$IBOC
International Bancshares Corp

2021 Q4 Form 10-K Financial Statement

#000155837022001922 Filed on February 24, 2022

View on sec.gov

Income Statement

Concept 2021 Q4 2021 2020 Q4
Revenue $398.1M
YoY Change -6.77%
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 $5.700M $25.00M $7.000M
YoY Change -18.57% -11.66% -2.78%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense $26.83M
YoY Change -31.41%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income $71.20M $322.3M $61.90M
YoY Change 15.02% 52.21% -5.21%
Income Tax $14.60M $68.41M $13.70M
% Of Pretax Income 20.51% 21.22% 22.13%
Net Earnings $56.50M $253.9M $48.20M
YoY Change 17.22% 51.76% -6.77%
Net Earnings / Revenue 63.78%
Basic Earnings Per Share $4.01
Diluted Earnings Per Share $889.8K $4.00 $760.3K
COMMON SHARES
Basic Shares Outstanding 63.37M 63.35M 63.28M
Diluted Shares Outstanding 63.49M

Balance Sheet

Concept 2021 Q4 2021 2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments $5.088B
YoY Change 39.61%
Cash & Equivalents $3.209B $1.997B
Short-Term Investments $3.090B
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment $447.1M $447.0M $479.9M
YoY Change -6.83% -6.88% -5.27%
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 $16.05B $16.05B $14.03B
YoY Change 14.38% 14.38% 15.82%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt $440.0M $440.0M $428.0M
YoY Change 2.8% 2.8% 80.59%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $440.0M $440.0M $428.0M
YoY Change 2.8% 2.8% 80.59%
LONG-TERM LIABILITIES
Long-Term Debt $135.0M $135.0M $135.0M
YoY Change 0.0% 0.0% 0.0%
Other Long-Term Liabilities $109.0M $97.00M $130.0M
YoY Change -16.15% -9.35% -23.98%
Total Long-Term Liabilities $244.0M $232.0M $265.0M
YoY Change -7.92% -4.13% -13.4%
TOTAL LIABILITIES
Total Short-Term Liabilities $440.0M $440.0M $428.0M
Total Long-Term Liabilities $244.0M $232.0M $265.0M
Total Liabilities $13.74B $13.74B $11.85B
YoY Change 15.92% 15.92% 18.58%
SHAREHOLDERS EQUITY
Retained Earnings $2.471B $2.290B
YoY Change 7.91% 4.05%
Common Stock $96.35M $96.24M
YoY Change 0.11% 0.03%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $2.308B $2.308B $2.178B
YoY Change
Total Liabilities & Shareholders Equity $16.05B $16.05B $14.03B
YoY Change 14.38% 14.38% 15.82%

Cashflow Statement

Concept 2021 Q4 2021 2020 Q4
OPERATING ACTIVITIES
Net Income $56.50M $253.9M $48.20M
YoY Change 17.22% 51.76% -6.77%
Depreciation, Depletion And Amortization $5.700M $25.00M $7.000M
YoY Change -18.57% -11.66% -2.78%
Cash From Operating Activities $67.30M $291.7M $90.30M
YoY Change -25.47% -4.41% -10.06%
INVESTING ACTIVITIES
Capital Expenditures -$4.300M $10.39M -$500.0K
YoY Change 760.0% 54.5% -91.38%
Acquisitions
YoY Change
Other Investing Activities $469.7M -$905.5M $225.3M
YoY Change 108.48% 168.69% -202.41%
Cash From Investing Activities $465.4M -$915.9M $224.8M
YoY Change 107.03% 166.48% -199.56%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net $716.0K
YoY Change -98.54%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities 389.3M 1.836B 432.7M
YoY Change -10.03% 3.22% 352.62%
NET CHANGE
Cash From Operating Activities 67.30M 291.7M 90.30M
Cash From Investing Activities 465.4M -915.9M 224.8M
Cash From Financing Activities 389.3M 1.836B 432.7M
Net Change In Cash 922.0M 1.212B 747.8M
YoY Change 23.29% -30.36% -2609.4%
FREE CASH FLOW
Cash From Operating Activities $67.30M $291.7M $90.30M
Capital Expenditures -$4.300M $10.39M -$500.0K
Free Cash Flow $71.60M $281.3M $90.80M
YoY Change -21.15% -5.74% -14.5%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2021 dei Document Annual Report
DocumentAnnualReport
true
CY2021 dei Document Type
DocumentType
10-K
CY2021 dei Entity Central Index Key
EntityCentralIndexKey
0000315709
CY2021 dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2021
CY2021 dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
FY
CY2021 dei Amendment Flag
AmendmentFlag
false
CY2021 dei Document Period End Date
DocumentPeriodEndDate
2021-12-31
CY2021 dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
CY2021 dei Document Transition Report
DocumentTransitionReport
false
CY2021 dei Entity File Number
EntityFileNumber
0-09439
CY2021 dei Entity Registrant Name
EntityRegistrantName
INTERNATIONAL BANCSHARES CORPORATION
CY2021 dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
TX
CY2021 dei Entity Tax Identification Number
EntityTaxIdentificationNumber
74-2157138
CY2021 dei Entity Address Address Line1
EntityAddressAddressLine1
1200 San Bernardo Avenue
CY2021 dei Entity Address City Or Town
EntityAddressCityOrTown
Laredo
CY2021 dei Entity Address State Or Province
EntityAddressStateOrProvince
TX
CY2021 dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
78042 - 1359
CY2021 dei City Area Code
CityAreaCode
956
CY2019 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
330000
CY2021 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
3542000
CY2021 dei Local Phone Number
LocalPhoneNumber
722-7611
CY2021 dei Security12b Title
Security12bTitle
Common Stock, $1.00 par value
CY2021 dei Trading Symbol
TradingSymbol
IBOC
CY2021 dei Security Exchange Name
SecurityExchangeName
NASDAQ
CY2021 dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
Yes
CY2021 dei Entity Voluntary Filers
EntityVoluntaryFilers
No
CY2021 dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
CY2021 dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
CY2021 dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
CY2021 dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
CY2021 dei Entity Small Business
EntitySmallBusiness
false
CY2021 dei Icfr Auditor Attestation Flag
IcfrAuditorAttestationFlag
true
CY2021 dei Entity Shell Company
EntityShellCompany
false
CY2021Q2 dei Entity Public Float
EntityPublicFloat
2721106000
CY2022Q1 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
63376041
CY2021 dei Auditor Name
AuditorName
RSM US LLP
CY2021 dei Auditor Location
AuditorLocation
Austin, Texas
CY2021 dei Auditor Firm
AuditorFirmId
49
CY2019 us-gaap Unrecognized Tax Benefits Income Tax Penalties Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense
0
CY2020 us-gaap Unrecognized Tax Benefits Income Tax Penalties Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense
0
CY2021 us-gaap Unrecognized Tax Benefits Income Tax Penalties Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense
0
CY2021Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
3209242000
CY2020Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
1997238000
CY2021Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2020Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2021Q4 us-gaap Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss
3400000
CY2020Q4 us-gaap Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss
3400000
CY2021Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
4254960000
CY2020Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
3054289000
CY2021Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
4213920000
CY2020Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
3080768000
CY2021Q4 us-gaap Equity Securities Fv Ni Current And Noncurrent
EquitySecuritiesFvNiCurrentAndNoncurrent
6079000
CY2020Q4 us-gaap Equity Securities Fv Ni Current And Noncurrent
EquitySecuritiesFvNiCurrentAndNoncurrent
6202000
CY2021Q4 us-gaap Short Term Investments
ShortTermInvestments
4223399000
CY2020Q4 us-gaap Short Term Investments
ShortTermInvestments
3090370000
CY2021Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
7209151000
CY2020Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
7541754000
CY2021Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
110374000
CY2020Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
109059000
CY2021Q4 us-gaap Notes Receivable Net
NotesReceivableNet
7098777000
CY2020Q4 us-gaap Notes Receivable Net
NotesReceivableNet
7432695000
CY2021Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
447082000
CY2020Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
479878000
CY2021Q4 us-gaap Interest Receivable
InterestReceivable
30593000
CY2020Q4 us-gaap Interest Receivable
InterestReceivable
37881000
CY2021Q4 us-gaap Other Long Term Investments
OtherLongTermInvestments
296882000
CY2020Q4 us-gaap Other Long Term Investments
OtherLongTermInvestments
254413000
CY2021Q4 us-gaap Cash Surrender Value Of Life Insurance
CashSurrenderValueOfLifeInsurance
297218000
CY2020Q4 us-gaap Cash Surrender Value Of Life Insurance
CashSurrenderValueOfLifeInsurance
292381000
CY2021Q4 us-gaap Goodwill
Goodwill
282532000
CY2020Q4 us-gaap Goodwill
Goodwill
282532000
CY2021Q4 us-gaap Other Assets
OtherAssets
160511000
CY2020Q4 us-gaap Other Assets
OtherAssets
162079000
CY2021Q4 us-gaap Assets
Assets
16046236000
CY2020Q4 us-gaap Assets
Assets
14029467000
CY2021Q4 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
5838526000
CY2020Q4 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
4715814000
CY2021Q4 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
4590548000
CY2020Q4 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
3852505000
CY2021Q4 us-gaap Time Deposits
TimeDeposits
2188803000
CY2020Q4 us-gaap Time Deposits
TimeDeposits
2153541000
CY2021Q4 us-gaap Deposits
Deposits
12617877000
CY2020Q4 us-gaap Deposits
Deposits
10721860000
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
439672000
CY2020Q4 us-gaap Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
428148000
CY2021Q4 us-gaap Advances From Federal Home Loan Banks
AdvancesFromFederalHomeLoanBanks
436138000
CY2020Q4 us-gaap Advances From Federal Home Loan Banks
AdvancesFromFederalHomeLoanBanks
436327000
CY2021Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
134642000
