2021 Q1 Form 10-Q Financial Statement
#000070543221000063 Filed on April 30, 2021
Income Statement
Concept | 2021 Q1 | 2020 Q1 |
---|---|---|
Revenue | $53.57M | $60.75M |
YoY Change | -11.83% | 2.92% |
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 | $2.882M | $3.021M |
YoY Change | -4.6% | -0.07% |
% of Gross Profit | ||
Operating Expenses | ||
YoY Change | ||
Operating Profit | ||
YoY Change | ||
Interest Expense | $7.262M | $16.05M |
YoY Change | -54.76% | -10.34% |
% of Operating Profit | ||
Other Income/Expense, Net | ||
YoY Change | ||
Pretax Income | $38.84M | $4.432M |
YoY Change | 776.38% | -79.81% |
Income Tax | $4.800M | $479.0K |
% Of Pretax Income | 12.36% | 10.81% |
Net Earnings | $34.09M | $3.953M |
YoY Change | 762.41% | -78.99% |
Net Earnings / Revenue | 63.64% | 6.51% |
Basic Earnings Per Share | $1.04 | $0.12 |
Diluted Earnings Per Share | $1.04 | $0.12 |
COMMON SHARES | ||
Basic Shares Outstanding | 32.83M shares | 33.69M shares |
Diluted Shares Outstanding | 32.94M shares | 33.81M shares |
Balance Sheet
Concept | 2021 Q1 | 2020 Q1 |
---|---|---|
SHORT-TERM ASSETS | ||
Cash & Short-Term Investments | ||
YoY Change | ||
Cash & Equivalents | $107.6M | $112.2M |
Short-Term Investments | ||
Other Short-Term Assets | ||
YoY Change | ||
Inventory | ||
Prepaid Expenses | ||
Receivables | ||
Other Receivables | ||
Total Short-Term Assets | ||
YoY Change | ||
LONG-TERM ASSETS | ||
Property, Plant & Equipment | $144.6M | $146.2M |
YoY Change | -1.08% | 5.73% |
Goodwill | $201.1M | $201.1M |
YoY Change | 0.0% | 0.0% |
Intangibles | $8.978M | $12.38M |
YoY Change | -27.49% | -25.42% |
Long-Term Investments | $11.80M | $12.40M |
YoY Change | -4.84% | 1.64% |
Other Assets | ||
YoY Change | ||
Total Long-Term Assets | ||
YoY Change | ||
TOTAL ASSETS | ||
Total Short-Term Assets | ||
Total Long-Term Assets | ||
Total Assets | $6.999B | $7.274B |
YoY Change | -3.78% | 16.99% |
SHORT-TERM LIABILITIES | ||
YoY Change | ||
Accounts Payable | ||
YoY Change | ||
Accrued Expenses | $17.30M | $10.10M |
YoY Change | 71.29% | 3.06% |
Deferred Revenue | ||
YoY Change | ||
Short-Term Debt | $22.30M | $217.9M |
YoY Change | -89.77% | 2433.72% |
Long-Term Debt Due | ||
YoY Change | ||
Total Short-Term Liabilities | $17.30M | $10.10M |
YoY Change | 71.29% | 3.06% |
LONG-TERM LIABILITIES | ||
Long-Term Debt | $257.5M | $158.9M |
YoY Change | 62.05% | 0.13% |
Other Long-Term Liabilities | $75.10M | $70.50M |
YoY Change | 6.52% | -25.24% |
Total Long-Term Liabilities | $332.6M | $229.4M |
YoY Change | 44.99% | -9.33% |
TOTAL LIABILITIES | ||
Total Short-Term Liabilities | $17.30M | $10.10M |
Total Long-Term Liabilities | $332.6M | $229.4M |
Total Liabilities | $6.140B | $6.478B |
YoY Change | -5.21% | 18.66% |
SHAREHOLDERS EQUITY | ||
Retained Earnings | $134.8M | $65.86M |
YoY Change | 104.64% | 15.5% |
Common Stock | $822.2M | $815.8M |
YoY Change | 0.79% | 0.61% |
Preferred Stock | ||
YoY Change | ||
Treasury Stock (at cost) | $138.0M | $119.4M |
YoY Change | 15.58% | 26.88% |
Treasury Stock Shares | 5.285M shares | 4.887M shares |
Shareholders Equity | $858.6M | $795.8M |
YoY Change | ||
Total Liabilities & Shareholders Equity | $6.999B | $7.274B |
YoY Change | -3.78% | 16.99% |
Cashflow Statement
Concept | 2021 Q1 | 2020 Q1 |
---|---|---|
OPERATING ACTIVITIES | ||
Net Income | $34.09M | $3.953M |
YoY Change | 762.41% | -78.99% |
Depreciation, Depletion And Amortization | $2.882M | $3.021M |
YoY Change | -4.6% | -0.07% |
Cash From Operating Activities | $62.42M | -$3.782M |
YoY Change | -1750.32% | -118.47% |
INVESTING ACTIVITIES | ||
Capital Expenditures | $2.396M | $4.259M |
YoY Change | -43.74% | 5.42% |
Acquisitions | ||
YoY Change | ||
Other Investing Activities | -$32.30M | -$504.9M |
YoY Change | -93.6% | -547.21% |
Cash From Investing Activities | -$34.71M | -$509.1M |
YoY Change | -93.18% | -567.64% |
FINANCING ACTIVITIES | ||
Cash Dividend Paid | ||
YoY Change | ||
Common Stock Issuance & Retirement, Net | $14.13M | $23.96M |
YoY Change | -41.04% | 1708.23% |
Debt Paid & Issued, Net | ||
YoY Change | ||
Cash From Financing Activities | -$28.49M | $514.4M |
YoY Change | -105.54% | 2488.07% |
NET CHANGE | ||
Cash From Operating Activities | $62.42M | -$3.782M |
Cash From Investing Activities | -$34.71M | -$509.1M |
Cash From Financing Activities | -$28.49M | $514.4M |
Net Change In Cash | -$785.0K | $1.516M |
YoY Change | -151.78% | -98.98% |
FREE CASH FLOW | ||
Cash From Operating Activities | $62.42M | -$3.782M |
Capital Expenditures | $2.396M | $4.259M |
Free Cash Flow | $60.02M | -$8.041M |
YoY Change | -846.41% | -148.93% |
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InterestExpense
|
16051000 | USD |
CY2021Q1 | us-gaap |
Interest Income Expense Net
InterestIncomeExpenseNet
|
46303000 | USD |
CY2020Q1 | us-gaap |
Interest Income Expense Net
InterestIncomeExpenseNet
|
44701000 | USD |
CY2021Q1 | us-gaap |
Provision For Loan Lease And Other Losses
ProvisionForLoanLeaseAndOtherLosses
|
-10149000 | USD |
CY2020Q1 | us-gaap |
Provision For Loan Lease And Other Losses
ProvisionForLoanLeaseAndOtherLosses
|
25247000 | USD |
CY2021Q1 | us-gaap |
Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
|
56452000 | USD |
CY2020Q1 | us-gaap |
Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
|
19454000 | USD |
CY2021Q1 | sbsi |
Fee And Commissions Depositor Account
FeeAndCommissionsDepositorAccount
|
6125000 | USD |
CY2020Q1 | sbsi |
Fee And Commissions Depositor Account
FeeAndCommissionsDepositorAccount
|
6279000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
|
2003000 | USD |
CY2020Q1 | us-gaap |
Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
|
5541000 | USD |
CY2021Q1 | us-gaap |
Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
|
593000 | USD |
CY2020Q1 | us-gaap |
Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
|
170000 | USD |
CY2021Q1 | sbsi |
Fees And Commissions Fiduciary And Trust Activity
FeesAndCommissionsFiduciaryAndTrustActivity
|
1383000 | USD |
CY2020Q1 | sbsi |
Fees And Commissions Fiduciary And Trust Activity
FeesAndCommissionsFiduciaryAndTrustActivity
|
1305000 | USD |
CY2021Q1 | us-gaap |
Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
|
626000 | USD |
CY2020Q1 | us-gaap |
Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
|
569000 | USD |
CY2021Q1 | us-gaap |
