$TCBK
Trico Bancshares Stock $tcbk

$tcbk Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-Q Financial Statement

#000035617124000102 Filed on August 06, 2024

Income Statement

Concept	2024 Q3	2024 Q2
Revenue	$12.78M	$12.80M
YoY Change	-2.24%	-1.33%
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		$2.522M
YoY Change		-23.04%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$39.40M	$39.12M
YoY Change	-6.36%	16.95%
Income Tax	$10.35M	$10.09M
% Of Pretax Income	26.26%	25.78%
Net Earnings	$29.05M	$29.03M
YoY Change	-5.03%	16.64%
Net Earnings / Revenue	227.28%	226.9%
Basic Earnings Per Share	$0.88	$0.88
Diluted Earnings Per Share	$0.88	$0.87
COMMON SHARES
Basic Shares Outstanding	32.99M shares	33.17M shares
Diluted Shares Outstanding	33.14M shares	33.24M shares

Balance Sheet

Concept	2024 Q3	2024 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$320.1M	$206.6M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$95.14M	$95.73M
YoY Change	32.58%	31.83%
Goodwill	$304.4M	$304.4M
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	$9.824B	$9.741B
YoY Change	-0.74%	-1.14%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$11.66M	$12.02M
YoY Change	66.63%	228.81%
Accrued Expenses	$26.67M	$27.12M
YoY Change	-11.11%	-13.56%
Deferred Revenue
YoY Change
Short-Term Debt	$266.8M	$247.8M
YoY Change	-50.42%	-36.91%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$305.1M	$286.9M
YoY Change	-46.94%	-32.92%
LONG-TERM LIABILITIES
Long-Term Debt	$101.2M	$101.1M
YoY Change	0.16%	0.08%
Other Long-Term Liabilities	$141.5M	$128.1M
YoY Change	-0.34%	-6.16%
Total Long-Term Liabilities	$242.7M	$229.2M
YoY Change	-0.13%	-3.5%
TOTAL LIABILITIES
Total Short-Term Liabilities	$305.1M	$286.9M
Total Long-Term Liabilities	$242.7M	$229.2M
Total Liabilities	$8.585B	$8.566B
YoY Change	-2.74%	-2.22%
SHAREHOLDERS EQUITY
Retained Earnings	$662.8M	$644.7M
YoY Change	10.57%	11.37%
Common Stock	$693.2M	$691.9M
YoY Change	-0.46%	-0.49%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.239B	$1.175B
YoY Change
Total Liabilities & Shareholders Equity	$9.824B	$9.741B
YoY Change	-0.74%	-1.14%

Cashflow Statement

Concept	2024 Q3	2024 Q2
OPERATING ACTIVITIES
Net Income	$29.05M	$29.03M
YoY Change	-5.03%	16.64%
Depreciation, Depletion And Amortization		$2.522M
YoY Change		-23.04%
Cash From Operating Activities		$31.81M
YoY Change		84.5%
INVESTING ACTIVITIES
Capital Expenditures		$982.0K
YoY Change		-51.51%
Acquisitions
YoY Change
Other Investing Activities		$196.0M
YoY Change		-935.57%
Cash From Investing Activities		$195.1M
YoY Change		-865.33%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		-103.1M
YoY Change		-717.54%
NET CHANGE
Cash From Operating Activities		31.81M
Cash From Investing Activities		195.1M
Cash From Financing Activities		-103.1M
Net Change In Cash		123.7M
YoY Change		1362.95%
FREE CASH FLOW
Cash From Operating Activities		$31.81M
Capital Expenditures		$982.0K
Free Cash Flow		$30.83M
YoY Change		102.6%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	32989327	shares
CY2024Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	851000	usd
CY2024Q2	tcbk	Performance Share Units Vesting PerformanceShareUnitsVesting	344000	usd
CY2024Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10905000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	1175050000	usd
	us-gaap	Net Income Loss NetIncomeLoss	60725000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	12529000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	156000	usd
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	1354000	usd
	tcbk	Performance Share Units Vesting PerformanceShareUnitsVesting	617000	usd
CY2024Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	8212000	usd
	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	3670000	usd
	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	3314000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	164733000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	649000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	501000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-45000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-164000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98701000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	107230000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	206558000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	118792000	usd
	us-gaap	Professional Fees ProfessionalFees	3574000	usd
	tcbk	Operational Losses OperationalLosses	596000	usd
	tcbk	Operational Losses OperationalLosses	1525000	usd
CY2024Q2	tcbk	Gain Loss On Foreclosed Assets Excluding Transfer Of Loans1 GainLossOnForeclosedAssetsExcludingTransferOfLoans1	0	usd
CY2023Q2	tcbk	Gain Loss On Foreclosed Assets Excluding Transfer Of Loans1 GainLossOnForeclosedAssetsExcludingTransferOfLoans1	0	usd
CY2024Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-1000	usd
CY2023Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-18000	usd
CY2024Q2	tcbk	Other Operating Expenses OtherOperatingExpenses	3955000	usd
CY2024Q2	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2789000	usd
CY2023Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	0	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2184452000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2384325000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1940783000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2152504000	usd
CY2024Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2024Q2	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	122673000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	133494000	usd
CY2024Q2	us-gaap	Restricted Investments RestrictedInvestments	17250000	usd
CY2023Q4	us-gaap	Restricted Investments RestrictedInvestments	17250000	usd
CY2024Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	474000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	458000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6742526000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6794470000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	123517000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	121522000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	6619009000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	6672948000	usd
CY2024Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	70621000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	71347000	usd
CY2024Q2	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	138525000	usd
CY2023Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	136892000	usd
CY2024Q2	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	35527000	usd