CY2020Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
134642000
CY2021Q4 us-gaap Other Liabilities
OtherLiabilities
109426000
CY2020Q4 us-gaap Other Liabilities
OtherLiabilities
130492000
CY2021Q4 us-gaap Liabilities
Liabilities
13737755000
CY2020Q4 us-gaap Liabilities
Liabilities
11851469000
CY2020Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1.00
CY2021Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1.00
CY2020Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
275000000
CY2021Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
275000000
CY2021Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
96350977
CY2020Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
96240977
CY2021Q4 us-gaap Common Stock Value
CommonStockValue
96351000
CY2020Q4 us-gaap Common Stock Value
CommonStockValue
96241000
CY2021Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
152144000
CY2020Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
149334000
CY2021Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
2470710000
CY2020Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
2289626000
CY2021Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-31980000
CY2020Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
20825000
CY2021Q4 us-gaap Stockholders Equity Before Treasury Stock
StockholdersEquityBeforeTreasuryStock
2687225000
CY2020Q4 us-gaap Stockholders Equity Before Treasury Stock
StockholdersEquityBeforeTreasuryStock
2556026000
CY2021Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
32979273
CY2020Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
32961289
CY2021Q4 us-gaap Treasury Stock Common Value
TreasuryStockCommonValue
378744000
CY2020Q4 us-gaap Treasury Stock Common Value
TreasuryStockCommonValue
378028000
CY2021Q4 us-gaap Stockholders Equity
StockholdersEquity
2308481000
CY2020Q4 us-gaap Stockholders Equity
StockholdersEquity
2177998000
CY2021Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
16046236000
CY2020Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
14029467000
CY2021 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
359215000
CY2020 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
377579000
CY2019 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
413611000
CY2021 us-gaap Interest Income Securities Taxable
InterestIncomeSecuritiesTaxable
34331000
CY2020 us-gaap Interest Income Securities Taxable
InterestIncomeSecuritiesTaxable
46095000
CY2019 us-gaap Interest Income Securities Taxable
InterestIncomeSecuritiesTaxable
72485000
CY2021 us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
1483000
CY2020 us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
2434000
CY2019 us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
4885000
CY2021 us-gaap Other Interest And Dividend Income
OtherInterestAndDividendIncome
3074000
CY2020 us-gaap Other Interest And Dividend Income
OtherInterestAndDividendIncome
900000
CY2019 us-gaap Other Interest And Dividend Income
OtherInterestAndDividendIncome
1420000
CY2021 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
398103000
CY2020 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
427008000
CY2019 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
492401000
CY2021 us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
4110000
CY2020 us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
6358000
CY2019 us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
16379000
CY2021 us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
11655000
CY2020 us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
19230000
CY2019 us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
20970000
CY2021 us-gaap Interest Expense Securities Sold Under Agreements To Repurchase
InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
621000
CY2020 us-gaap Interest Expense Securities Sold Under Agreements To Repurchase
InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
926000
CY2019 us-gaap Interest Expense Securities Sold Under Agreements To Repurchase
InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
2432000
CY2021 us-gaap Interest Expense Other Domestic Deposits
InterestExpenseOtherDomesticDeposits
7654000
CY2020 us-gaap Interest Expense Other Domestic Deposits
InterestExpenseOtherDomesticDeposits
8773000
CY2019 us-gaap Interest Expense Other Domestic Deposits
InterestExpenseOtherDomesticDeposits
12413000
CY2021 us-gaap Interest Expense Junior Subordinated Debentures
InterestExpenseJuniorSubordinatedDebentures
2791000
CY2020 us-gaap Interest Expense Junior Subordinated Debentures
InterestExpenseJuniorSubordinatedDebentures
3832000
CY2019 us-gaap Interest Expense Junior Subordinated Debentures
InterestExpenseJuniorSubordinatedDebentures
6435000
CY2021 us-gaap Interest Expense
InterestExpense
26831000
CY2020 us-gaap Interest Expense
InterestExpense
39119000
CY2019 us-gaap Interest Expense
InterestExpense
58629000
CY2021 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
371272000
CY2020 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
387889000
CY2019 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
433772000
CY2021 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
7955000
CY2020 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
45379000
CY2019 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
18843000
CY2021 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
363317000
CY2020 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
342510000
CY2019 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
414929000
CY2021 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-16000
CY2020 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-5000
CY2019 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-12000
CY2021 us-gaap Noninterest Income Other
NoninterestIncomeOther
68807000
CY2020 us-gaap Noninterest Income Other
NoninterestIncomeOther
4920000
CY2019 us-gaap Noninterest Income Other
NoninterestIncomeOther
5985000
CY2021 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
25043000
CY2020 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
26873000
CY2019 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
17523000
CY2021 us-gaap Noninterest Income
NoninterestIncome
222326000
CY2020 us-gaap Noninterest Income
NoninterestIncome
150579000
CY2019 us-gaap Noninterest Income
NoninterestIncome
154826000
CY2021 us-gaap Labor And Related Expense
LaborAndRelatedExpense
123480000
CY2020 us-gaap Labor And Related Expense
LaborAndRelatedExpense
130039000
CY2019 us-gaap Labor And Related Expense
LaborAndRelatedExpense
145929000
CY2021 us-gaap Occupancy Net
OccupancyNet
26176000
CY2020 us-gaap Occupancy Net
OccupancyNet
24909000
CY2019 us-gaap Occupancy Net
OccupancyNet
28635000
CY2021 us-gaap Depreciation Nonproduction
DepreciationNonproduction
25028000
CY2020 us-gaap Depreciation Nonproduction
DepreciationNonproduction
28318000
CY2019 us-gaap Depreciation Nonproduction
DepreciationNonproduction
28270000
CY2021 us-gaap Professional Fees
ProfessionalFees
7890000
CY2020 us-gaap Professional Fees
ProfessionalFees
12546000
CY2019 us-gaap Professional Fees
ProfessionalFees
17661000
CY2021 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
4389000
CY2020 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
1870000
CY2019 us-gaap Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
1416000
CY2021 us-gaap Other Revenue Expense From Real Estate Operations
OtherRevenueExpenseFromRealEstateOperations
-5073000
CY2020 us-gaap Other Revenue Expense From Real Estate Operations
OtherRevenueExpenseFromRealEstateOperations
-9808000
CY2019 us-gaap Other Revenue Expense From Real Estate Operations
OtherRevenueExpenseFromRealEstateOperations
-6377000
CY2021 us-gaap Advertising Expense
AdvertisingExpense
4037000
CY2020 us-gaap Advertising Expense
AdvertisingExpense
4284000
CY2019 us-gaap Advertising Expense
AdvertisingExpense
7748000
CY2021 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
17794000
CY2020 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
19238000
CY2019 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
19850000
CY2021 us-gaap Other Noninterest Expense
OtherNoninterestExpense
49449000
CY2020 us-gaap Other Noninterest Expense
OtherNoninterestExpense
50319000
CY2019 us-gaap Other Noninterest Expense
OtherNoninterestExpense
53915000
CY2021 us-gaap Noninterest Expense
NoninterestExpense
263316000
CY2020 us-gaap Noninterest Expense
NoninterestExpense
281331000
CY2019 us-gaap Noninterest Expense
NoninterestExpense
309801000
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
322327000
CY2020 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
211758000
CY2019 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
259954000
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
68405000
CY2020 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
44439000
CY2019 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
54850000
CY2021 us-gaap Net Income Loss
NetIncomeLoss
253922000
CY2020 us-gaap Net Income Loss
NetIncomeLoss
167319000
CY2019 us-gaap Net Income Loss
NetIncomeLoss
205104000
CY2021 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
63352737
CY2020 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
63725819
CY2019 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
65476606
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
4.01
CY2020 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.63
CY2019 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.13
CY2021 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
63486366
CY2020 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
63853135
CY2019 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
65685684