Brokerage Commissions Revenue
BrokerageCommissionsRevenue
|
780000 | USD |
CY2020Q1 | us-gaap |
Brokerage Commissions Revenue
BrokerageCommissionsRevenue
|
580000 | USD |
CY2021Q1 | us-gaap |
Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
|
2113000 | USD |
CY2020Q1 | us-gaap |
Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
|
1054000 | USD |
CY2021Q1 | us-gaap |
Noninterest Income
NoninterestIncome
|
13623000 | USD |
CY2020Q1 | us-gaap |
Noninterest Income
NoninterestIncome
|
15498000 | USD |
CY2021Q1 | us-gaap |
Labor And Related Expense
LaborAndRelatedExpense
|
20044000 | USD |
CY2020Q1 | us-gaap |
Labor And Related Expense
LaborAndRelatedExpense
|
19643000 | USD |
CY2021Q1 | us-gaap |
Occupancy Net
OccupancyNet
|
3560000 | USD |
CY2020Q1 | us-gaap |
Occupancy Net
OccupancyNet
|
3311000 | USD |
CY2021Q1 | us-gaap |
Marketing And Advertising Expense
MarketingAndAdvertisingExpense
|
437000 | USD |
CY2020Q1 | us-gaap |
Marketing And Advertising Expense
MarketingAndAdvertisingExpense
|
832000 | USD |
CY2021Q1 | sbsi |
Atm Expense
ATMExpense
|
238000 | USD |
CY2020Q1 | sbsi |
Atm Expense
ATMExpense
|
224000 | USD |
CY2021Q1 | us-gaap |
Professional Fees
ProfessionalFees
|
991000 | USD |
CY2020Q1 | us-gaap |
Professional Fees
ProfessionalFees
|
1195000 | USD |
CY2021Q1 | us-gaap |
Information Technology And Data Processing
InformationTechnologyAndDataProcessing
|
1312000 | USD |
CY2020Q1 | us-gaap |
Information Technology And Data Processing
InformationTechnologyAndDataProcessing
|
1227000 | USD |
CY2021Q1 | us-gaap |
Communication
Communication
|
525000 | USD |
CY2020Q1 | us-gaap |
Communication
Communication
|
493000 | USD |
CY2021Q1 | us-gaap |
Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
|
454000 | USD |
CY2020Q1 | us-gaap |
Federal Deposit Insurance Corporation Premium Expense
FederalDepositInsuranceCorporationPremiumExpense
|
25000 | USD |
CY2021Q1 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
766000 | USD |
CY2020Q1 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
980000 | USD |
CY2021Q1 | us-gaap |
Other Noninterest Expense
OtherNoninterestExpense
|
2907000 | USD |
CY2020Q1 | us-gaap |
Other Noninterest Expense
OtherNoninterestExpense
|
2590000 | USD |
CY2021Q1 | us-gaap |
Noninterest Expense
NoninterestExpense
|
31234000 | USD |
CY2020Q1 | us-gaap |
Noninterest Expense
NoninterestExpense
|
30520000 | USD |
CY2021Q1 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
38841000 | USD |
CY2020Q1 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
4432000 | USD |
CY2021Q1 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
4750000 | USD |
CY2020Q1 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
479000 | USD |
CY2021Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
34091000 | USD |
CY2020Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
3953000 | USD |
CY2021Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.04 | |
CY2020Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.12 | |
CY2021Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.04 | |
CY2020Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.12 | |
CY2021Q1 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.32 | |
CY2020Q1 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.31 | |
CY2021Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
34091000 | USD |
CY2020Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
3953000 | USD |
CY2021Q1 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax
|
-48979000 | USD |
CY2020Q1 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax
|
61486000 | USD |
CY2021Q1 | sbsi |
Amortizationof Unrealized Gains Losseson Securities Transferred Between Availablefor Sale And Heldto Maturity Debt Securities Before Tax
AmortizationofUnrealizedGainsLossesonSecuritiesTransferredBetweenAvailableforSaleAndHeldtoMaturityDebtSecuritiesBeforeTax
|
-416000 | USD |
CY2020Q1 | sbsi |
Amortizationof Unrealized Gains Losseson Securities Transferred Between Availablefor Sale And Heldto Maturity Debt Securities Before Tax
AmortizationofUnrealizedGainsLossesonSecuritiesTransferredBetweenAvailableforSaleAndHeldtoMaturityDebtSecuritiesBeforeTax
|
-121000 | USD |
CY2021Q1 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
|
2003000 | USD |
CY2020Q1 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
|
5541000 | USD |
CY2021Q1 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
|
11023000 | USD |
CY2020Q1 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
|
-19600000 | USD |
CY2021Q1 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
|
-1568000 | USD |
CY2020Q1 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
|
101000 | USD |
CY2021Q1 | sbsi |
Other Comprehensive Income Loss Defined Benefit Plan Gain Lossand Prior Service Cost Credit Reclassification Adjustmentfrom Aoc Ibefore Tax
OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossandPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax
|
641000 | USD |
CY2020Q1 | sbsi |
Other Comprehensive Income Loss Defined Benefit Plan Gain Lossand Prior Service Cost Credit Reclassification Adjustmentfrom Aoc Ibefore Tax
OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossandPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax
|
727000 | USD |
CY2021Q1 | us-gaap |
Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
|
-37334000 | USD |
CY2020Q1 | us-gaap |
Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
|
37092000 | USD |
CY2021Q1 | us-gaap |
Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
|
-7840000 | USD |
CY2020Q1 | us-gaap |
Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
|
7789000 | USD |
CY2021Q1 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
-29494000 | USD |
CY2020Q1 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
29303000 | USD |
CY2021Q1 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
4597000 | USD |
CY2020Q1 | us-gaap |
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
33256000 | USD |
CY2020Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
875297000 | USD |
CY2021Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
34091000 | USD |
CY2021Q1 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
-29494000 | USD |
CY2021Q1 | us-gaap |
Stock Issued During Period Shares Dividend Reinvestment Plan
StockIssuedDuringPeriodSharesDividendReinvestmentPlan
|
8918 | shares |