CY2023Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	36768000	usd
CY2024Q2	us-gaap	Goodwill Goodwill	304442000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	304442000	usd
CY2024Q2	tcbk	Core Deposit Intangible CoreDepositIntangible	8492000	usd
CY2023Q4	tcbk	Core Deposit Intangible CoreDepositIntangible	10552000	usd
CY2024Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	25113000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	26133000	usd
CY2024Q2	us-gaap	Other Assets OtherAssets	246548000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	245966000	usd
CY2024Q2	us-gaap	Assets Assets	9741399000	usd
CY2023Q4	us-gaap	Assets Assets	9910089000	usd
CY2024Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2557063000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2722689000	usd
CY2024Q2	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	5493167000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	5111349000	usd
CY2024Q2	us-gaap	Deposits Deposits	8050230000	usd
CY2023Q4	us-gaap	Deposits Deposits	7834038000	usd
CY2024Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	12018000	usd
CY2023Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	8445000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	27122000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	28261000	usd
CY2024Q2	us-gaap	Other Liabilities OtherLiabilities	128063000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	145982000	usd
CY2024Q2	us-gaap	Other Borrowings OtherBorrowings	247773000	usd
CY2023Q4	us-gaap	Other Borrowings OtherBorrowings	632582000	usd
CY2024Q2	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	101143000	usd
CY2023Q4	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	101099000	usd
CY2024Q2	us-gaap	Liabilities Liabilities	8566349000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	8750407000	usd
CY2024Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2024Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2024Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2024Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2024Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	32989327	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	33268102	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	33268102	shares
CY2024Q2	us-gaap	Common Stock Value CommonStockValue	691878000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	697349000	usd
CY2024Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	644687000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	615502000	usd
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-161515000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-153169000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	1175050000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1159682000	usd
CY2024Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9741399000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9910089000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	194713000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	169161000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	34066000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	37089000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1832000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2570000	usd
	us-gaap	Dividend Income Operating DividendIncomeOperating	767000	usd
	us-gaap	Dividend Income Operating DividendIncomeOperating	602000	usd
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1071000	usd
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	643000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	232449000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	210065000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	52550000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	16602000	usd
	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	11496000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	67716000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	28128000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	181937000	usd
	tcbk	Provision For Benefit From Provisions For Loan Losses ProvisionForBenefitFromProvisionsForLoanLosses	4710000	usd
	tcbk	Provision For Benefit From Provisions For Loan Losses ProvisionForBenefitFromProvisionsForLoanLosses	13845000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	160023000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	168092000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	25433000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	24165000	usd
	tcbk	Asset Management And Commission Income AssetManagementAndCommissionIncome	2487000	usd
	tcbk	Asset Management And Commission Income AssetManagementAndCommissionIncome	2092000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1634000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1590000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1479000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1192000	usd
	us-gaap	Noninterest Income NoninterestIncome	31637000	usd
	us-gaap	Noninterest Income NoninterestIncome	29376000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	69705000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	67277000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	45138000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	47760000	usd
	us-gaap	Noninterest Expense NoninterestExpense	114843000	usd
	us-gaap	Noninterest Expense NoninterestExpense	115037000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	76817000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	82431000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20034000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21706000	usd
	us-gaap	Net Income Loss NetIncomeLoss	56783000	usd
	us-gaap	Net Income Loss NetIncomeLoss	60725000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.71
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.83
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.82
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.66
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.60
	us-gaap	Net Income Loss NetIncomeLoss	56783000	usd
	us-gaap	Net Income Loss NetIncomeLoss	60725000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-8346000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	12529000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	usd
	tcbk	Other Comprehensive Income Loss Joint Beneficiary Agreement Liability Adjustments Reclassification Net Of Tax OtherComprehensiveIncomeLossJointBeneficiaryAgreementLiabilityAdjustmentsReclassificationNetOfTax	0	usd