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
4.00
CY2020 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.62
CY2019 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
3.12
CY2021 us-gaap Net Income Loss
NetIncomeLoss
253922000
CY2020 us-gaap Net Income Loss
NetIncomeLoss
167319000
CY2019 us-gaap Net Income Loss
NetIncomeLoss
205104000
CY2021 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
-14040000
CY2020 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
4911000
CY2019 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
15144000
CY2021 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-52818000
CY2020 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
18476000
CY2019 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
56970000
CY2021 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
3000
CY2020 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
1000
CY2019 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
3000
CY2021 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
-13000
CY2020 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
-4000
CY2019 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
-9000
CY2021 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-52805000
CY2020 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
18480000
CY2019 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
56979000
CY2021 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
201117000
CY2020 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
185799000
CY2019 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
262083000
CY2018Q4 us-gaap Stockholders Equity
StockholdersEquity
1939582000
CY2019 us-gaap Net Income Loss
NetIncomeLoss
205104000
CY2019 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.05
CY2019 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
68670000
CY2019 us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
468918
CY2019 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
17845000
CY2019 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
1923000
CY2019 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
980000
CY2019 iboc Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Net Of Reclassification Adjustment
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringNetOfReclassificationAdjustment
56979000
CY2019Q4 us-gaap Stockholders Equity
StockholdersEquity
2118053000
CY2020 us-gaap Net Income Loss
NetIncomeLoss
167319000
CY2020 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.10
CY2020 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
69928000
CY2020 us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
1946228
CY2020 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
48878000
CY2020 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
542000
CY2020 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
743000
CY2020 iboc Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Net Of Reclassification Adjustment
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringNetOfReclassificationAdjustment
18480000
CY2020Q4 us-gaap Stockholders Equity
StockholdersEquity
2177998000
CY2021 us-gaap Net Income Loss
NetIncomeLoss
253922000
CY2021 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.15
CY2021 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
72838000
CY2021 us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
17984
CY2021 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
716000
CY2021 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
2414000
CY2021 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
506000
CY2021 iboc Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Net Of Reclassification Adjustment
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringNetOfReclassificationAdjustment
-52805000
CY2021Q4 us-gaap Stockholders Equity
StockholdersEquity
2308481000
CY2021 us-gaap Profit Loss
ProfitLoss
253922000
CY2020 us-gaap Profit Loss
ProfitLoss
167319000
CY2019 us-gaap Profit Loss
ProfitLoss
205104000
CY2021 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
7955000
CY2020 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
45379000
CY2019 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
18843000
CY2021 us-gaap Other Real Estate Covered Valuation Adjustments
OtherRealEstateCoveredValuationAdjustments
-2655000
CY2020 us-gaap Other Real Estate Covered Valuation Adjustments
OtherRealEstateCoveredValuationAdjustments
-1539000
CY2019 us-gaap Other Real Estate Covered Valuation Adjustments
OtherRealEstateCoveredValuationAdjustments
-322000
CY2021 us-gaap Depreciation Nonproduction
DepreciationNonproduction
25028000
CY2020 us-gaap Depreciation Nonproduction
DepreciationNonproduction
28318000
CY2019 us-gaap Depreciation Nonproduction
DepreciationNonproduction
28270000
CY2021 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-601000
CY2020 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
40000
CY2019 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
237000
CY2021 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
170000
CY2020 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
892000
CY2019 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
1470000
CY2021 iboc Accretion Of Discounts Investments
AccretionOfDiscountsInvestments
702000
CY2020 iboc Accretion Of Discounts Investments
AccretionOfDiscountsInvestments
500000
CY2019 iboc Accretion Of Discounts Investments
AccretionOfDiscountsInvestments
428000
CY2021 iboc Amortization Of Investment Securities Premiums
AmortizationOfInvestmentSecuritiesPremiums
36380000
CY2020 iboc Amortization Of Investment Securities Premiums
AmortizationOfInvestmentSecuritiesPremiums
39039000
CY2019 iboc Amortization Of Investment Securities Premiums
AmortizationOfInvestmentSecuritiesPremiums
20549000
CY2021 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-16000
CY2020 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-5000
CY2019 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-12000
CY2021 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
-123000
CY2020 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
107000
CY2019 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
158000
CY2021 us-gaap Proceeds From Insurance Settlement Operating Activities
ProceedsFromInsuranceSettlementOperatingActivities
2870000
CY2021 us-gaap Share Based Compensation
ShareBasedCompensation
506000
CY2020 us-gaap Share Based Compensation
ShareBasedCompensation
743000
CY2019 us-gaap Share Based Compensation
ShareBasedCompensation
980000
CY2021 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
68034000
CY2020 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
-74000
CY2019 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
3914000
CY2021 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
3542000
CY2020 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-3122000
CY2020 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
1819814000
CY2019 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
893301000
CY2021 us-gaap Proceeds From Maturities Prepayments And Calls Of Mortgage Backed Securities Mbs
ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS
1612679000
CY2020 us-gaap Proceeds From Maturities Prepayments And Calls Of Mortgage Backed Securities Mbs
ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS
2058626000
CY2019 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
94585000
CY2021 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
2856135000
CY2019 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
3309000
CY2021 us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
-7288000
CY2020 us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
1261000
CY2019 us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
-183000
CY2021 us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
-25220000
CY2020 us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
-42571000
CY2019 us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
-8043000
CY2021 us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
-5519000
CY2020 us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
-13932000
CY2019 us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
32157000
CY2021 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
291681000
CY2020 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
305133000
CY2019 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
311565000
CY2021 us-gaap Proceeds From Maturities Prepayments And Calls Of Other Investments
ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments
1200000
CY2020 us-gaap Proceeds From Maturities Prepayments And Calls Of Other Investments
ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments
1075000
CY2021 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
5890000
CY2020 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
42350000
CY2019 us-gaap Proceeds From Maturities Prepayments And Calls Of Mortgage Backed Securities Mbs
ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS
882479000
CY2021 us-gaap Payments For Proceeds From Loans And Leases
PaymentsForProceedsFromLoansAndLeases
-309575000
CY2020 us-gaap Payments For Proceeds From Loans And Leases
PaymentsForProceedsFromLoansAndLeases
647213000
CY2019 us-gaap Payments For Proceeds From Loans And Leases
PaymentsForProceedsFromLoansAndLeases
375621000
CY2021 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
61783000
CY2020 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
44447000
CY2019 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
52795000
CY2021 iboc Distributions From Other Investments
DistributionsFromOtherInvestments
63356000
CY2020 iboc Distributions From Other Investments
DistributionsFromOtherInvestments