CY2021Q1 | us-gaap |
Stock Issued During Period Value Dividend Reinvestment Plan
StockIssuedDuringPeriodValueDividendReinvestmentPlan
|
332000 | USD |
CY2021Q1 | us-gaap |
Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
|
427396 | shares |
CY2021Q1 | us-gaap |
Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
|
15213000 | USD |
CY2021Q1 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
674000 | USD |
CY2021Q1 | us-gaap |
Stock Issued During Period Shares Share Based Compensation
StockIssuedDuringPeriodSharesShareBasedCompensation
|
126260 | shares |
CY2021Q1 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
3386000 | USD |
CY2021Q1 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.32 | |
CY2021Q1 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
10476000 | USD |
CY2021Q1 | us-gaap |
Stockholders Equity
StockholdersEquity
|
858597000 | USD |
CY2019Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
804580000 | USD |
CY2020Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
3953000 | USD |
CY2020Q1 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
29303000 | USD |
CY2020Q1 | us-gaap |
Stock Issued During Period Shares Dividend Reinvestment Plan
StockIssuedDuringPeriodSharesDividendReinvestmentPlan
|
10607 | shares |
CY2020Q1 | us-gaap |
Stock Issued During Period Value Dividend Reinvestment Plan
StockIssuedDuringPeriodValueDividendReinvestmentPlan
|
347000 | USD |
CY2020Q1 | us-gaap |
Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
|
869723 | shares |
CY2020Q1 | us-gaap |
Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
|
25842000 | USD |
CY2020Q1 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
695000 | USD |
CY2020Q1 | us-gaap |
Stock Issued During Period Shares Share Based Compensation
StockIssuedDuringPeriodSharesShareBasedCompensation
|
47428 | shares |
CY2020Q1 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
1088000 | USD |
CY2020Q1 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.31 | |
CY2020Q1 | us-gaap |
Dividends Common Stock Cash
DividendsCommonStockCash
|
10494000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Federal Home Loan Bank Borrowings
ProceedsFromFederalHomeLoanBankBorrowings
|
3247401000 | USD |
CY2020Q1 | us-gaap |
Stockholders Equity
StockholdersEquity
|
795800000 | USD |
CY2021Q1 | us-gaap |
Profit Loss
ProfitLoss
|
34091000 | USD |
CY2020Q1 | us-gaap |
Profit Loss
ProfitLoss
|
3953000 | USD |
CY2021Q1 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
2882000 | USD |
CY2020Q1 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
3021000 | USD |
CY2021Q1 | us-gaap |
Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
|
-6083000 | USD |
CY2020Q1 | us-gaap |
Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
|
-4505000 | USD |
CY2021Q1 | us-gaap |
Investment Income Net Amortization Of Discount And Premium
InvestmentIncomeNetAmortizationOfDiscountAndPremium
|
223000 | USD |
CY2020Q1 | us-gaap |
Investment Income Net Amortization Of Discount And Premium
InvestmentIncomeNetAmortizationOfDiscountAndPremium
|
244000 | USD |
CY2021Q1 | us-gaap |
Provision For Loan Lease And Other Losses
ProvisionForLoanLeaseAndOtherLosses
|
-10149000 | USD |
CY2020Q1 | us-gaap |
Provision For Loan Lease And Other Losses
ProvisionForLoanLeaseAndOtherLosses
|
25247000 | USD |
CY2021Q1 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
674000 | USD |
CY2020Q1 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
695000 | USD |
CY2021Q1 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
2161000 | USD |
CY2020Q1 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
-5075000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
|
2003000 | USD |
CY2020Q1 | us-gaap |
Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
|
5541000 | USD |
CY2021Q1 | us-gaap |
Gain Loss On Disposition Of Assets
GainLossOnDispositionOfAssets
|
-227000 | USD |
CY2020Q1 | us-gaap |
Gain Loss On Disposition Of Assets
GainLossOnDispositionOfAssets
|
42000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Sale Of Mortgage Loans Held For Sale
ProceedsFromSaleOfMortgageLoansHeldForSale
|
15987000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Sale Of Mortgage Loans Held For Sale
ProceedsFromSaleOfMortgageLoansHeldForSale
|
5204000 | USD |
CY2021Q1 | us-gaap |
Payments For Origination And Purchases Of Loans Held For Sale
PaymentsForOriginationAndPurchasesOfLoansHeldForSale
|
14907000 | USD |
CY2020Q1 | us-gaap |
Payments For Origination And Purchases Of Loans Held For Sale
PaymentsForOriginationAndPurchasesOfLoansHeldForSale
|
6651000 | USD |
CY2021Q1 | us-gaap |
Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
|
2000 | USD |
CY2020Q1 | us-gaap |
Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
|
-1000 | USD |
CY2021Q1 | us-gaap |
Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
|
-11270000 | USD |
CY2020Q1 | us-gaap |
Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
|
-1383000 | USD |
CY2021Q1 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
-6459000 | USD |
CY2020Q1 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
9318000 | USD |
CY2021Q1 | us-gaap |
Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
|
-1026000 | USD |
CY2020Q1 | us-gaap |
Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
|
-2034000 | USD |
CY2021Q1 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
10891000 | USD |
CY2020Q1 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
-18886000 | USD |
CY2021Q1 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
62415000 | USD |
CY2020Q1 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
-3782000 | USD |
CY2021Q1 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
127713000 | USD |
CY2020Q1 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
683062000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
37097000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
135000000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
|
99787000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
|
80555000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
|
10871000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
|
352000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Sale Of Federal Reserve Stock
ProceedsFromSaleOfFederalReserveStock
|
16240000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Sale Of Federal Reserve Stock
