
CY2022Q3 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
9989000
us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
15262000
us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
27879000
CY2023Q3 us-gaap Noninterest Income
NoninterestIncome
45385000
CY2022Q3 us-gaap Noninterest Income
NoninterestIncome
54602000
us-gaap Noninterest Income
NoninterestIncome
123449000
us-gaap Noninterest Income
NoninterestIncome
141356000
CY2023Q3 us-gaap Labor And Related Expense
LaborAndRelatedExpense
34773000
CY2022Q3 us-gaap Labor And Related Expense
LaborAndRelatedExpense
34341000
us-gaap Labor And Related Expense
LaborAndRelatedExpense
100926000
us-gaap Labor And Related Expense
LaborAndRelatedExpense
96505000
CY2023Q3 us-gaap Occupancy Net
OccupancyNet
6268000
CY2022Q3 us-gaap Occupancy Net
OccupancyNet
7821000
us-gaap Occupancy Net
OccupancyNet
18598000
us-gaap Occupancy Net
OccupancyNet
20282000
CY2023Q3 us-gaap Depreciation Nonproduction
DepreciationNonproduction
5488000
CY2022Q3 us-gaap Depreciation Nonproduction
DepreciationNonproduction
5425000
us-gaap Depreciation Nonproduction
DepreciationNonproduction
16362000
us-gaap Depreciation Nonproduction
DepreciationNonproduction
16355000
CY2023Q3 us-gaap Professional Fees
ProfessionalFees
4123000
CY2022Q3 us-gaap Professional Fees
ProfessionalFees
3087000
us-gaap Professional Fees
ProfessionalFees
11051000
us-gaap Professional Fees
ProfessionalFees
8347000
CY2023Q3 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
1744000
CY2022Q3 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
2026000
us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
7575000
us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
5062000
CY2023Q3 us-gaap Other Revenue Expense From Real Estate Operations
OtherRevenueExpenseFromRealEstateOperations
1638000
CY2022Q3 us-gaap Other Revenue Expense From Real Estate Operations
OtherRevenueExpenseFromRealEstateOperations
253000
us-gaap Other Revenue Expense From Real Estate Operations
OtherRevenueExpenseFromRealEstateOperations
3278000
us-gaap Other Revenue Expense From Real Estate Operations
OtherRevenueExpenseFromRealEstateOperations
708000
CY2023Q3 us-gaap Advertising Expense
AdvertisingExpense
1360000
CY2022Q3 us-gaap Advertising Expense
AdvertisingExpense
1476000
us-gaap Advertising Expense
AdvertisingExpense
3913000
us-gaap Advertising Expense
AdvertisingExpense
4371000
CY2023Q3 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
5081000
CY2022Q3 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
4089000
us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
14978000
us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
12638000
CY2023Q3 us-gaap Other Noninterest Expense
OtherNoninterestExpense
14001000
CY2022Q3 us-gaap Other Noninterest Expense
OtherNoninterestExpense
17161000
us-gaap Other Noninterest Expense
OtherNoninterestExpense
36638000
us-gaap Other Noninterest Expense
OtherNoninterestExpense
45195000
CY2023Q3 us-gaap Noninterest Expense
NoninterestExpense
71200000
CY2022Q3 us-gaap Noninterest Expense
NoninterestExpense
75173000
us-gaap Noninterest Expense
NoninterestExpense
206763000
us-gaap Noninterest Expense
NoninterestExpense
208047000
CY2023Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
131037000
CY2022Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
106121000
us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
387775000
us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
247732000
CY2023Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
27773000
CY2022Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
22765000
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
82383000
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
52912000
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
103264000
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
83356000
us-gaap Net Income Loss
NetIncomeLoss
305392000
us-gaap Net Income Loss
NetIncomeLoss
194820000
CY2023Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62653563
CY2022Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62226521
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62089779
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
62838831
CY2023Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.66
CY2022Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.34
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
4.92
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.10
CY2023Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62195486
CY2022Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62371475
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62227379
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
62980934
CY2023Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.66
CY2022Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.34
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
4.91
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
3.09
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
103264000
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
83356000
us-gaap Net Income Loss
NetIncomeLoss
305392000
us-gaap Net Income Loss
NetIncomeLoss
194820000
CY2023Q3 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-16721000
CY2022Q3 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-47326000
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-19862000
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-112388000
CY2023Q3 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-62902000
CY2022Q3 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-178037000