64860000
CY2019 iboc Distributions From Other Investments
DistributionsFromOtherInvestments
44919000
CY2021 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
10390000
CY2020 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
6725000
CY2019 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
29590000
CY2021 us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
11446000
CY2020 us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
904000
CY2019 us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
1861000
CY2021 us-gaap Proceeds From Sale Of Other Real Estate
ProceedsFromSaleOfOtherRealEstate
8273000
CY2020 us-gaap Proceeds From Sale Of Other Real Estate
ProceedsFromSaleOfOtherRealEstate
6679000
CY2019 us-gaap Proceeds From Sale Of Other Real Estate
ProceedsFromSaleOfOtherRealEstate
9405000
CY2021 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-915889000
CY2020 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-343705000
CY2019 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-318058000
CY2021 iboc Increase Decrease In Noninterest Bearing Demand Deposits
IncreaseDecreaseInNoninterestBearingDemandDeposits
1122712000
CY2020 iboc Increase Decrease In Noninterest Bearing Demand Deposits
IncreaseDecreaseInNoninterestBearingDemandDeposits
1169909000
CY2019 iboc Increase Decrease In Noninterest Bearing Demand Deposits
IncreaseDecreaseInNoninterestBearingDemandDeposits
91065000
CY2020 iboc Increase Decrease In Saving And Interest Bearing Demand Deposits
IncreaseDecreaseInSavingAndInterestBearingDemandDeposits
584676000
CY2021 iboc Increase Decrease In Saving And Interest Bearing Demand Deposits
IncreaseDecreaseInSavingAndInterestBearingDemandDeposits
738043000
CY2020 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
69928000
CY2019 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
68670000
CY2021 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
1836212000
CY2020 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
1778990000
CY2019 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-53484000
CY2019 iboc Increase Decrease In Saving And Interest Bearing Demand Deposits
IncreaseDecreaseInSavingAndInterestBearingDemandDeposits
-408000
CY2021 us-gaap Increase Decrease In Time Deposits
IncreaseDecreaseInTimeDeposits
35262000
CY2020 us-gaap Increase Decrease In Time Deposits
IncreaseDecreaseInTimeDeposits
141241000
CY2019 us-gaap Increase Decrease In Time Deposits
IncreaseDecreaseInTimeDeposits
38832000
CY2021 us-gaap Proceeds From Payments For In Securities Sold Under Agreements To Repurchase
ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase
11524000
CY2020 us-gaap Proceeds From Payments For In Securities Sold Under Agreements To Repurchase
ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase
191612000
CY2019 us-gaap Proceeds From Payments For In Securities Sold Under Agreements To Repurchase
ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase
6547000
CY2021 us-gaap Increase Decrease In Loans From Other Federal Home Loan Banks
IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks
-189000
CY2020 us-gaap Increase Decrease In Loans From Other Federal Home Loan Banks
IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks
-190184000
CY2019 us-gaap Increase Decrease In Loans From Other Federal Home Loan Banks
IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks
-79154000
CY2019 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
25774000
CY2021 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
716000
CY2020 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
48878000
CY2019 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
17845000
CY2021 us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
2414000
CY2020 us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
542000
CY2019 us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
1923000
CY2021 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
72838000
CY2021 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
1212004000
CY2020 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
1740418000
CY2019 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-59977000
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1997238000
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
256820000
CY2018Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
316797000
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
3209242000
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1997238000
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
256820000
CY2021 us-gaap Interest Paid Net
InterestPaidNet
29007000
CY2020 us-gaap Interest Paid Net
InterestPaidNet
41975000
CY2019 us-gaap Interest Paid Net
InterestPaidNet
56728000
CY2021 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
47394000
CY2020 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
34826000
CY2019 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
44089000
CY2021 us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
16388000
CY2020 us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
4526000
CY2019 us-gaap Transfer To Other Real Estate
TransferToOtherRealEstate
22015000
CY2019 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
6171000
CY2020 iboc Transfer From Bank Premise And Equipment To Other Assets
TransferFromBankPremiseAndEquipmentToOtherAssets
4260000
CY2021 iboc Entity Number Of Insurance Related Subsidiaries
EntityNumberOfInsuranceRelatedSubsidiaries
1
CY2021 iboc Number Of Components Other Than Temporary Impairment Segregated
NumberOfComponentsOtherThanTemporaryImpairmentSegregated
2
CY2021 iboc Period Of Charge Off For Past Due Unsecured Commercial Loans
PeriodOfChargeOffForPastDueUnsecuredCommercialLoans
P90D
CY2021 iboc Period Of Charge Off For Past Due Unsecured Commercial Loans
PeriodOfChargeOffForPastDueUnsecuredCommercialLoans
P90D
CY2021 iboc Minimum Period For Past Due Unsecured Loans Outstanding Not Placed On Non Accrual Status Under Special Circumstances
MinimumPeriodForPastDueUnsecuredLoansOutstandingNotPlacedOnNonAccrualStatusUnderSpecialCircumstances
P90D
CY2021 iboc Maximum Period Outstanding Non Consumer Loans Are Evaluated For Non Accrual Status
MaximumPeriodOutstandingNonConsumerLoansAreEvaluatedForNonAccrualStatus
P90D
CY2021Q4 iboc Other Real Estate And Foreclosed Assets In Use
OtherRealEstateAndForeclosedAssetsInUse
35332000
CY2020Q4 iboc Other Real Estate And Foreclosed Assets In Use
OtherRealEstateAndForeclosedAssetsInUse
60487000
CY2021Q4 us-gaap Other Foreclosed Assets
OtherForeclosedAssets
4798000
CY2020Q4 us-gaap Other Foreclosed Assets
OtherForeclosedAssets
5779000
CY2021 iboc Percentage Of Likelihood Of Realization Of Recognized Tax Benefit
PercentageOfLikelihoodOfRealizationOfRecognizedTaxBenefit
0.50
CY2020Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
0
CY2021Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
0
CY2019 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
0
CY2020 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
0
CY2021 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
0
CY2019Q4 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0
CY2021 us-gaap Impairment Of Intangible Assets Indefinitelived Excluding Goodwill
ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
0
CY2021Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
17197000
CY2021Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
58237000
CY2021 us-gaap Number Of Operating Segments
NumberOfOperatingSegments
1
CY2021 iboc Number Of Active Operating Subsidiaries
NumberOfActiveOperatingSubsidiaries
5
CY2021 us-gaap Prior Period Reclassification Adjustment Description
PriorPeriodReclassificationAdjustmentDescription
<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt 0pt 12pt 0pt;"><i style="font-style:italic;">Reclassifications</i></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">Certain amounts in the prior year’s presentations have been reclassified to conform to the current presentation. These reclassifications had no effect on previously reported net income or shareholders’ equity.</p>
CY2021Q4 us-gaap Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment
HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment
3400000
CY2021Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2021Q4 us-gaap Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss
3400000
CY2021Q4 iboc Equity Securities And Available For Sale Debt Securities Amortized Cost Basis
EquitySecuritiesAndAvailableForSaleDebtSecuritiesAmortizedCostBasis
4254960000
CY2021Q4 us-gaap Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
4169363000
CY2021Q4 us-gaap Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost
4213441000
CY2021Q4 us-gaap Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost
HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost
2200000
CY2021Q4 us-gaap Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value
HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
2200000
CY2021Q4 us-gaap Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost
HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost
1200000
CY2021Q4 us-gaap Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value
HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
1200000
CY2021Q4 us-gaap Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis
41519000
CY2021Q4 us-gaap Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue
44557000
CY2021Q4 us-gaap Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss
3400000
CY2021Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2021Q4 iboc Equity Securities And Available For Sale Debt Securities Amortized Cost Basis
EquitySecuritiesAndAvailableForSaleDebtSecuritiesAmortizedCostBasis