ProceedsFromSaleOfFederalReserveStock
|
0 | USD |
CY2021Q1 | us-gaap |
Payments To Acquire Federal Reserve Stock
PaymentsToAcquireFederalReserveStock
|
9629000 | USD |
CY2020Q1 | us-gaap |
Payments To Acquire Federal Reserve Stock
PaymentsToAcquireFederalReserveStock
|
4661000 | USD |
CY2021Q1 | us-gaap |
Payments To Acquire Finance Receivables
PaymentsToAcquireFinanceReceivables
|
59211000 | USD |
CY2020Q1 | us-gaap |
Payments To Acquire Finance Receivables
PaymentsToAcquireFinanceReceivables
|
33207000 | USD |
CY2021Q1 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
2396000 | USD |
CY2020Q1 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
4259000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
94000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
72000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans
ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans
|
106000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans
ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans
|
46000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Sale Of Foreclosed Assets
ProceedsFromSaleOfForeclosedAssets
|
44000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Sale Of Foreclosed Assets
ProceedsFromSaleOfForeclosedAssets
|
31000 | USD |
CY2021Q1 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-34710000 | USD |
CY2020Q1 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-509133000 | USD |
CY2021Q1 | us-gaap |
Net Change Interest And Noninterest Bearing Deposits Domestic
NetChangeInterestAndNoninterestBearingDepositsDomestic
|
160308000 | USD |
CY2020Q1 | us-gaap |
Net Change Interest And Noninterest Bearing Deposits Domestic
NetChangeInterestAndNoninterestBearingDepositsDomestic
|
56281000 | USD |
CY2021Q1 | us-gaap |
Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net
IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet
|
-857000 | USD |
CY2020Q1 | us-gaap |
Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net
IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet
|
189542000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Federal Home Loan Bank Borrowings
ProceedsFromFederalHomeLoanBankBorrowings
|
4009977000 | USD |
CY2021Q1 | us-gaap |
Repayments Of Federal Home Loan Bank Borrowings
RepaymentsOfFederalHomeLoanBankBorrowings
|
4176974000 | USD |
CY2020Q1 | us-gaap |
Repayments Of Federal Home Loan Bank Borrowings
RepaymentsOfFederalHomeLoanBankBorrowings
|
2945775000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Issuance Of Subordinated Long Term Debt
ProceedsFromIssuanceOfSubordinatedLongTermDebt
|
-59000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Issuance Of Subordinated Long Term Debt
ProceedsFromIssuanceOfSubordinatedLongTermDebt
|
0 | USD |
CY2021Q1 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
3412000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
1130000 | USD |
CY2021Q1 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
26000 | USD |
CY2020Q1 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
42000 | USD |
CY2021Q1 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
14127000 | USD |
CY2020Q1 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
23959000 | USD |
CY2021Q1 | us-gaap |
Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan
ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan
|
332000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan
ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan
|
347000 | USD |
CY2021Q1 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
10476000 | USD |
CY2020Q1 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
10494000 | USD |
CY2021Q1 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-28490000 | USD |
CY2020Q1 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
514431000 | USD |
CY2021Q1 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
-785000 | USD |
CY2020Q1 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
1516000 | USD |
CY2020Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
108408000 | USD |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
110697000 | USD |
CY2021Q1 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
107623000 | USD |
CY2020Q1 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
112213000 | USD |
CY2021Q1 | us-gaap |
Interest Paid Net
InterestPaidNet
|
8288000 | USD |
CY2020Q1 | us-gaap |
Interest Paid Net
InterestPaidNet
|
18085000 | USD |
CY2021Q1 | us-gaap |
Income Taxes Paid
IncomeTaxesPaid
|
250000 | USD |
CY2020Q1 | us-gaap |
Income Taxes Paid
IncomeTaxesPaid
|
0 | USD |
CY2021Q1 | sbsi |
Loans Transferred To Other Repossessed Assets And Real Estate Through Foreclosure
LoansTransferredToOtherRepossessedAssetsAndRealEstateThroughForeclosure
|
424000 | USD |
CY2020Q1 | sbsi |
Loans Transferred To Other Repossessed Assets And Real Estate Through Foreclosure
LoansTransferredToOtherRepossessedAssetsAndRealEstateThroughForeclosure
|
338000 | USD |
CY2021Q1 | sbsi |
Unsettled Trades To Purchase Securities Liability
UnsettledTradesToPurchaseSecuritiesLiability
|
23473000 | USD |
CY2020Q1 | sbsi |
Unsettled Trades To Purchase Securities Liability
UnsettledTradesToPurchaseSecuritiesLiability
|
14596000 | USD |
CY2021Q1 | sbsi |
Unsettled Trades To Sell Securities
UnsettledTradesToSellSecurities
|
0 | USD |
CY2020Q1 | sbsi |
Unsettled Trades To Sell Securities
UnsettledTradesToSellSecurities
|
67247000 | USD |
CY2021Q1 | sbsi |
Unsettled Trades To Repurchase Common Stock
UnsettledTradesToRepurchaseCommonStock
|
-1086000 | USD |
CY2020Q1 | sbsi |
Unsettled Trades To Repurchase Common Stock
UnsettledTradesToRepurchaseCommonStock
|
-1883000 | USD |
CY2020Q4 | us-gaap |
Debt Securities Held To Maturity Past Due
DebtSecuritiesHeldToMaturityPastDue
|
0 | USD |
CY2021Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
34091000 | USD |
CY2020Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
3953000 | USD |
CY2021Q1 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
32829000 | shares |
CY2020Q1 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
33691000 | shares |
CY2021Q1 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
108000 | shares |
CY2020Q1 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
114000 | shares |
CY2021Q1 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
32937000 | shares |