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-74717000
us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-422792000
CY2023Q3 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
1000
CY2022Q3 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
0
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
1000
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
0
CY2023Q3 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
-2000
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
-2000
CY2023Q3 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-62900000
CY2022Q3 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-178037000
us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-74715000
us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-422792000
CY2023Q3 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
40364000
CY2022Q3 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
-94681000
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
230677000
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
-227972000
CY2023Q2 us-gaap Stockholders Equity
StockholdersEquity
2191991000
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
103264000
CY2023Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.63
CY2023Q3 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
39096000
CY2023Q3 us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
2000
CY2023Q3 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
84000
CY2023Q3 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
360000
CY2023Q3 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
76000
CY2023Q3 iboc Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Net Of Reclassification Adjustment
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringNetOfReclassificationAdjustment
-62900000
CY2023Q3 us-gaap Stockholders Equity
StockholdersEquity
2193611000
CY2022Q2 us-gaap Stockholders Equity
StockholdersEquity
2097231000
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
83356000
CY2022Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.60
CY2022Q3 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
37349000
CY2022Q3 us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
283270
CY2022Q3 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
11390000
CY2022Q3 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
345000
CY2022Q3 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
118000
CY2022Q3 iboc Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Net Of Reclassification Adjustment
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringNetOfReclassificationAdjustment
-178037000
CY2022Q3 us-gaap Stockholders Equity
StockholdersEquity
1954274000
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
2044759000
us-gaap Net Income Loss
NetIncomeLoss
305392000
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.26
us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
78247000
us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
110062
us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
4487000
us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
654000
us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
255000
iboc Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Net Of Reclassification Adjustment
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringNetOfReclassificationAdjustment
-74715000
CY2023Q3 us-gaap Stockholders Equity
StockholdersEquity
2193611000
CY2021Q4 us-gaap Stockholders Equity
StockholdersEquity
2308481000
us-gaap Net Income Loss
NetIncomeLoss
194820000
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.20
us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
75375000
us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
1297098
us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
51939000
us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
732000
us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
347000
iboc Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Net Of Reclassification Adjustment
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringNetOfReclassificationAdjustment
-422792000
CY2022Q3 us-gaap Stockholders Equity
StockholdersEquity
1954274000
us-gaap Profit Loss
ProfitLoss
305392000
us-gaap Profit Loss
ProfitLoss
194820000
us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
27879000
us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
13741000
us-gaap Other Real Estate Covered Valuation Adjustments
OtherRealEstateCoveredValuationAdjustments
-2510000
us-gaap Other Real Estate Covered Valuation Adjustments
OtherRealEstateCoveredValuationAdjustments
-416000
us-gaap Depreciation Nonproduction
DepreciationNonproduction
16362000
us-gaap Depreciation Nonproduction
DepreciationNonproduction
16355000
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
198000
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
3426000
us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
6833000
us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
1781000
iboc Accretion Of Discounts Investments
AccretionOfDiscountsInvestments
1431000
iboc Accretion Of Discounts Investments
AccretionOfDiscountsInvestments
1257000
iboc Amortization Of Investment Securities Premiums
AmortizationOfInvestmentSecuritiesPremiums
5244000
iboc Amortization Of Investment Securities Premiums
AmortizationOfInvestmentSecuritiesPremiums
11617000
us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-3000
us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
-200000
us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
-728000
us-gaap Share Based Compensation