	tcbk	Other Comprehensive Income Loss Joint Beneficiary Agreement Liability Adjustments Reclassification Net Of Tax OtherComprehensiveIncomeLossJointBeneficiaryAgreementLiabilityAdjustmentsReclassificationNetOfTax	0	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8346000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	12529000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	48437000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	73254000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1090245000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	24892000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-11915000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	78000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	626000	usd
CY2023Q2	tcbk	Performance Share Units Vesting PerformanceShareUnitsVesting	304000	usd
CY2023Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1479000	usd
CY2023Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	9970000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	1092781000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1163051000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	29034000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2852000	usd
CY2024Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	10177000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1046416000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	9074000	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	19942000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	1092781000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1159682000	usd
	us-gaap	Net Income Loss NetIncomeLoss	56783000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8346000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	1619000	usd
	tcbk	Performance Share Units Vesting PerformanceShareUnitsVesting	775000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	13585000	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	21878000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	1175050000	usd
	us-gaap	Profit Loss ProfitLoss	56783000	usd
	us-gaap	Profit Loss ProfitLoss	60725000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	3000000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	3187000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2060000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3312000	usd
	tcbk	Provision For Benefit From Provisions For Credit Losses ProvisionForBenefitFromProvisionsForCreditLosses	4350000	usd
	tcbk	Provision For Benefit From Provisions For Credit Losses ProvisionForBenefitFromProvisionsForCreditLosses	13295000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-271000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-572000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-45000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-164000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	25245000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	19230000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	25682000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	20373000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	649000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	501000	usd
	tcbk	Change In Market Value Of Mortgage Servicing Rights ChangeInMarketValueOfMortgageServicingRights	136000	usd
	tcbk	Change In Market Value Of Mortgage Servicing Rights ChangeInMarketValueOfMortgageServicingRights	125000	usd
	tcbk	Provision For Benefit From Losses On Foreclosed Assets ProvisionForBenefitFromLossesOnForeclosedAssets	262000	usd
	tcbk	Provision For Benefit From Losses On Foreclosed Assets ProvisionForBenefitFromLossesOnForeclosedAssets	525000	usd
	tcbk	Gain On Transfer Of Loans To Foreclosed Assets GainOnTransferOfLoansToForeclosedAssets	38000	usd
	tcbk	Gain On Transfer Of Loans To Foreclosed Assets GainOnTransferOfLoansToForeclosedAssets	0	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2010000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3238000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	255047000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	89765000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	216192000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-233648000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-384809000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	128109000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	13585000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9074000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	21878000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	19942000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	156000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-204080000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-134399000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	107857000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	11562000	usd
	tcbk	Unrealized Gain Loss On Securities Available For Sale UnrealizedGainLossOnSecuritiesAvailableForSale	-11848000	usd
	tcbk	Unrealized Gain Loss On Securities Available For Sale UnrealizedGainLossOnSecuritiesAvailableForSale	17787000	usd
	tcbk	Market Value Of Shares Tendered By Employees In Lieu Of Cash To Pay For Exercise Of Options And Or Related Taxes MarketValueOfSharesTenderedByEmployeesInLieuOfCashToPayForExerciseOfOptionsAndOrRelatedTaxes	1102000	usd
	tcbk	Market Value Of Shares Tendered By Employees In Lieu Of Cash To Pay For Exercise Of Options And Or Related Taxes MarketValueOfSharesTenderedByEmployeesInLieuOfCashToPayForExerciseOfOptionsAndOrRelatedTaxes	2100000	usd
	tcbk	Obligations Incurred Leased Assets ObligationsIncurredLeasedAssets	1426000	usd
	tcbk	Obligations Incurred Leased Assets ObligationsIncurredLeasedAssets	4855000	usd
	tcbk	Loans Transferred To Foreclosed Assets LoansTransferredToForeclosedAssets	12000	usd
	tcbk	Loans Transferred To Foreclosed Assets LoansTransferredToForeclosedAssets	0	usd
	us-gaap	Interest Paid Net InterestPaidNet	64143000	usd
	us-gaap	Interest Paid Net InterestPaidNet	25639000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	21200000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	35300000	usd
	tcbk	Number Of Subsidiary Business Trust NumberOfSubsidiaryBusinessTrust	5	trust
CY2024Q2	tcbk	Number Of Loan Production Offices NumberOfLoanProductionOffices	2	trust
CY2024Q2	us-gaap	Equity Method Investment Aggregate Cost EquityMethodInvestmentAggregateCost	1800000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Use of Estimates in the Preparation of Financial Statements</span></div><div style="margin-top:6pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.</span></div><div style="margin-top:6pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023 (the “2023 Annual Report”). The Company believes that the disclosures made are adequate to make the information not misleading.</span></div>