CY2020Q1 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
33805000 | shares |
CY2021Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.04 | |
CY2020Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.12 | |
CY2021Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.04 | |
CY2020Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.12 | |
CY2021Q1 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
679000 | shares |
CY2020Q1 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
775000 | shares |
CY2021Q1 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
-491000 | USD |
CY2020Q1 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
3787000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
2448113000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
108763000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
9952000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
2546924000 | USD |
CY2021Q1 | sbsi |
Debt Securities Heldto Maturity Netof Allowancefor Credit Losses
DebtSecuritiesHeldtoMaturityNetofAllowanceforCreditLosses
|
98159000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Accumulated Unrecognized Holding Gain
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
|
6018000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Accumulated Unrecognized Holding Loss
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
|
0 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
|
104177000 | USD |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
2437513000 | USD |
CY2020Q1 | us-gaap |
Debt Securities Available For Sale Allowance For Credit Loss Period Increase Decrease
DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease
|
0 | USD |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
150074000 | USD |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
282000 | USD |
CY2020Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
2587305000 | USD |
CY2020Q4 | sbsi |
Debt Securities Heldto Maturity Netof Allowancefor Credit Losses
DebtSecuritiesHeldtoMaturityNetofAllowanceforCreditLosses
|
108998000 | USD |
CY2020Q4 | us-gaap |
Held To Maturity Securities Accumulated Unrecognized Holding Gain
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
|
9200000 | USD |
CY2020Q4 | us-gaap |
Held To Maturity Securities Accumulated Unrecognized Holding Loss
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
|
0 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
|
0 | USD |
CY2020Q4 | us-gaap |
Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
|
118198000 | USD |
CY2021Q1 | us-gaap |
Pledged Financial Instruments Not Separately Reported Securities Pledged
PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
|
1470000000 | USD |
CY2020Q4 | us-gaap |
Pledged Financial Instruments Not Separately Reported Securities Pledged
PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
|
1560000000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
|
270170000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
|
9952000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
|
0 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
|
0 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
|
270170000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
|
9952000 | USD |
CY2020Q4 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
|
39898000 | USD |
CY2020Q4 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
|
282000 | USD |
CY2020Q4 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
|
0 | USD |
CY2020Q4 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
|
0 | USD |
CY2020Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
|
39898000 | USD |
CY2020Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
|
282000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Allowance For Credit Loss Period Increase Decrease
DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease
|
0 | USD |
CY2020Q4 | us-gaap |
Debt Securities Available For Sale Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
|
0 | USD |
CY2020Q1 | us-gaap |
Debt Securities Held To Maturity Credit Loss Expense Reversal
DebtSecuritiesHeldToMaturityCreditLossExpenseReversal
|
0 | USD |
CY2021Q1 | us-gaap |
Debt Securities Held To Maturity Credit Loss Expense Reversal
DebtSecuritiesHeldToMaturityCreditLossExpenseReversal
|
0 | USD |
CY2021Q1 | sbsi |
Transferred Securities Unrealized Loss Before Tax
TransferredSecuritiesUnrealizedLossBeforeTax
|
2400000 | USD |
CY2021Q1 | sbsi |
Securities Transferred Unrealized Loss Net Of Tax
SecuritiesTransferredUnrealizedLossNetOfTax
|
1900000 | USD |
CY2020Q4 | sbsi |
Transferred Securities Unrealized Loss Before Tax
TransferredSecuritiesUnrealizedLossBeforeTax
|
2900000 | USD |
CY2020Q4 | sbsi |
Securities Transferred Unrealized Loss Net Of Tax
SecuritiesTransferredUnrealizedLossNetOfTax
|
2300000 | USD |
CY2021Q1 | sbsi |
Securities Transferred From Available For Sale To Held To Maturity
SecuritiesTransferredFromAvailableForSaleToHeldToMaturity
|
0 | USD |
CY2020 | sbsi |
Securities Transferred From Available For Sale To Held To Maturity
SecuritiesTransferredFromAvailableForSaleToHeldToMaturity
|
0 | USD |
CY2021Q1 | us-gaap |
Debt Securities Held To Maturity Past Due
DebtSecuritiesHeldToMaturityPastDue
|
0 | USD |
CY2021Q1 | us-gaap |
Debt Securities Held To Maturity Nonaccrual
DebtSecuritiesHeldToMaturityNonaccrual
|
0 | USD |
CY2020Q4 | us-gaap |
Debt Securities Held To Maturity Nonaccrual
DebtSecuritiesHeldToMaturityNonaccrual
|
0 | USD |
CY2021Q1 | us-gaap |
Interest Income Securities Us Treasury And Other Us Government
InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
|
37000 | USD |
CY2020Q1 | us-gaap |
Interest Income Securities Us Treasury And Other Us Government
InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
|
0 | USD |
CY2021Q1 | us-gaap |
Interest Income Securities State And Municipal
InterestIncomeSecuritiesStateAndMunicipal
|
10406000 | USD |
CY2020Q1 | us-gaap |
Interest Income Securities State And Municipal
InterestIncomeSecuritiesStateAndMunicipal
|
6625000 | USD |
CY2021Q1 | sbsi |
Interest Income Other Stocks And Bonds
InterestIncomeOtherStocksAndBonds
|
845000 | USD |
CY2020Q1 | sbsi |
Interest Income Other Stocks And Bonds
InterestIncomeOtherStocksAndBonds
|
93000 | USD |
CY2021Q1 | us-gaap |
Interest Income Securities Mortgage Backed