4254960000
CY2021Q4 iboc Equity Securities And Available For Sale Debt Securities
EquitySecuritiesAndAvailableForSaleDebtSecurities
4213920000
CY2020Q4 us-gaap Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment
HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment
3400000
CY2020Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
3400000
CY2020Q4 us-gaap Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss
3400000
CY2020Q4 iboc Equity Securities And Available For Sale Debt Securities Amortized Cost Basis
EquitySecuritiesAndAvailableForSaleDebtSecuritiesAmortizedCostBasis
3054289000
CY2020Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
35832000
CY2020Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
9353000
CY2021 us-gaap Proceeds From Sale Maturity And Collections Of Investments
ProceedsFromSaleMaturityAndCollectionsOfInvestments
5890000
CY2020 us-gaap Proceeds From Sale Maturity And Collections Of Investments
ProceedsFromSaleMaturityAndCollectionsOfInvestments
42350000
CY2019 us-gaap Proceeds From Sale Maturity And Collections Of Investments
ProceedsFromSaleMaturityAndCollectionsOfInvestments
94585000
CY2021 us-gaap Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale
ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale
0
CY2020 us-gaap Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale
ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale
0
CY2019 us-gaap Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale
ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale
0
CY2021 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
0
CY2020 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
1000
CY2019 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
3000
CY2021 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
16000
CY2020 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
6000
CY2019 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
15000
CY2021Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
3037188000
CY2021Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
53060000
CY2021Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
423733000
CY2021Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
5177000
CY2021Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
3460921000
CY2021Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
58237000
CY2020Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
1462232000
CY2020Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
9339000
CY2020Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
757000
CY2020Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
14000
CY2020Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
1462989000
CY2020Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
9353000
CY2021Q4 us-gaap Equity Securities Fv Ni Current And Noncurrent
EquitySecuritiesFvNiCurrentAndNoncurrent
6079000
CY2020Q4 us-gaap Equity Securities Fv Ni Current And Noncurrent
EquitySecuritiesFvNiCurrentAndNoncurrent
6202000
CY2021 us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
-123000
CY2021 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
-123000
CY2020 us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
107000
CY2020 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
107000
CY2019 us-gaap Equity Securities Fv Ni Gain Loss
EquitySecuritiesFvNiGainLoss
158000
CY2019 us-gaap Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
158000
CY2021Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
7209151000
CY2020Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
7541754000
CY2020Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
109059000
CY2021 us-gaap Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
9024000
CY2021 us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
2384000
CY2021 us-gaap Financing Receivable Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery
6640000
CY2021 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
7955000
CY2021Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
110374000
CY2019Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
60278000
CY2020 us-gaap Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
9574000
CY2020 us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
2629000
CY2020 us-gaap Financing Receivable Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery
6945000
CY2020 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
45379000
CY2020Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
109059000
CY2018Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
61384000
CY2019 us-gaap Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
22928000
CY2019 us-gaap Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
2979000
CY2019 us-gaap Financing Receivable Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery
19949000
CY2019 us-gaap Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
18843000
CY2019Q4 us-gaap Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
60278000
CY2021Q4 us-gaap Financing Receivable Individually Evaluated For Impairment
FinancingReceivableIndividuallyEvaluatedForImpairment
1667000
CY2021Q4 us-gaap Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1
FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
99000
CY2021Q4 us-gaap Financing Receivable Collectively Evaluated For Impairment
FinancingReceivableCollectivelyEvaluatedForImpairment
7207484000
CY2021Q4 us-gaap Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment
FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
110275000
CY2020Q4 us-gaap Financing Receivable Individually Evaluated For Impairment
FinancingReceivableIndividuallyEvaluatedForImpairment
19447000
CY2020Q4 us-gaap Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1
FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
279000
CY2020Q4 us-gaap Financing Receivable Collectively Evaluated For Impairment
FinancingReceivableCollectivelyEvaluatedForImpairment
7522307000
CY2020Q4 us-gaap Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment
FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
108780000
CY2021Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
1921000
CY2020Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
19822000
CY2019Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
4886000
CY2021 iboc Financing Receivable Recorded Investment Nonaccrual Status Reduction In Interest Income
FinancingReceivableRecordedInvestmentNonaccrualStatusReductionInInterestIncome
169000
CY2020 iboc Financing Receivable Recorded Investment Nonaccrual Status Reduction In Interest Income
FinancingReceivableRecordedInvestmentNonaccrualStatusReductionInInterestIncome
694000
CY2019 iboc Financing Receivable Recorded Investment Nonaccrual Status Reduction In Interest Income
FinancingReceivableRecordedInvestmentNonaccrualStatusReductionInInterestIncome
340000
CY2021Q4 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
8642000
CY2020Q4 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
8238000
CY2019Q4 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
59705000
CY2021Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
1921000
CY2020Q4 us-gaap Financing Receivable Recorded Investment Nonaccrual Status
FinancingReceivableRecordedInvestmentNonaccrualStatus
19822000
CY2021Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
3253000
CY2020Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
5821000
CY2021Q4 us-gaap Financing Receivable Threshold Period Past Due Writeoff
FinancingReceivableThresholdPeriodPastDueWriteoff
P90D
CY2020Q4 us-gaap Financing Receivable Originated Five Or More Years Before Latest Fiscal Year
FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
327336000
CY2021Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
7209151000
CY2020Q4 us-gaap Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year
FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
3601680000
CY2020Q4 us-gaap Financing Receivable Originated Two Years Before Latest Fiscal Year
FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
1627511000
CY2020Q4 us-gaap Financing Receivable Originated Three Years Before Latest Fiscal Year
FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
1087031000
CY2020Q4 us-gaap Financing Receivable Originated Four Years Before Latest Fiscal Year
FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
556923000
CY2021Q4 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
8642000
CY2021Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
7209151000
CY2020Q4 us-gaap Financing Receivable Recorded Investment90 Days Past Due And Still Accruing
FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
8238000
CY2020Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
7541754000
CY2021Q4 us-gaap Financing Receivable Originated In Current Fiscal Year
FinancingReceivableOriginatedInCurrentFiscalYear
3641975000
CY2021Q4 us-gaap Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year
FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
1540327000
CY2021Q4 us-gaap Financing Receivable Originated Two Years Before Latest Fiscal Year
FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
885554000
CY2021Q4 us-gaap Financing Receivable Originated Three Years Before Latest Fiscal Year
FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
616037000
CY2021Q4 us-gaap Financing Receivable Originated Four Years Before Latest Fiscal Year
FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
241896000
CY2021Q4 us-gaap Financing Receivable Originated Five Or More Years Before Latest Fiscal Year
FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
283362000
CY2020Q4 iboc Financing Receivable Originated More Than Six Years Before Current Fiscal Year