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Segment and Significant Group Concentration of Credit Risk</span></div><div style="margin-top:6pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company grants agribusiness, commercial, consumer, and residential loans to customers located throughout California. The Company has a diversified loan portfolio within the business segments located in this geographical area. The Company currently classifies all its operation into one business segment that it denotes as community banking.</span></div>
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:115%">Reclassification</span></div><div style="margin-top:6pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Some items in the prior year consolidated financial statements were reclassified to conform to the current presentation. Reclassifications had no effect on prior year net income or shareholders’ equity.</span></div>
	tcbk	Nonaccrual Status Loans Contractual Past Due NonaccrualStatusLoansContractualPastDue	P90D
CY2024Q2	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2184452000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	655000	usd
CY2024Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	244324000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1940783000	usd
CY2024Q2	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	122673000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	4000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	8968000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	113709000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2384325000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	525000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	232346000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2152504000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	133494000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	6000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	8374000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	125126000	usd
CY2024Q2	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	28600000	usd
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	28600000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-2900000	usd
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	24200000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-200000	usd
CY2023Q2	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	usd
CY2024Q2	tcbk	Securities Pledged As Collateral SecuritiesPledgedAsCollateral	755000000.0	usd
CY2023Q4	tcbk	Securities Pledged As Collateral SecuritiesPledgedAsCollateral	702200000	usd
CY2024Q2	us-gaap	Us Government Agencies Securities At Carrying Value USGovernmentAgenciesSecuritiesAtCarryingValue	1300000000	usd
	tcbk	Life Of Mortgage Backed Securities LifeOfMortgageBackedSecurities	P6Y8M8D
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	15715000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	15600000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	usd
CY2024Q2	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	66353000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	63156000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	4981000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	4817000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	263947000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	252757000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	89811000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	83494000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	1838437000	usd
CY2024Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	1609270000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	27881000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	25398000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2184452000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1940783000	usd
CY2024Q2	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	122673000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	113709000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	51941000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	300000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1684551000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	244024000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1736492000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	244324000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	486000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	23000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	111863000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	8945000	usd
CY2024Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	112349000	usd
CY2024Q2	tcbk	Debt Securities Held To Maturity Unrealized Accumulated Loss DebtSecuritiesHeldToMaturityUnrealizedAccumulatedLoss	8968000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	66657000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	751000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1997383000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	231595000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2064040000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	232346000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	123271000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	8374000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	123271000	usd
CY2023Q4	tcbk	Debt Securities Held To Maturity Unrealized Accumulated Loss DebtSecuritiesHeldToMaturityUnrealizedAccumulatedLoss	8374000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6742526000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6794470000	usd
CY2024Q2	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	6780439000	usd
CY2023Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	6834935000	usd
CY2024Q2	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	15457000	usd
CY2023Q4	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	15826000	usd
CY2024Q2	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-22456000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-24639000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6742526000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6794470000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	123517000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	121522000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	124394000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1610000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	398000	usd