InterestIncomeSecuritiesMortgageBacked
|
6088000 | USD |
CY2020Q1 | us-gaap |
Interest Income Securities Mortgage Backed
InterestIncomeSecuritiesMortgageBacked
|
11534000 | USD |
CY2021Q1 | us-gaap |
Interest And Other Income
InterestAndOtherIncome
|
17376000 | USD |
CY2020Q1 | us-gaap |
Interest And Other Income
InterestAndOtherIncome
|
18252000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
|
2000000.0 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
|
2100000 | USD |
CY2021Q1 | us-gaap |
Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
|
52000 | USD |
CY2020Q1 | us-gaap |
Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
|
5500000 | USD |
CY2020Q1 | us-gaap |
Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
|
5600000 | USD |
CY2020Q1 | us-gaap |
Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
|
10000 | USD |
CY2020Q1 | us-gaap |
Proceeds From Sale Of Held To Maturity Securities
ProceedsFromSaleOfHeldToMaturitySecurities
|
0 | USD |
CY2021Q1 | us-gaap |
Proceeds From Sale Of Held To Maturity Securities
ProceedsFromSaleOfHeldToMaturitySecurities
|
0 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
|
1036000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
|
1061000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
|
32542000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
33937000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
|
93914000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
|
96177000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities After Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
|
1535281000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities After Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
|
1595730000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
|
1662773000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities Single Maturity Date
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate
|
1726905000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost
|
785340000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
|
820019000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
2448113000 | USD |
CY2021Q1 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
2546924000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
|
120000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities Within One Year Fair Value
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
|
121000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
|
509000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
514000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
|
279000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
|
282000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
|
0 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities After Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
|
0 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis
HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
|
908000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value
HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue
|
917000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount
|
97251000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value
HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
|
103260000 | USD |
CY2021Q1 | sbsi |
Debt Securities Heldto Maturity Netof Allowancefor Credit Losses
DebtSecuritiesHeldtoMaturityNetofAllowanceforCreditLosses
|
98159000 | USD |
CY2021Q1 | us-gaap |
Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
|
104177000 | USD |
CY2021Q1 | us-gaap |
Equity Securities Fv Ni And Without Readily Determinable Fair Value
EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue
|
11800000 | USD |
CY2020Q4 | us-gaap |
Equity Securities Fv Ni And Without Readily Determinable Fair Value
EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue
|
11900000 | USD |
CY2021Q1 | us-gaap |
Unrealized Gain Loss On Investments
UnrealizedGainLossOnInvestments
|
-107000 | USD |
CY2020Q1 | us-gaap |
Unrealized Gain Loss On Investments
UnrealizedGainLossOnInvestments
|
53000 | USD |
CY2021Q1 | us-gaap |
Gain Loss On Sale Of Investments
GainLossOnSaleOfInvestments
|
0 | USD |
CY2020Q1 | us-gaap |
Gain Loss On Sale Of Investments
GainLossOnSaleOfInvestments
|
0 | USD |
CY2021Q1 | us-gaap |
Realized Investment Gains Losses
RealizedInvestmentGainsLosses
|
-107000 | USD |
CY2020Q1 | us-gaap |
Realized Investment Gains Losses
RealizedInvestmentGainsLosses
|
53000 | USD |
CY2021Q1 | sbsi |
Other Than Temporarily Impaired Equity Investments
OtherThanTemporarilyImpairedEquityInvestments
|
0 | USD |
CY2021Q1 | sbsi |
Federal Home Loan Bank Stock With Other Than Temporary Impairment
FederalHomeLoanBankStockWithOtherThanTemporaryImpairment
|
0 | USD |
CY2021Q1 | us-gaap |
Notes Receivable Gross
NotesReceivableGross
|
3716598000 | USD |
CY2020Q4 | us-gaap |
Notes Receivable Gross
NotesReceivableGross
|
3657779000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
|
41454000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
|
49006000 | USD |
CY2021Q1 | us-gaap |
Notes Receivable Net
NotesReceivableNet
|
3675144000 | USD |
CY2020Q4 | us-gaap |
Notes Receivable Net
NotesReceivableNet
|
3608773000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Originated In Current Fiscal Year
FinancingReceivableOriginatedInCurrentFiscalYear
|
367033000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year
FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
|
890010000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Originated Two Years Before Latest Fiscal Year
FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
|
713390000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Originated Three Years Before Latest Fiscal Year
FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
|
343496000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Originated Four Years Before Latest Fiscal Year
FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
|
371569000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Originated Five Or More Years Before Latest Fiscal Year
FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
|
750939000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Revolving
FinancingReceivableRevolving
|
280161000 | USD |
CY2021Q1 | us-gaap |
Notes Receivable Gross
NotesReceivableGross