FinancingReceivableOriginatedMoreThanSixYearsBeforeCurrentFiscalYear
341273000
CY2020Q4 us-gaap Notes Receivable Gross
NotesReceivableGross
7541754000
CY2021Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
542159000
CY2020Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
526939000
CY2021Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
447082000
CY2020Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
479878000
CY2021Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
60697000
CY2021Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
60697000
CY2020Q4 us-gaap Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
60697000
CY2020Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
60697000
CY2021 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
0
CY2020 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
0
CY2019 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
0
CY2020 us-gaap Goodwill Period Increase Decrease
GoodwillPeriodIncreaseDecrease
0
CY2021 us-gaap Goodwill Period Increase Decrease
GoodwillPeriodIncreaseDecrease
0
CY2021Q4 us-gaap Noninterest Bearing Deposit Liabilities Domestic
NoninterestBearingDepositLiabilitiesDomestic
4805999000
CY2020Q4 us-gaap Noninterest Bearing Deposit Liabilities Domestic
NoninterestBearingDepositLiabilitiesDomestic
3781277000
CY2021Q4 us-gaap Noninterest Bearing Deposit Liabilities Foreign
NoninterestBearingDepositLiabilitiesForeign
1032527000
CY2020Q4 us-gaap Noninterest Bearing Deposit Liabilities Foreign
NoninterestBearingDepositLiabilitiesForeign
934537000
CY2021Q4 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
5838526000
CY2020Q4 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
4715814000
CY2021Q4 us-gaap Interest Bearing Deposit Liabilities Domestic
InterestBearingDepositLiabilitiesDomestic
3555279000
CY2020Q4 us-gaap Interest Bearing Deposit Liabilities Domestic
InterestBearingDepositLiabilitiesDomestic
2919314000
CY2021Q4 us-gaap Interest Bearing Deposit Liabilities Foreign
InterestBearingDepositLiabilitiesForeign
1035269000
CY2020Q4 us-gaap Interest Bearing Deposit Liabilities Foreign
InterestBearingDepositLiabilitiesForeign
933191000
CY2021Q4 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
4590548000
CY2020Q4 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
3852505000
CY2021Q4 iboc Time Deposits Less Than100000 Domestic
TimeDepositsLessThan100000Domestic
286499000
CY2020Q4 iboc Time Deposits Less Than100000 Domestic
TimeDepositsLessThan100000Domestic
291473000
CY2021Q4 iboc Time Deposits Less Than100000 Foreign
TimeDepositsLessThan100000Foreign
241387000
CY2020Q4 iboc Time Deposits Less Than100000 Foreign
TimeDepositsLessThan100000Foreign
241989000
CY2021Q4 us-gaap Time Deposits
TimeDeposits
2188803000
CY2020Q4 us-gaap Time Deposits
TimeDeposits
2153541000
CY2021Q4 us-gaap Deposits
Deposits
12617877000
CY2020Q4 us-gaap Deposits
Deposits
10721860000
CY2021 iboc Interest Expense Now Accounts Money Market Accounts And Savings Deposit Domestic
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDepositDomestic
3268000
CY2020 iboc Interest Expense Now Accounts Money Market Accounts And Savings Deposit Domestic
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDepositDomestic
5098000
CY2019 iboc Interest Expense Now Accounts Money Market Accounts And Savings Deposit Domestic
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDepositDomestic
13462000
CY2021 iboc Interest Expense Now Accounts Money Market Accounts And Savings Deposit Foreign
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDepositForeign
842000
CY2020 iboc Interest Expense Now Accounts Money Market Accounts And Savings Deposit Foreign
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDepositForeign
1260000
CY2019 iboc Interest Expense Now Accounts Money Market Accounts And Savings Deposit Foreign
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDepositForeign
2917000
CY2021 us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
4110000
CY2020 us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
6358000
CY2019 us-gaap Interest Expense Now Accounts Money Market Accounts And Savings Deposits
InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
16379000
CY2021 iboc Interest Expense Time Deposits100000 Or More Domestic
InterestExpenseTimeDeposits100000OrMoreDomestic
6652000
CY2020 iboc Interest Expense Time Deposits100000 Or More Domestic
InterestExpenseTimeDeposits100000OrMoreDomestic
8827000
CY2019 iboc Interest Expense Time Deposits100000 Or More Domestic
InterestExpenseTimeDeposits100000OrMoreDomestic
7804000
CY2021 iboc Interest Expense Time Deposits100000 Or More Foreign
InterestExpenseTimeDeposits100000OrMoreForeign
3452000
CY2020 iboc Interest Expense Time Deposits100000 Or More Foreign
InterestExpenseTimeDeposits100000OrMoreForeign
7536000
CY2019 iboc Interest Expense Time Deposits100000 Or More Foreign
InterestExpenseTimeDeposits100000OrMoreForeign
9407000
CY2021 iboc Interest Expense Time Deposits Less Than100000 Domestic
InterestExpenseTimeDepositsLessThan100000Domestic
984000
CY2020 iboc Interest Expense Time Deposits Less Than100000 Domestic
InterestExpenseTimeDepositsLessThan100000Domestic
1781000
CY2019 iboc Interest Expense Time Deposits Less Than100000 Domestic
InterestExpenseTimeDepositsLessThan100000Domestic
2232000
CY2021 iboc Interest Expense Time Deposits Less Than100000 Foreign
InterestExpenseTimeDepositsLessThan100000Foreign
567000
CY2020 iboc Interest Expense Time Deposits Less Than100000 Foreign
InterestExpenseTimeDepositsLessThan100000Foreign
1086000
CY2019 iboc Interest Expense Time Deposits Less Than100000 Foreign
InterestExpenseTimeDepositsLessThan100000Foreign
1527000
CY2021 us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
11655000
CY2020 us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
19230000
CY2019 us-gaap Interest Expense Time Deposits
InterestExpenseTimeDeposits
20970000
CY2021 us-gaap Interest Expense Deposits
InterestExpenseDeposits
15765000
CY2020 us-gaap Interest Expense Deposits
InterestExpenseDeposits
25588000
CY2019 us-gaap Interest Expense Deposits
InterestExpenseDeposits
37349000
CY2021Q4 us-gaap Time Deposit Maturities Year One
TimeDepositMaturitiesYearOne
2071684000
CY2021Q4 us-gaap Time Deposit Maturities Year Two
TimeDepositMaturitiesYearTwo
86480000
CY2021Q4 us-gaap Time Deposit Maturities Year Three
TimeDepositMaturitiesYearThree
20788000
CY2021Q4 us-gaap Time Deposit Maturities Year Four
TimeDepositMaturitiesYearFour
9608000
CY2021Q4 us-gaap Time Deposit Maturities Year Five
TimeDepositMaturitiesYearFive
231000
CY2021Q4 us-gaap Time Deposit Maturities After Year Five
TimeDepositMaturitiesAfterYearFive
12000
CY2021Q4 us-gaap Time Deposits
TimeDeposits
2188803000
CY2021Q4 us-gaap Contractual Maturities Time Deposits100000 Or More Three Months Or Less
ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsOrLess
677946000
CY2021Q4 us-gaap Contractual Maturities Time Deposits100000 Or More Three Months Through Six Months
ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsThroughSixMonths
407731000
CY2021Q4 us-gaap Contractual Maturities Time Deposits100000 Or More Six Months Through12 Months
ContractualMaturitiesTimeDeposits100000OrMoreSixMonthsThrough12Months
506392000
CY2021Q4 us-gaap Contractual Maturities Time Deposits100000 Or More After12 Months
ContractualMaturitiesTimeDeposits100000OrMoreAfter12Months
68848000
CY2021Q4 us-gaap Time Deposits100000 Or More
TimeDeposits100000OrMore
1660917000
CY2021Q4 iboc Time Deposits250000 Or Exceed Fdic Insurance
TimeDeposits250000OrExceedFdicInsurance
1125318000
CY2020Q4 iboc Time Deposits250000 Or Exceed Fdic Insurance
TimeDeposits250000OrExceedFdicInsurance
1085404000
CY2021 iboc Securities Sold Under Agreements To Repurchase Average Outstanding Amount
SecuritiesSoldUnderAgreementsToRepurchaseAverageOutstandingAmount
411611000
CY2020 iboc Securities Sold Under Agreements To Repurchase Average Outstanding Amount
SecuritiesSoldUnderAgreementsToRepurchaseAverageOutstandingAmount
335392000
CY2021Q4 iboc Securities Sold Under Agreements To Repurchase Maximum Outstanding Amount At Any Month End
SecuritiesSoldUnderAgreementsToRepurchaseMaximumOutstandingAmountAtAnyMonthEnd
443980000
CY2020Q4 iboc Securities Sold Under Agreements To Repurchase Maximum Outstanding Amount At Any Month End
SecuritiesSoldUnderAgreementsToRepurchaseMaximumOutstandingAmountAtAnyMonthEnd
428148000
CY2021 us-gaap Schedule Of Repurchase Agreements
ScheduleOfRepurchaseAgreements