CY2024Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	335000	usd
CY2024Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	6140000	usd
CY2024Q2	tcbk	Off Balance Sheet Credit Loss Writeoff OffBalanceSheetCreditLossWriteoff	0	usd
CY2024Q2	tcbk	Off Balance Sheet Credit Loss Recovery OffBalanceSheetCreditLossRecovery	0	usd
CY2024Q2	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	70000	usd
CY2024Q1	tcbk	Credit Loss Allowance For Credit Loss CreditLossAllowanceForCreditLoss	130534000	usd
CY2024Q2	tcbk	Credit Loss Allowance For Credit Loss Writeoff CreditLossAllowanceForCreditLossWriteoff	1610000	usd
CY2024Q2	tcbk	Credit Loss Allowance For Credit Loss Recovery CreditLossAllowanceForCreditLossRecovery	398000	usd
CY2024Q2	tcbk	Credit Loss Expense Reversal CreditLossExpenseReversal	405000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	121522000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2885000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	530000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4350000	usd
CY2023Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	5850000	usd
	tcbk	Off Balance Sheet Credit Loss Writeoff OffBalanceSheetCreditLossWriteoff	0	usd
	tcbk	Off Balance Sheet Credit Loss Recovery OffBalanceSheetCreditLossRecovery	0	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	360000	usd
CY2023Q4	tcbk	Credit Loss Allowance For Credit Loss CreditLossAllowanceForCreditLoss	127372000	usd
	tcbk	Credit Loss Allowance For Credit Loss Writeoff CreditLossAllowanceForCreditLossWriteoff	2885000	usd
	tcbk	Credit Loss Allowance For Credit Loss Recovery CreditLossAllowanceForCreditLossRecovery	530000	usd
	tcbk	Credit Loss Expense Reversal CreditLossExpenseReversal	4710000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	105680000	usd
CY2023	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	8140000	usd
CY2023	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1527000	usd
CY2023	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	22455000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4315000	usd
CY2023	tcbk	Off Balance Sheet Credit Loss Writeoff OffBalanceSheetCreditLossWriteoff	0	usd
CY2023	tcbk	Off Balance Sheet Credit Loss Recovery OffBalanceSheetCreditLossRecovery	0	usd
CY2023	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1535000	usd
CY2022Q4	tcbk	Credit Loss Allowance For Credit Loss CreditLossAllowanceForCreditLoss	109995000	usd
CY2023	tcbk	Credit Loss Allowance For Credit Loss Writeoff CreditLossAllowanceForCreditLossWriteoff	8140000	usd
CY2023	tcbk	Credit Loss Allowance For Credit Loss Recovery CreditLossAllowanceForCreditLossRecovery	1527000	usd
CY2023	tcbk	Credit Loss Expense Reversal CreditLossExpenseReversal	23990000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	108407000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	276000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	218000	usd
CY2023Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	8980000	usd
CY2023Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4195000	usd
CY2023Q2	tcbk	Off Balance Sheet Credit Loss Writeoff OffBalanceSheetCreditLossWriteoff	0	usd
CY2023Q2	tcbk	Off Balance Sheet Credit Loss Recovery OffBalanceSheetCreditLossRecovery	0	usd
CY2023Q2	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	670000	usd
CY2023Q1	tcbk	Credit Loss Allowance For Credit Loss CreditLossAllowanceForCreditLoss	112602000	usd
CY2023Q2	tcbk	Credit Loss Allowance For Credit Loss Writeoff CreditLossAllowanceForCreditLossWriteoff	276000	usd
CY2023Q2	tcbk	Credit Loss Allowance For Credit Loss Recovery CreditLossAllowanceForCreditLossRecovery	218000	usd
CY2023Q2	tcbk	Credit Loss Expense Reversal CreditLossExpenseReversal	9650000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	105680000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2034000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	388000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	13295000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4315000	usd
	tcbk	Off Balance Sheet Credit Loss Writeoff OffBalanceSheetCreditLossWriteoff	0	usd
	tcbk	Off Balance Sheet Credit Loss Recovery OffBalanceSheetCreditLossRecovery	0	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	550000	usd
CY2022Q4	tcbk	Credit Loss Allowance For Credit Loss CreditLossAllowanceForCreditLoss	109995000	usd
	tcbk	Credit Loss Allowance For Credit Loss Writeoff CreditLossAllowanceForCreditLossWriteoff	2034000	usd
	tcbk	Credit Loss Allowance For Credit Loss Recovery CreditLossAllowanceForCreditLossRecovery	388000	usd
	tcbk	Credit Loss Expense Reversal CreditLossExpenseReversal	13845000	usd
CY2024Q2	tcbk	Financing Receivable Threshold For Loan Analysis FinancingReceivableThresholdForLoanAnalysis	1000000	usd
CY2024Q2	tcbk	Financing Receivable Threshold For Loan Analysis FinancingReceivableThresholdForLoanAnalysis	1000000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	215309000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	605723000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1245990000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	1186611000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	544065000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	1880825000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1052218000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan	11785000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6742526000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	285000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	93000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	235000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	167000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	28000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	15000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	2062000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan Writeoff FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff	0	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	2885000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	609083000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1282292000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1245469000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	561665000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	459384000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	1538371000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1086036000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan	12170000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	6794470000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	529000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	369000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	240000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	3701000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	39000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	2237000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	941000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan Writeoff FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff	84000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	8140000	usd