|
3716598000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Originated In Current Fiscal Year
FinancingReceivableOriginatedInCurrentFiscalYear
|
1030002000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year
FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
|
779358000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Originated Two Years Before Latest Fiscal Year
FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
|
370505000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Originated Three Years Before Latest Fiscal Year
FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
|
389723000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Originated Four Years Before Latest Fiscal Year
FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
|
199634000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Originated Five Or More Years Before Latest Fiscal Year
FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
|
627713000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Revolving
FinancingReceivableRevolving
|
260844000 | USD |
CY2020Q4 | us-gaap |
Notes Receivable Gross
NotesReceivableGross
|
3657779000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Recorded Investment Past Due
FinancingReceivableRecordedInvestmentPastDue
|
15071000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Recorded Investment Current
FinancingReceivableRecordedInvestmentCurrent
|
3701527000 | USD |
CY2021Q1 | us-gaap |
Notes Receivable Gross
NotesReceivableGross
|
3716598000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Recorded Investment Past Due
FinancingReceivableRecordedInvestmentPastDue
|
21587000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Recorded Investment Current
FinancingReceivableRecordedInvestmentCurrent
|
3636192000 | USD |
CY2021Q1 | sbsi |
Financing Receivable Collateral Dependent
FinancingReceivableCollateralDependent
|
11200000 | USD |
CY2020Q4 | us-gaap |
Notes Receivable Gross
NotesReceivableGross
|
3657779000 | USD |
CY2021Q1 | sbsi |
Restructured Nonaccrual Loans
RestructuredNonaccrualLoans
|
889000 | USD |
CY2020Q4 | sbsi |
Restructured Nonaccrual Loans
RestructuredNonaccrualLoans
|
976000 | USD |
CY2021Q1 | sbsi |
Financing Receivable Nonaccrual Interest Income Reversal
FinancingReceivableNonaccrualInterestIncomeReversal
|
18000 | USD |
CY2020Q1 | sbsi |
Financing Receivable Nonaccrual Interest Income Reversal
FinancingReceivableNonaccrualInterestIncomeReversal
|
121000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Nonaccrual No Allowance
FinancingReceivableNonaccrualNoAllowance
|
1600000 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Nonaccrual No Allowance
FinancingReceivableNonaccrualNoAllowance
|
2200000 | USD |
CY2020Q4 | sbsi |
Financing Receivable Collateral Dependent
FinancingReceivableCollateralDependent
|
11500000 | USD |
CY2021Q1 | sbsi |
Loansin Processof Foreclosure
LoansinProcessofForeclosure
|
234000 | USD |
CY2020Q4 | sbsi |
Loansin Processof Foreclosure
LoansinProcessofForeclosure
|
1200000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Modifications Post Modification Recorded Investment2
FinancingReceivableModificationsPostModificationRecordedInvestment2
|
148000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Modifications Number Of Contracts2
FinancingReceivableModificationsNumberOfContracts2
|
3 | contract |
CY2020Q1 | us-gaap |
Financing Receivable Modifications Post Modification Recorded Investment2
FinancingReceivableModificationsPostModificationRecordedInvestment2
|
62000 | USD |
CY2020Q1 | us-gaap |
Financing Receivable Modifications Number Of Contracts2
FinancingReceivableModificationsNumberOfContracts2
|
2 | contract |
CY2020Q1 | us-gaap |
Loans And Leases Receivable Impaired Commitment To Lend
LoansAndLeasesReceivableImpairedCommitmentToLend
|
0 | USD |
CY2021Q1 | us-gaap |
Loans And Leases Receivable Impaired Commitment To Lend
LoansAndLeasesReceivableImpairedCommitmentToLend
|
0 | USD |
CY2020Q4 | us-gaap |
Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
|
49006000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
|
795000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
|
622000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery
|
173000 | USD |
CY2021Q1 | us-gaap |
Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
|
-7379000 | USD |
CY2021Q1 | us-gaap |
Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
|
41454000 | USD |
CY2019Q4 | us-gaap |
Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
|
24797000 | USD |
CY2020Q1 | us-gaap |
Financing Receivable Allowance For Credit Losses Write Offs
FinancingReceivableAllowanceForCreditLossesWriteOffs
|
995000 | USD |
CY2020Q1 | us-gaap |
Financing Receivable Allowance For Credit Losses Recovery
FinancingReceivableAllowanceForCreditLossesRecovery
|
451000 | USD |
CY2020Q1 | us-gaap |
Financing Receivable Allowance For Credit Loss Writeoff After Recovery
FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery
|
544000 | USD |
CY2020Q1 | us-gaap |
Provision For Loan Losses Expensed
ProvisionForLoanLossesExpensed
|
24082000 | USD |
CY2020Q1 | us-gaap |
Financing Receivable Allowance For Credit Losses
FinancingReceivableAllowanceForCreditLosses
|
53638000 | USD |
CY2021Q1 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
9900000 | USD |
CY2021Q1 | sbsi |
Borrowed Funds Maturities Repaymentsof Principalinthe Next Twelve Months
BorrowedFundsMaturitiesRepaymentsofPrincipalintheNextTwelveMonths
|
683974000 | USD |
CY2021Q1 | sbsi |
Borrowed Funds Maturingin Year Two
BorrowedFundsMaturinginYearTwo
|
687000 | USD |
CY2021Q1 | sbsi |
Borrowed Funds Maturingin Year Three
BorrowedFundsMaturinginYearThree
|
717000 | USD |
CY2021Q1 | sbsi |
Borrowed Funds Maturingin Year Four
BorrowedFundsMaturinginYearFour
|
748000 | USD |
CY2021Q1 | sbsi |
Borrowed Funds Maturingin Year Five
BorrowedFundsMaturinginYearFive
|
775000 | USD |
CY2021Q1 | sbsi |
Borrowed Funds Maturing After Year Five
BorrowedFundsMaturingAfterYearFive
|
944000 | USD |
CY2021Q1 | us-gaap |
Debt And Capital Lease Obligations
DebtAndCapitalLeaseObligations
|
687845000 | USD |
CY2021Q1 | sbsi |
Line Of Credit Facility Number Of Credit Lines Maintained By Company
LineOfCreditFacilityNumberOfCreditLinesMaintainedByCompany
|
3 | credit_line |
CY2021Q1 | us-gaap |
Federal Funds Purchased
FederalFundsPurchased