<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;min-height:0.0pt;margin:0pt;"><span style="font-size:0pt;visibility:hidden;">​</span></p><table style="border-collapse:collapse;font-size:16pt;height:max-content;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:9pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="5" style="vertical-align:bottom;white-space:nowrap;width:23.38%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Collateral Securities</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="4" style="vertical-align:bottom;white-space:nowrap;width:25.56%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Repurchase Borrowing</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"> </p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:9pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="2" style="vertical-align:bottom;white-space:nowrap;width:10.69%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Book Value of</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="2" style="vertical-align:bottom;white-space:nowrap;width:10.63%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Fair Value of</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="2" style="vertical-align:bottom;white-space:nowrap;width:10.37%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Balance of</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Weighted Average</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"> </p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:9pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="2" style="vertical-align:bottom;white-space:nowrap;width:10.69%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Securities Sold</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="2" style="vertical-align:bottom;white-space:nowrap;width:10.63%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Securities Sold</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="2" style="vertical-align:bottom;white-space:nowrap;width:10.37%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Liability</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Interest Rate</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"> </p></td></tr><tr style="height:0pt;visibility:hidden;"><td colspan="13" style="padding:0pt;"/></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="font-size:9pt;visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td colspan="10" style="vertical-align:bottom;white-space:nowrap;width:51.01%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">(Dollars in Thousands)</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"> </p></td></tr><tr><td style="vertical-align:bottom;width:45%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;">December 31, 2021 term:</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">    </p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">    </p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">    </p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">    </p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">    </p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">    </p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">    </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">    </p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">Overnight agreements</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 500,495</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 492,026</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 428,235</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 0.16</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">%</p></td></tr><tr><td style="vertical-align:bottom;width:45%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">1 to 29 days</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">30 to 90 days</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">Over 90 days</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 11,452</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 11,229</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 11,437</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 0.48</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">Total</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 511,947</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 503,255</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 439,672</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 0.17</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">%</p></td></tr><tr><td style="vertical-align:bottom;width:45%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;">December 31, 2020 term:</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">Overnight agreements</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 506,020</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 507,164</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 416,757</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 0.13</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">%</p></td></tr><tr><td style="vertical-align:bottom;width:45%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">1 to 29 days</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">30 to 90 days</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> —</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">Over 90 days</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 11,684</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 11,641</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;background:#cceeff;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 11,391</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 0.43</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;background:#cceeff;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td></tr><tr><td style="vertical-align:bottom;width:45%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt 0pt 0pt 12pt;">Total</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.14%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.25%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 517,704</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.43%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 518,805</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;">​</span></p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.19%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">$</p></td><td style="vertical-align:bottom;white-space:nowrap;width:9.18%;border-bottom:3px double #000000;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 428,148</p></td><td style="vertical-align:bottom;white-space:nowrap;width:2.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"> </p></td><td style="vertical-align:bottom;white-space:nowrap;width:13.06%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:right;margin:0pt 3pt 0pt 0pt;"> 0.14</p></td><td style="vertical-align:bottom;white-space:nowrap;width:1.84%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;">%</p></td></tr></table>
CY2021Q4 us-gaap Assets Sold Under Agreements To Repurchase Carrying Amounts
AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts
511947000
CY2021Q4 us-gaap Assets Sold Under Agreements To Repurchase Market Value
AssetsSoldUnderAgreementsToRepurchaseMarketValue
503255000
CY2021Q4 us-gaap Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
439672000
CY2021Q4 us-gaap Assets Sold Under Agreements To Repurchase Interest Rate
AssetsSoldUnderAgreementsToRepurchaseInterestRate
0.0017
CY2020Q4 us-gaap Assets Sold Under Agreements To Repurchase Carrying Amounts
AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts
517704000
CY2020Q4 us-gaap Assets Sold Under Agreements To Repurchase Market Value
AssetsSoldUnderAgreementsToRepurchaseMarketValue
518805000
CY2020Q4 us-gaap Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
428148000
CY2020Q4 us-gaap Assets Sold Under Agreements To Repurchase Interest Rate
AssetsSoldUnderAgreementsToRepurchaseInterestRate
0.0014
CY2021 iboc Number Of Statutory Business Trusts Issuing Preferred Securities
NumberOfStatutoryBusinessTrustsIssuingPreferredSecurities
5
CY2020Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
134642000
CY2021Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
134642000
CY2021 iboc Maximum Number Of Consecutive Quarterly Periods Available For Deferral Of Payment Of Interest
MaximumNumberOfConsecutiveQuarterlyPeriodsAvailableForDeferralOfPaymentOfInterest
20
CY2021 iboc Maximum Percentage Of Capital Securities Issued By Trust Qualifying As Tier One Capital
MaximumPercentageOfCapitalSecuritiesIssuedByTrustQualifyingAsTierOneCapital
0.25
CY2021 iboc Minimum Percentage Of Capital Securities Issued By Trust Qualifying As Tier Two Capital
MinimumPercentageOfCapitalSecuritiesIssuedByTrustQualifyingAsTierTwoCapital
0.25
CY2020Q4 iboc Capital Securities Issued By Trust Qualifying As Tier One Capital
CapitalSecuritiesIssuedByTrustQualifyingAsTierOneCapital
134642000
CY2021Q4 iboc Capital Securities Issued By Trust Qualifying As Tier One Capital
CapitalSecuritiesIssuedByTrustQualifyingAsTierOneCapital
134642000
CY2021Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust
JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
134642000
CY2021 us-gaap Net Income Loss
NetIncomeLoss
253922000
CY2021 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
63352737
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
4.01
CY2021 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
133629
CY2021 us-gaap Net Income Loss
NetIncomeLoss
253922000
CY2021 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
63486366
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
4.00
CY2020 us-gaap Net Income Loss
NetIncomeLoss
167319000
CY2020 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
63725819
CY2020 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.63
CY2020 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
127316
CY2020 us-gaap Net Income Loss
NetIncomeLoss
167319000
CY2020 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
63853135
CY2020 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.62
CY2019 us-gaap Net Income Loss
NetIncomeLoss
205104000
CY2019 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
65476606
CY2020 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
-389000
CY2019 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.13
CY2019 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
209078
CY2019 us-gaap Net Income Loss
NetIncomeLoss
205104000
CY2019 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
65685684
CY2019 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
3.12
CY2021 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
59591000
CY2020 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
43794000
CY2019 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
48559000