ShareBasedCompensation
255000
us-gaap Share Based Compensation
ShareBasedCompensation
347000
us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
367000
us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
9960000
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
4747000
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-1838000
us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
11872000
us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
6483000
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
38158000
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
7325000
us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
37927000
us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
82553000
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
341660000
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
288507000
us-gaap Proceeds From Maturities Prepayments And Calls Of Other Investments
ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments
51167000
us-gaap Proceeds From Maturities Prepayments And Calls Of Other Investments
ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments
2200000
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
2045000
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
800000
us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
980571000
us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
1160632000
us-gaap Proceeds From Maturities Prepayments And Calls Of Mortgage Backed Securities Mbs
ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS
474282000
us-gaap Proceeds From Maturities Prepayments And Calls Of Mortgage Backed Securities Mbs
ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS
605706000
us-gaap Payments For Proceeds From Loans And Leases
PaymentsForProceedsFromLoansAndLeases
471695000
us-gaap Payments For Proceeds From Loans And Leases
PaymentsForProceedsFromLoansAndLeases
-153278000
us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
25431000
us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
72799000
iboc Distributions From Other Investments
DistributionsFromOtherInvestments
8773000
iboc Distributions From Other Investments
DistributionsFromOtherInvestments
5995000
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
19079000
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
12798000
us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
269000
us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
12523000
us-gaap Proceeds From Sale Of Other Real Estate
ProceedsFromSaleOfOtherRealEstate
7777000
us-gaap Proceeds From Sale Of Other Real Estate
ProceedsFromSaleOfOtherRealEstate
8427000
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-952463000
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-457300000
iboc Increase Decrease In Noninterest Bearing Demand Deposits
IncreaseDecreaseInNoninterestBearingDemandDeposits
-629637000
iboc Increase Decrease In Noninterest Bearing Demand Deposits
IncreaseDecreaseInNoninterestBearingDemandDeposits
162603000
iboc Increase Decrease In Saving And Interest Bearing Demand Deposits
IncreaseDecreaseInSavingAndInterestBearingDemandDeposits
-388433000
iboc Increase Decrease In Saving And Interest Bearing Demand Deposits
IncreaseDecreaseInSavingAndInterestBearingDemandDeposits
158665000
us-gaap Increase Decrease In Time Deposits
IncreaseDecreaseInTimeDeposits
274672000
us-gaap Increase Decrease In Time Deposits
IncreaseDecreaseInTimeDeposits
-58630000
us-gaap Proceeds From Payments For In Securities Sold Under Agreements To Repurchase
ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase
73090000
us-gaap Proceeds From Payments For In Securities Sold Under Agreements To Repurchase
ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase
67471000
us-gaap Increase Decrease In Loans From Other Federal Home Loan Banks
IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks
-148000
us-gaap Increase Decrease In Loans From Other Federal Home Loan Banks
IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks
-145000
us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
25774000
us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
4487000
us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
51939000
us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
654000
us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
732000
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
78247000
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
75375000
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-778310000
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
203382000
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-1389113000
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
34589000
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
2087724000
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
3209242000
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
698611000
CY2022Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
3243831000
us-gaap Interest Paid Net
InterestPaidNet
77834000
us-gaap Interest Paid Net
InterestPaidNet
21604000
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
69799000
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
1980000
us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
554000
us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
204000
iboc Transfer From Bank Premise And Equipment To Other Assets
TransferFromBankPremiseAndEquipmentToOtherAssets
2476000
us-gaap Number Of Operating Segments
NumberOfOperatingSegments
1
iboc Number Of Active Operating Subsidiaries