|
0 | USD |
CY2020Q4 | us-gaap |
Federal Funds Purchased
FederalFundsPurchased
|
0 | USD |
CY2021Q1 | sbsi |
Letters Of Credit Fhlb As Collateral
LettersOfCreditFhlbAsCollateral
|
0 | USD |
CY2021Q1 | us-gaap |
Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
|
22300000 | USD |
CY2020Q4 | us-gaap |
Securities Sold Under Agreements To Repurchase
SecuritiesSoldUnderAgreementsToRepurchase
|
23200000 | USD |
CY2021Q1 | sbsi |
Repurchase Agreement Counterparty Maturityof Agreements
RepurchaseAgreementCounterpartyMaturityofAgreements
|
P1Y | |
CY2021Q1 | us-gaap |
Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds
FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds
|
1250000000 | USD |
CY2021Q1 | us-gaap |
Subordinated Debt
SubordinatedDebt
|
197268000 | USD |
CY2020Q4 | us-gaap |
Subordinated Debt
SubordinatedDebt
|
197251000 | USD |
CY2021Q1 | us-gaap |
Other Long Term Debt
OtherLongTermDebt
|
60256000 | USD |
CY2020Q4 | us-gaap |
Other Long Term Debt
OtherLongTermDebt
|
60255000 | USD |
CY2021Q1 | us-gaap |
Long Term Debt
LongTermDebt
|
257524000 | USD |
CY2020Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
257506000 | USD |
CY2021Q1 | us-gaap |
Debt Instrument Face Amount
DebtInstrumentFaceAmount
|
625000000.0 | USD |
CY2021Q1 | us-gaap |
Collateral Already Posted Aggregate Fair Value
CollateralAlreadyPostedAggregateFairValue
|
19100000 | USD |
CY2020Q4 | us-gaap |
Collateral Already Posted Aggregate Fair Value
CollateralAlreadyPostedAggregateFairValue
|
39300000 | USD |
CY2021Q1 | us-gaap |
Derivative Collateral Right To Reclaim Cash
DerivativeCollateralRightToReclaimCash
|
1300000 | USD |
CY2021Q1 | us-gaap |
Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
|
14035000 | USD |
CY2021Q1 | us-gaap |
Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
|
23079000 | USD |
CY2020Q4 | us-gaap |
Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
|
18537000 | USD |
CY2020Q4 | us-gaap |
Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
|
40172000 | USD |
CY2021Q1 | us-gaap |
Derivative Asset Fair Value Gross Liability
DerivativeAssetFairValueGrossLiability
|
3055000 | USD |
CY2021Q1 | us-gaap |
Derivative Liability Fair Value Gross Asset
DerivativeLiabilityFairValueGrossAsset
|
3055000 | USD |
CY2020Q4 | us-gaap |
Derivative Asset Fair Value Gross Liability
DerivativeAssetFairValueGrossLiability
|
0 | USD |
CY2020Q4 | us-gaap |
Derivative Liability Fair Value Gross Asset
DerivativeLiabilityFairValueGrossAsset
|
0 | USD |
CY2021Q1 | us-gaap |
Derivative Asset Collateral Obligation To Return Cash Offset
DerivativeAssetCollateralObligationToReturnCashOffset
|
0 | USD |
CY2021Q1 | us-gaap |
Derivative Liability Collateral Right To Reclaim Cash Offset
DerivativeLiabilityCollateralRightToReclaimCashOffset
|
19114000 | USD |
CY2020Q4 | us-gaap |
Derivative Asset Collateral Obligation To Return Cash Offset
DerivativeAssetCollateralObligationToReturnCashOffset
|
0 | USD |
CY2020Q4 | us-gaap |
Derivative Liability Collateral Right To Reclaim Cash Offset
DerivativeLiabilityCollateralRightToReclaimCashOffset
|
39270000 | USD |
CY2021Q1 | us-gaap |
Derivative Assets
DerivativeAssets
|
10980000 | USD |
CY2021Q1 | us-gaap |
Derivative Liabilities
DerivativeLiabilities
|
910000 | USD |
CY2020Q4 | us-gaap |
Derivative Assets
DerivativeAssets
|
18537000 | USD |
CY2020Q4 | us-gaap |
Derivative Liabilities
DerivativeLiabilities
|
902000 | USD |
CY2021Q1 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
2589000 | USD |
CY2020Q1 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
5554000 | USD |
CY2021Q1 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
2161000 | USD |
CY2020Q1 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
-5075000 | USD |
CY2021Q1 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
4750000 | USD |
CY2020Q1 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
479000 | USD |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
15500000 | USD |
CY2021Q1 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
0 | USD |
CY2020Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
0 | USD |
CY2021Q1 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
4800000 | USD |
CY2021Q1 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.122 | |
CY2020Q1 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
479000 | USD |
CY2020Q1 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.108 | |
CY2020Q4 | us-gaap |
Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
|
6386000 | USD |
CY2019Q4 | us-gaap |
Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
|
1455000 | USD |
CY2021Q1 | us-gaap |
Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal
OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal
|
-2770000 | USD |
CY2020Q1 | us-gaap |
Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal
OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal
|
1165000 | USD |
CY2021Q1 | us-gaap |
Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
|
3616000 | USD |
CY2020Q1 | us-gaap |
Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
|
7460000 | USD |
CY2021Q1 | us-gaap |
Fair Value Disclosure Offbalance Sheet Risks Amount Liability
FairValueDisclosureOffbalanceSheetRisksAmountLiability
|
822399000 | USD |
CY2020Q4 | us-gaap |
Fair Value Disclosure Offbalance Sheet Risks Amount Liability
FairValueDisclosureOffbalanceSheetRisksAmountLiability
|
806796000 | USD |
CY2021Q1 | us-gaap |
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
|
1100000 | USD |
CY2021Q1 | sbsi |
Lessee Operating Lease Numberof Contracts
LesseeOperatingLeaseNumberofContracts
|
1 | contract |
CY2020Q1 | us-gaap |
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
|
227000 | USD |
CY2021Q1 | sbsi |
Unsettled Trades To Purchase Securities Liability
UnsettledTradesToPurchaseSecuritiesLiability
|
23500000 | USD |
CY2021Q1 | sbsi |
Unsettled Trades To Sell Securities
UnsettledTradesToSellSecurities
|
0 | USD |
CY2020Q4 | sbsi |
Unsettled Trades To Purchase Securities Liability
UnsettledTradesToPurchaseSecuritiesLiability
|
0 | USD |
CY2020Q4 | sbsi |
Unsettled Trades To Sell Securities
UnsettledTradesToSellSecurities
|
0 | USD |
CY2021Q1 | sbsi |
Unsettled Issuancesof Brokered C Ds
UnsettledIssuancesofBrokeredCDs
|
0 | USD |
CY2020Q4 | sbsi |
Unsettled Issuancesof Brokered C Ds
UnsettledIssuancesofBrokeredCDs
|
0 | USD |