CY2024Q2	tcbk	Financing Receivable Nonccrual No Allowance Including Guaranteed Loans FinancingReceivableNonccrualNoAllowanceIncludingGuaranteedLoans	31092000	usd
CY2024Q2	tcbk	Financing Receivable Nonaccrual Including Guaranteed Loans FinancingReceivableNonaccrualIncludingGuaranteedLoans	32502000	usd
CY2024Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	272000	usd
CY2023Q4	tcbk	Financing Receivable Nonccrual No Allowance Including Guaranteed Loans FinancingReceivableNonccrualNoAllowanceIncludingGuaranteedLoans	19588000	usd
CY2023Q4	tcbk	Financing Receivable Nonaccrual Including Guaranteed Loans FinancingReceivableNonaccrualIncludingGuaranteedLoans	31881000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	10000	usd
CY2024Q2	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	30304000	usd
CY2024Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	32502000	usd
CY2024Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	272000	usd
CY2023Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	18822000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	31003000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	10000	usd
CY2024Q2	tcbk	Loans Receivable Impaired Interest Lost On Nonaccrual Loans LoansReceivableImpairedInterestLostOnNonaccrualLoans	600000	usd
CY2023Q2	tcbk	Loans Receivable Impaired Interest Lost On Nonaccrual Loans LoansReceivableImpairedInterestLostOnNonaccrualLoans	1000000.0	usd
CY2024Q2	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0.0	usd
CY2023Q2	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	680000	usd
CY2024Q2	tcbk	Payment Combination Extension Amount PaymentCombinationExtensionAmount	0	usd
CY2024Q2	tcbk	Payment Delay Extension Amount PaymentDelayExtensionAmount	461000	usd
CY2024Q2	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0001
CY2023Q2	tcbk	Payment Delay Extension Amount PaymentDelayExtensionAmount	177000	usd
CY2023Q2	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0003
	tcbk	Payment Combination Extension Amount PaymentCombinationExtensionAmount	211000	usd
	tcbk	Payment Delay Extension Amount PaymentDelayExtensionAmount	1018000	usd
	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0002
	tcbk	Payment Delay Extension Amount PaymentDelayExtensionAmount	177000	usd
	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0003
	tcbk	Lessee Operating Lease Number Of Renewal Term Options LesseeOperatingLeaseNumberOfRenewalTermOptions	1	renewaloption
CY2024Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	1463000	usd
CY2023Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	1493000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	2897000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	3102000	usd
CY2024Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	55000	usd
CY2023Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	118000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	107000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	236000	usd
CY2024Q2	us-gaap	Variable Lease Cost VariableLeaseCost	10000	usd
CY2023Q2	us-gaap	Variable Lease Cost VariableLeaseCost	9000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	23000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	21000	usd
CY2024Q2	us-gaap	Sublease Income SubleaseIncome	0	usd
CY2023Q2	us-gaap	Sublease Income SubleaseIncome	0	usd
	us-gaap	Sublease Income SubleaseIncome	0	usd
	us-gaap	Sublease Income SubleaseIncome	0	usd
CY2024Q2	us-gaap	Lease Cost LeaseCost	1528000	usd
CY2023Q2	us-gaap	Lease Cost LeaseCost	1620000	usd
	us-gaap	Lease Cost LeaseCost	3027000	usd
	us-gaap	Lease Cost LeaseCost	3359000	usd
CY2024Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	1579000	usd
CY2023Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	1611000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	3147000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	3264000	usd
CY2024Q2	tcbk	Right Of Use Asset Obtained In Exchange For Operating Lease Liability Net RightOfUseAssetObtainedInExchangeForOperatingLeaseLiabilityNet	99000	usd
CY2023Q2	tcbk	Right Of Use Asset Obtained In Exchange For Operating Lease Liability Net RightOfUseAssetObtainedInExchangeForOperatingLeaseLiabilityNet	370000	usd
	tcbk	Right Of Use Asset Obtained In Exchange For Operating Lease Liability Net RightOfUseAssetObtainedInExchangeForOperatingLeaseLiabilityNet	1426000	usd
	tcbk	Right Of Use Asset Obtained In Exchange For Operating Lease Liability Net RightOfUseAssetObtainedInExchangeForOperatingLeaseLiabilityNet	4855000	usd
CY2024Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M24D
CY2023Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2024Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0345
CY2023Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0329
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2886000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5390000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4816000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4114000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3061000	usd
CY2024Q2	tcbk	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	10973000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	31240000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4118000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	27122000	usd
CY2024Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2557063000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2722689000	usd
CY2024Q2	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1791466000	usd
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1731814000	usd
CY2024Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2667006000	usd
CY2023Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2682068000	usd
CY2024Q2	tcbk	Time Deposits250000 Or More TimeDeposits250000OrMore	406171000	usd
CY2023Q4	tcbk	Time Deposits250000 Or More TimeDeposits250000OrMore	250180000	usd
CY2024Q2	tcbk	Other Time Certificates Deposits OtherTimeCertificatesDeposits	628524000	usd
CY2023Q4	tcbk	Other Time Certificates Deposits OtherTimeCertificatesDeposits	447287000	usd
CY2024Q2	us-gaap	Deposits Deposits	8050230000	usd
CY2023Q4	us-gaap	Deposits Deposits	7834038000	usd
CY2024Q2	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	100000000.0	usd
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	50000000.0	usd
CY2024Q2	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	2200000	usd
CY2023Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1800000	usd
CY2024Q2	us-gaap	Other Borrowings OtherBorrowings	247773000	usd
CY2023Q4	us-gaap	Other Borrowings OtherBorrowings	632582000	usd
CY2024Q2	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2800000	usd
CY2024Q2	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	23400000	usd
CY2023Q2	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	11600000	usd
	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	43900000	usd
	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	29800000	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7500	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.21
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7500	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.21
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7500	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.21
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	123000	usd
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P0Y3M18D
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y10M24D
CY2024Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12796000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12968000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	25433000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	24165000	usd
CY2024Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	831000	usd
CY2023Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	788000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1634000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1590000	usd
CY2024Q2	tcbk	Asset Management And Commission Income AssetManagementAndCommissionIncome	1359000	usd
CY2023Q2	tcbk	Asset Management And Commission Income AssetManagementAndCommissionIncome	1158000	usd
	tcbk	Asset Management And Commission Income AssetManagementAndCommissionIncome	2487000	usd
	tcbk	Asset Management And Commission Income AssetManagementAndCommissionIncome	2092000	usd
CY2024Q2	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	388000	usd
CY2023Q2	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	295000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	649000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	501000	usd
CY2024Q2	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	154000	usd
CY2023Q2	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	74000	usd
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	315000	usd
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	172000	usd
CY2024Q2	tcbk	Sale Of Customer Checks SaleOfCustomerChecks	301000	usd
CY2023Q2	tcbk	Sale Of Customer Checks SaleOfCustomerChecks	407000	usd
	tcbk	Sale Of Customer Checks SaleOfCustomerChecks	613000	usd
	tcbk	Sale Of Customer Checks SaleOfCustomerChecks	695000	usd
CY2024Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-45000	usd
CY2023Q2	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-45000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-164000	usd
CY2024Q2	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-121000	usd
CY2023Q2	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-42000	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-149000	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
CY2024Q2	tcbk	Operating Interest Income Other OperatingInterestIncomeOther	203000	usd
CY2023Q2	tcbk	Operating Interest Income Other OperatingInterestIncomeOther	93000	usd
	tcbk	Operating Interest Income Other OperatingInterestIncomeOther	700000	usd
	tcbk	Operating Interest Income Other OperatingInterestIncomeOther	325000	usd
CY2024Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	3070000	usd
CY2023Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	2773000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	6204000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	5211000	usd
CY2024Q2	us-gaap	Noninterest Income NoninterestIncome	15866000	usd
CY2023Q2	us-gaap	Noninterest Income NoninterestIncome	15741000	usd
	us-gaap	Noninterest Income NoninterestIncome	31637000	usd
	us-gaap	Noninterest Income NoninterestIncome	29376000	usd
CY2024Q2	tcbk	Base Salaries Net Of Deferred Loan Origination Costs BaseSalariesNetOfDeferredLoanOriginationCosts	23852000	usd
CY2023Q2	tcbk	Base Salaries Net Of Deferred Loan Origination Costs BaseSalariesNetOfDeferredLoanOriginationCosts	24059000	usd
	tcbk	Base Salaries Net Of Deferred Loan Origination Costs BaseSalariesNetOfDeferredLoanOriginationCosts	47872000	usd
	tcbk	Base Salaries Net Of Deferred Loan Origination Costs BaseSalariesNetOfDeferredLoanOriginationCosts	47059000	usd
CY2024Q2	tcbk	Incentive Compensation Expense IncentiveCompensationExpense	4711000	usd
CY2023Q2	tcbk	Incentive Compensation Expense IncentiveCompensationExpense	4377000	usd
	tcbk	Incentive Compensation Expense IncentiveCompensationExpense	7968000	usd
	tcbk	Incentive Compensation Expense IncentiveCompensationExpense	7272000	usd
CY2024Q2	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	6838000	usd
CY2023Q2	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	6278000	usd
	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	13865000	usd
	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	12946000	usd
CY2024Q2	tcbk	Labor And Related Expense Excluding Merger Related Costs LaborAndRelatedExpenseExcludingMergerRelatedCosts	35401000	usd
CY2023Q2	tcbk	Labor And Related Expense Excluding Merger Related Costs LaborAndRelatedExpenseExcludingMergerRelatedCosts	34714000	usd
	tcbk	Labor And Related Expense Excluding Merger Related Costs LaborAndRelatedExpenseExcludingMergerRelatedCosts	69705000	usd
	tcbk	Labor And Related Expense Excluding Merger Related Costs LaborAndRelatedExpenseExcludingMergerRelatedCosts	67277000	usd
CY2024Q2	us-gaap	Occupancy Net OccupancyNet	4063000	usd
CY2023Q2	us-gaap	Occupancy Net OccupancyNet	3991000	usd
	us-gaap	Occupancy Net OccupancyNet	8014000	usd
	us-gaap	Occupancy Net OccupancyNet	8151000	usd
CY2024Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	5094000	usd
CY2023Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4638000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	10201000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	8670000	usd
CY2024Q2	us-gaap	Equipment Expense EquipmentExpense	1330000	usd
CY2023Q2	us-gaap	Equipment Expense EquipmentExpense	1436000	usd
	us-gaap	Equipment Expense EquipmentExpense	2686000	usd
	us-gaap	Equipment Expense EquipmentExpense	2819000	usd
CY2024Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1030000	usd
CY2023Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1656000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2060000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3312000	usd
CY2024Q2	us-gaap	Advertising Expense AdvertisingExpense	819000	usd
CY2023Q2	us-gaap	Advertising Expense AdvertisingExpense	1016000	usd
	us-gaap	Advertising Expense AdvertisingExpense	1581000	usd
	us-gaap	Advertising Expense AdvertisingExpense	1775000	usd
CY2024Q2	tcbk	Network Charges NetworkCharges	1987000	usd
CY2023Q2	tcbk	Network Charges NetworkCharges	1902000	usd
	tcbk	Network Charges NetworkCharges	3648000	usd
	tcbk	Network Charges NetworkCharges	3611000	usd
CY2024Q2	us-gaap	Professional Fees ProfessionalFees	1814000	usd
CY2023Q2	us-gaap	Professional Fees ProfessionalFees	1985000	usd
	us-gaap	Professional Fees ProfessionalFees	3154000	usd
CY2024Q2	us-gaap	Communication Communication	558000	usd
CY2023Q2	us-gaap	Communication Communication	809000	usd
	us-gaap	Communication Communication	1069000	usd
	us-gaap	Communication Communication	1404000	usd
CY2024Q2	tcbk	Regulatory Assessments And Insurance RegulatoryAssessmentsAndInsurance	1144000	usd
CY2023Q2	tcbk	Regulatory Assessments And Insurance RegulatoryAssessmentsAndInsurance	1993000	usd
	tcbk	Regulatory Assessments And Insurance RegulatoryAssessmentsAndInsurance	2395000	usd
	tcbk	Regulatory Assessments And Insurance RegulatoryAssessmentsAndInsurance	2785000	usd
CY2024Q2	us-gaap	Postage Expense PostageExpense	340000	usd
CY2023Q2	us-gaap	Postage Expense PostageExpense	311000	usd
	us-gaap	Postage Expense PostageExpense	648000	usd
	us-gaap	Postage Expense PostageExpense	610000	usd
CY2024Q2	tcbk	Operational Losses OperationalLosses	244000	usd
CY2023Q2	tcbk	Operational Losses OperationalLosses	1090000	usd
CY2024Q2	tcbk	Courier Service CourierService	559000	usd
CY2023Q2	tcbk	Courier Service CourierService	483000	usd
	tcbk	Courier Service CourierService	1039000	usd
	tcbk	Courier Service CourierService	822000	usd
	tcbk	Gain Loss On Foreclosed Assets Excluding Transfer Of Loans1 GainLossOnForeclosedAssetsExcludingTransferOfLoans1	38000	usd
	tcbk	Gain Loss On Foreclosed Assets Excluding Transfer Of Loans1 GainLossOnForeclosedAssetsExcludingTransferOfLoans1	0	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-6000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-18000	usd
CY2023Q2	tcbk	Other Operating Expenses OtherOperatingExpenses	5201000	usd
	tcbk	Other Operating Expenses OtherOperatingExpenses	8079000	usd
	tcbk	Other Operating Expenses OtherOperatingExpenses	8684000	usd
CY2024Q2	tcbk	Other Noninterest Expense Excluding Merger Related Costs OtherNoninterestExpenseExcludingMergerRelatedCosts	22938000	usd
CY2023Q2	tcbk	Other Noninterest Expense Excluding Merger Related Costs OtherNoninterestExpenseExcludingMergerRelatedCosts	26529000	usd
	tcbk	Other Noninterest Expense Excluding Merger Related Costs OtherNoninterestExpenseExcludingMergerRelatedCosts	45138000	usd
	tcbk	Other Noninterest Expense Excluding Merger Related Costs OtherNoninterestExpenseExcludingMergerRelatedCosts	47760000	usd
CY2024Q2	us-gaap	Noninterest Expense NoninterestExpense	58339000	usd
CY2023Q2	us-gaap	Noninterest Expense NoninterestExpense	61243000	usd
	us-gaap	Noninterest Expense NoninterestExpense	114843000	usd
	us-gaap	Noninterest Expense NoninterestExpense	115037000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	29034000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	24892000	usd
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	33121000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	33219000	shares
CY2024Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	123000	shares
CY2023Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	83000	shares
CY2024Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	33244000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	33302000	shares
CY2024Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2023Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Net Income Loss NetIncomeLoss	56783000	usd
	us-gaap	Net Income Loss NetIncomeLoss	60725000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	33183000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	33257000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	123000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	114000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	33306000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	33371000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2852000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-11915000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8346000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	12529000	usd
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-161515000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-153169000	usd
	tcbk	Number Of Investment Securities Classified As Level3 NumberOfInvestmentSecuritiesClassifiedAsLevel3	0	investmentsecurity
CY2024Q2	us-gaap	Equity Securities Fv Ni Restricted EquitySecuritiesFvNiRestricted	0	usd
CY2024Q2	tcbk	Losses From Fair Value Adjustments Assets And Liabilities LossesFromFairValueAdjustmentsAssetsAndLiabilities	435000	usd
CY2023Q2	tcbk	Losses From Fair Value Adjustments Assets And Liabilities LossesFromFairValueAdjustmentsAssetsAndLiabilities	7279000	usd
	tcbk	Losses From Fair Value Adjustments Assets And Liabilities LossesFromFairValueAdjustmentsAssetsAndLiabilities	531000	usd
	tcbk	Losses From Fair Value Adjustments Assets And Liabilities LossesFromFairValueAdjustmentsAssetsAndLiabilities	7556000	usd
	tcbk	Loan Charged Off Carrying Value LoanChargedOffCarryingValue	0	usd
CY2024Q2	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q2	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q2	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q2	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false

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$TCBK
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2024 Q3 Form 10-Q Financial Statement

#000035617124000102 Filed on August 06, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$TCBK Trico Bancshares Stock $tcbk

2024 Q3 Form 10-Q Financial Statement

#000035617124000102 Filed on August 06, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TCBK
Trico Bancshares Stock $tcbk