NumberOfActiveOperatingSubsidiaries
5
CY2023Q3 iboc Impaired Financing Receivable Recorded Investment Fair Value Disclosure
ImpairedFinancingReceivableRecordedInvestmentFairValueDisclosure
29899000
CY2023Q3 iboc Impaired Commercial Collateral Financing Receivable Appraisals To Determine Fair Value
ImpairedCommercialCollateralFinancingReceivableAppraisalsToDetermineFairValue
0
CY2023Q3 iboc Impaired Collateral Dependent Commercial Loans With Internal Evaluation Completed Within Last Twelve Months
ImpairedCollateralDependentCommercialLoansWithInternalEvaluationCompletedWithinLastTwelveMonths
29899000
CY2022Q4 iboc Impaired Financing Receivable Recorded Investment Fair Value Disclosure
ImpairedFinancingReceivableRecordedInvestmentFairValueDisclosure
51326000
CY2022Q4 iboc Impaired Commercial Collateral Financing Receivable Appraisals To Determine Fair Value
ImpairedCommercialCollateralFinancingReceivableAppraisalsToDetermineFairValue
0
CY2022Q4 iboc Impaired Collateral Dependent Commercial Loans With Internal Evaluation Completed Within Last Twelve Months
ImpairedCollateralDependentCommercialLoansWithInternalEvaluationCompletedWithinLastTwelveMonths
51326000
CY2023Q3 iboc Allowance For Loan And Lease Losses Period Increase Decrease Loans Transferred To Other Real Estate Owned
AllowanceForLoanAndLeaseLossesPeriodIncreaseDecreaseLoansTransferredToOtherRealEstateOwned
0
iboc Allowance For Loan And Lease Losses Period Increase Decrease Loans Transferred To Other Real Estate Owned
AllowanceForLoanAndLeaseLossesPeriodIncreaseDecreaseLoansTransferredToOtherRealEstateOwned
0
CY2022 iboc Allowance For Loan And Lease Losses Period Increase Decrease Loans Transferred To Other Real Estate Owned
AllowanceForLoanAndLeaseLossesPeriodIncreaseDecreaseLoansTransferredToOtherRealEstateOwned
2000
CY2023Q3 iboc Allowance For Loan Lease Losses Write Offs Prior To Foreclosure
AllowanceForLoanLeaseLossesWriteOffsPriorToForeclosure
2213000
iboc Allowance For Loan Lease Losses Write Offs Prior To Foreclosure
AllowanceForLoanLeaseLossesWriteOffsPriorToForeclosure
2510000
CY2022 iboc Allowance For Loan Lease Losses Write Offs Prior To Foreclosure
AllowanceForLoanLeaseLossesWriteOffsPriorToForeclosure
1627000
CY2023Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
39.35
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms
P8Y9M
CY2023Q3 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding
SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
1890000
CY2023Q3 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss
3400000
CY2023Q3 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
7896899000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
7430603000
CY2023Q2 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
140503000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
2569000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
596000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery
1973000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
10476000
CY2023Q3 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
149006000
CY2022Q2 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
112572000
CY2022Q3 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
2626000
CY2022Q3 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
724000
CY2022Q3 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery
1902000
CY2022Q3 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
8525000
CY2022Q3 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
119195000
CY2022Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
125972000
us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
7584000
us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
2739000
us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery
4845000
us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
27879000
CY2023Q3 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
149006000
CY2021Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
110374000
us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
7047000
us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
2127000
us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery
4920000
us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
13741000
CY2022Q3 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
119195000
CY2023Q3 us-gaap Financing Receivable Individually Evaluated For Impairment
FinancingReceivableIndividuallyEvaluatedForImpairment
42177000
CY2023Q3 iboc Financing Receivable Individually Evaluated For Impairment Allowance For Credit Losses
FinancingReceivableIndividuallyEvaluatedForImpairmentAllowanceForCreditLosses
7651000
CY2023Q3 us-gaap Financing Receivable Collectively Evaluated For Impairment
FinancingReceivableCollectivelyEvaluatedForImpairment
7854722000
CY2023Q3 iboc Financing Receivable Collectively Evaluated For Impairment Allowance For Credit Losses
FinancingReceivableCollectivelyEvaluatedForImpairmentAllowanceForCreditLosses
141355000
CY2022Q4 us-gaap Financing Receivable Individually Evaluated For Impairment
FinancingReceivableIndividuallyEvaluatedForImpairment
51830000
CY2022Q4 iboc Financing Receivable Individually Evaluated For Impairment Allowance For Credit Losses
FinancingReceivableIndividuallyEvaluatedForImpairmentAllowanceForCreditLosses
2445000
CY2022Q4 us-gaap Financing Receivable Collectively Evaluated For Impairment
FinancingReceivableCollectivelyEvaluatedForImpairment
7378773000
CY2022Q4 iboc Financing Receivable Collectively Evaluated For Impairment Allowance For Credit Losses
FinancingReceivableCollectivelyEvaluatedForImpairmentAllowanceForCreditLosses
123527000
CY2023Q3 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
3400000
CY2023Q3 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
5388257000
CY2023Q3 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
696319000
CY2023Q3 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
41997000
CY2022Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
51648000
CY2022Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
3213000
CY2023Q3 us-gaap Financing Receivable Threshold Period Past Due Writeoff
FinancingReceivableThresholdPeriodPastDueWriteoff
P90D
CY2023Q3 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
4680000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
7896899000
CY2022Q4 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
6132000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
7430603000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
2757552000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
2106857000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
1416323000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
682719000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
362174000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
571274000
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
7896899000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
3048975000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
2081483000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
988625000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
543277000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
468848000
CY2022Q4 iboc Financing Receivable Excluding Accrued Interest Originated Morethan Six Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestOriginatedMorethanSixYearsBeforeCurrentFiscalYear
299395000
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
7430603000
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
489250
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
39.35
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Forfeitures
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures
16000
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
39.33
CY2023Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
473250
CY2022Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss
3400000
CY2022Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2022Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
3400000
CY2022Q4 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
5018996000
CY2022Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
4072000
CY2022Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
605272000
CY2023Q3 us-gaap Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date Rolling Within One Year
DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateRollingWithinOneYear
2075000
CY2023Q3 us-gaap Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value
HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
2075000
CY2023Q3 us-gaap Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date Rolling After One Through Five Years
DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYears
1325000
CY2023Q3 us-gaap Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value
HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
1325000
CY2023Q3 iboc Debt Securities Available For Sale Maturity Excluding Accrued Interest Allocated And Single Maturity Date Rolling After5 Through10 Years Amortized Cost
DebtSecuritiesAvailableForSaleMaturityExcludingAccruedInterestAllocatedAndSingleMaturityDateRollingAfter5Through10YearsAmortizedCost
440000
CY2023Q3 us-gaap Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue
431000
CY2023Q3 iboc Debt Securities Available For Sale Maturity Excluding Accrued Interest Allocated And Single Maturity Date Rolling After10 Years Amortized Cost
DebtSecuritiesAvailableForSaleMaturityExcludingAccruedInterestAllocatedAndSingleMaturityDateRollingAfter10YearsAmortizedCost
160678000
CY2023Q3 us-gaap Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue
145907000
CY2023Q3 iboc Debt Securities Available For Sale Excluding Accrued Interest Maturity Without Single Maturity Date Amortized Cost
DebtSecuritiesAvailableForSaleExcludingAccruedInterestMaturityWithoutSingleMaturityDateAmortizedCost
5227139000
CY2023Q3 us-gaap Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
4545600000
CY2023Q3 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
3400000
CY2023Q3 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2023Q3 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
5388257000
CY2023Q3 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
4691938000
CY2023Q3 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
1595000
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
2045000
CY2023Q3 us-gaap Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale
ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale
0
us-gaap Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale
ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale
0
CY2023Q3 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
CY2023Q3 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
3
us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
3
CY2022Q3 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
800000
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
800000
CY2022Q3 us-gaap Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale
ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale
0
us-gaap Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale
ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale
0
CY2022Q3 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
CY2022Q3 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
0
us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
0
CY2023Q3 us-gaap Equity Securities Fv Ni Current And Noncurrent
EquitySecuritiesFvNiCurrentAndNoncurrent
5158000
CY2022Q4 us-gaap Equity Securities Fv Ni Current And Noncurrent
EquitySecuritiesFvNiCurrentAndNoncurrent
5358000
CY2023Q3 us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
-142000
CY2023Q3 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
-142000
CY2022Q3 us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
-230000
CY2022Q3 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
-230000
us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
-200000
us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
-200000
us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
-728000
us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
-728000
CY2023Q3 us-gaap Advances From Federal Home Loan Banks
AdvancesFromFederalHomeLoanBanks
10796000
CY2022Q4 us-gaap Advances From Federal Home Loan Banks
AdvancesFromFederalHomeLoanBanks
10944000
iboc Number Of Statutory Business Trusts Issuing Preferred Securities
NumberOfStatutoryBusinessTrustsIssuingPreferredSecurities
4
iboc Number Of Statutory Business Trusts Issuing Preferred Securities
NumberOfStatutoryBusinessTrustsIssuingPreferredSecurities
4
CY2023Q3 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
108868000
CY2022Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
134642000
iboc Maximum Number Of Consecutive Quarterly Periods Available For Deferral Of Payment Of Interest
MaximumNumberOfConsecutiveQuarterlyPeriodsAvailableForDeferralOfPaymentOfInterest
20
iboc Maximum Percentage Of Capital Securities Issued By Trust Qualifying As Tier One Capital
MaximumPercentageOfCapitalSecuritiesIssuedByTrustQualifyingAsTierOneCapital
0.25
iboc Minimum Percentage Of Capital Securities Issued By Trust Qualifying As Tier Two Capital
MinimumPercentageOfCapitalSecuritiesIssuedByTrustQualifyingAsTierTwoCapital
0.25
CY2023Q3 iboc Capital Securities Issued By Trust Qualifying As Tier One Capital
CapitalSecuritiesIssuedByTrustQualifyingAsTierOneCapital
108868000
CY2022Q4 iboc Capital Securities Issued By Trust Qualifying As Tier One Capital
CapitalSecuritiesIssuedByTrustQualifyingAsTierOneCapital
134642000
CY2023Q3 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
108868000
CY2023Q1 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.63
CY2023Q3 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.63
CY2022Q1 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.60
CY2022Q3 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.60
CY2009Q2 us-gaap Stock Repurchase Program Authorized Amount1
StockRepurchaseProgramAuthorizedAmount1
40000000
CY2009Q2 us-gaap Stock Repurchase Program Period In Force1
StockRepurchaseProgramPeriodInForce1
P12M
CY2023Q1 us-gaap Stock Repurchase Program Authorized Amount1
StockRepurchaseProgramAuthorizedAmount1
124000000
CY2023Q1 us-gaap Stock Repurchase Program Period In Force1
StockRepurchaseProgramPeriodInForce1
P12M
CY2023Q4 us-gaap Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
13694792
CY2023Q4 us-gaap Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
414306000
CY2023Q3 us-gaap Common Equity Tier One Capital Ratio
CommonEquityTierOneCapitalRatio
0.2097
CY2022Q4 us-gaap Common Equity Tier One Capital Ratio
CommonEquityTierOneCapitalRatio
0.2021
CY2023Q3 us-gaap Tier One Leverage Capital To Average Assets
TierOneLeverageCapitalToAverageAssets
0.1675
CY2022Q4 us-gaap Tier One Leverage Capital To Average Assets
TierOneLeverageCapitalToAverageAssets
0.1459
CY2023Q3 us-gaap Tier One Risk Based Capital To Risk Weighted Assets
TierOneRiskBasedCapitalToRiskWeightedAssets
0.2165
CY2022Q4 us-gaap Tier One Risk Based Capital To Risk Weighted Assets
TierOneRiskBasedCapitalToRiskWeightedAssets
0.2104
CY2023Q3 us-gaap Capital To Risk Weighted Assets
CapitalToRiskWeightedAssets
0.2289
CY2022Q4 us-gaap Capital To Risk Weighted Assets
CapitalToRiskWeightedAssets
0.2222
iboc Maximum Percentage Of Capital Securities Issued By Trust Qualifying As Tier One Capital
MaximumPercentageOfCapitalSecuritiesIssuedByTrustQualifyingAsTierOneCapital
0.25
iboc Minimum Percentage Of Capital Securities Issued By Trust Qualifying As Tier Two Capital
MinimumPercentageOfCapitalSecuritiesIssuedByTrustQualifyingAsTierTwoCapital
0.25
CY2023Q3 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
108868000

Files In Submission

Name View Source Status
0001558370-23-017384-index-headers.html Edgar Link pending
0001558370-23-017384-index.html Edgar Link pending
0001558370-23-017384.txt Edgar Link pending
0001558370-23-017384-xbrl.zip Edgar Link pending
Financial_Report.xlsx Edgar Link pending
iboc-20230930.xsd Edgar Link pending
iboc-20230930x10q.htm Edgar Link pending
iboc-20230930xex31da.htm Edgar Link pending
iboc-20230930xex31db.htm Edgar Link pending
iboc-20230930xex32da.htm Edgar Link pending
iboc-20230930xex32db.htm Edgar Link pending
MetaLinks.json Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
iboc-20230930_def.xml Edgar Link unprocessable
iboc-20230930_lab.xml Edgar Link unprocessable
iboc-20230930_pre.xml Edgar Link unprocessable
iboc-20230930x10q_htm.xml Edgar Link completed
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R6.htm Edgar Link pending
R7.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending
iboc-20230930_cal.xml Edgar Link unprocessable
FilingSummary.xml Edgar Link unprocessable