CY2021 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
5272000
CY2020 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
3709000
CY2019 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
2944000
CY2020 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
58000
CY2019 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
38000
CY2021 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
64863000
CY2020 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
47561000
CY2019 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
51541000
CY2021 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
3794000
CY2020 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
-2733000
CY2019 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
2979000
CY2021 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
-252000
CY2020 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-3122000
CY2019 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
3309000
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
68405000
CY2020 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
44439000
CY2019 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
54850000
CY2019 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2020 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2021 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2021 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
68011000
CY2020 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
45218000
CY2019 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
55086000
CY2021 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
2970000
CY2020 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
2709000
CY2019 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
2550000
CY2021 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
3966000
CY2020 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
2622000
CY2019 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
2587000
CY2021 iboc Income Tax Reconciliation Noninterest Income Other
IncomeTaxReconciliationNoninterestIncomeOther
1753000
CY2020 iboc Income Tax Reconciliation Noninterest Income Other
IncomeTaxReconciliationNoninterestIncomeOther
2205000
CY2019 iboc Income Tax Reconciliation Noninterest Income Other
IncomeTaxReconciliationNoninterestIncomeOther
1480000
CY2021 iboc Income Tax Reconciliation Low Income Housing Investments
IncomeTaxReconciliationLowIncomeHousingInvestments
203000
CY2020 iboc Income Tax Reconciliation Low Income Housing Investments
IncomeTaxReconciliationLowIncomeHousingInvestments
1990000
CY2019 iboc Income Tax Reconciliation Low Income Housing Investments
IncomeTaxReconciliationLowIncomeHousingInvestments
623000
CY2021 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
948000
CY2020 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-477000
CY2019 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
584000
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
68405000
CY2020 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
44439000
CY2019 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
54850000
CY2021Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
22773000
CY2020Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
21921000
CY2021Q4 iboc Deferred Tax Assets Other Real Estate Owned
DeferredTaxAssetsOtherRealEstateOwned
1227000
CY2020Q4 iboc Deferred Tax Assets Other Real Estate Owned
DeferredTaxAssetsOtherRealEstateOwned
1183000
CY2021Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
81000
CY2020Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
81000
CY2021Q4 us-gaap Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross
DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross
9062000
CY2021Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
4842000
CY2020Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
5649000
CY2021Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
37985000
CY2020Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
28834000
CY2021Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
12163000
CY2020Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
12350000
CY2020Q4 us-gaap Deferred Tax Liabilities Other Comprehensive Income
DeferredTaxLiabilitiesOtherComprehensiveIncome
5679000
CY2021Q4 iboc Deferred Tax Liabilities Impairment Charges Available For Sale Securities
DeferredTaxLiabilitiesImpairmentChargesAvailableForSaleSecurities
19000
CY2020Q4 iboc Deferred Tax Liabilities Impairment Charges Available For Sale Securities
DeferredTaxLiabilitiesImpairmentChargesAvailableForSaleSecurities
19000
CY2021Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
13966000
CY2020Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
13807000
CY2021Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
24235000
CY2020Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
20551000
CY2021Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
50383000
CY2020Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
52406000
CY2021Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
12398000
CY2020Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
23572000
CY2021Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
12398000
CY2020Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
23572000
CY2021Q4 us-gaap Related Party Transaction Due From To Related Party
RelatedPartyTransactionDueFromToRelatedParty
18881000
CY2020Q4 us-gaap Related Party Transaction Due From To Related Party
RelatedPartyTransactionDueFromToRelatedParty
30398000
CY2021 iboc Maximum Dividend Income To Be Received From Subsidiaries
MaximumDividendIncomeToBeReceivedFromSubsidiaries
1066000000
CY2021Q4 iboc Impaired Financing Receivable Recorded Investment Fair Value Disclosure
ImpairedFinancingReceivableRecordedInvestmentFairValueDisclosure
993000
CY2021Q4 iboc Impaired Commercial Collateral Financing Receivable Appraisals To Determine Fair Value
ImpairedCommercialCollateralFinancingReceivableAppraisalsToDetermineFairValue
0
CY2021Q4 iboc Impaired Collateral Dependent Commercial Loans With Internal Evaluation Completed Within Last Twelve Months
ImpairedCollateralDependentCommercialLoansWithInternalEvaluationCompletedWithinLastTwelveMonths
896000
CY2020Q4 iboc Impaired Financing Receivable Recorded Investment Fair Value Disclosure
ImpairedFinancingReceivableRecordedInvestmentFairValueDisclosure
18361000
CY2020Q4 iboc Impaired Commercial Collateral Financing Receivable Appraisals To Determine Fair Value
ImpairedCommercialCollateralFinancingReceivableAppraisalsToDetermineFairValue
16587000
CY2020Q4 iboc Impaired Collateral Dependent Commercial Loans With Internal Evaluation Completed Within Last Twelve Months
ImpairedCollateralDependentCommercialLoansWithInternalEvaluationCompletedWithinLastTwelveMonths
1283000
CY2021 iboc Allowance For Loan And Lease Losses Period Increase Decrease Loans Transferred To Other Real Estate Owned
AllowanceForLoanAndLeaseLossesPeriodIncreaseDecreaseLoansTransferredToOtherRealEstateOwned
2000
CY2020 iboc Allowance For Loan And Lease Losses Period Increase Decrease Loans Transferred To Other Real Estate Owned
AllowanceForLoanAndLeaseLossesPeriodIncreaseDecreaseLoansTransferredToOtherRealEstateOwned
22000
CY2019 iboc Allowance For Loan And Lease Losses Period Increase Decrease Loans Transferred To Other Real Estate Owned
AllowanceForLoanAndLeaseLossesPeriodIncreaseDecreaseLoansTransferredToOtherRealEstateOwned
9611000
CY2021 iboc Allowance For Loan Lease Losses Write Offs Prior To Foreclosure
AllowanceForLoanLeaseLossesWriteOffsPriorToForeclosure
2655000
CY2020 iboc Allowance For Loan Lease Losses Write Offs Prior To Foreclosure
AllowanceForLoanLeaseLossesWriteOffsPriorToForeclosure
1539000
CY2019 iboc Allowance For Loan Lease Losses Write Offs Prior To Foreclosure
AllowanceForLoanLeaseLossesWriteOffsPriorToForeclosure
322000

Files In Submission

Name View Source Status
0001558370-22-001922-index-headers.html Edgar Link pending
0001558370-22-001922-index.html Edgar Link pending
0001558370-22-001922.txt Edgar Link pending
0001558370-22-001922-xbrl.zip Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
Financial_Report.xlsx Edgar Link pending
iboc-20211231.xsd Edgar Link pending
iboc-20211231x10k.htm Edgar Link pending
iboc-20211231x10k_htm.xml Edgar Link completed
iboc-20211231xex13.htm Edgar Link pending
iboc-20211231xex13006.jpg Edgar Link pending
iboc-20211231xex21.htm Edgar Link pending
iboc-20211231xex23.htm Edgar Link pending
iboc-20211231xex31da.htm Edgar Link pending
iboc-20211231xex31db.htm Edgar Link pending
iboc-20211231xex32da.htm Edgar Link pending
iboc-20211231xex32db.htm Edgar Link pending
iboc-20211231xex4.htm Edgar Link pending
iboc-20211231_cal.xml Edgar Link unprocessable
iboc-20211231_def.xml Edgar Link unprocessable
iboc-20211231_lab.xml Edgar Link unprocessable
iboc-20211231_pre.xml Edgar Link unprocessable
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
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
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R69.htm Edgar Link pending
R7.htm Edgar Link pending
R70.htm Edgar Link pending
R71.htm Edgar Link pending
R72.htm Edgar Link pending
R73.htm Edgar Link pending
R74.htm Edgar Link pending
R75.htm Edgar Link pending
R76.htm Edgar Link pending
R77.htm Edgar Link pending
R78.htm Edgar Link pending
R79.htm Edgar Link pending
R8.htm Edgar Link pending
R80.htm Edgar Link pending
R81.htm Edgar Link pending
R82.htm Edgar Link pending
R83.htm Edgar Link pending
R84.htm Edgar Link pending
R85.htm Edgar Link pending
R86.htm Edgar Link pending
R87.htm Edgar Link pending
R88.htm Edgar Link pending
R89.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending