$TCBK
Trico Bancshares Stock $tcbk

$tcbk Overview Financials Valuation SEC Filings Company Website

2018 Q1 Form 10-Q Financial Statement

#000119312518157782 Filed on May 10, 2018

Income Statement

Concept	2018 Q1	2017 Q1	2016 Q4
Revenue	$47.12M	$43.48M	$44.62M
YoY Change	8.36%	1.61%	5.0%
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	$1.900M	$2.000M	$2.000M
YoY Change	-5.0%	11.11%	17.65%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$2.135M	$1.491M	$1.460M
YoY Change	43.19%	7.11%	8.23%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$19.35M	$19.43M	$20.49M
YoY Change	-0.42%	12.76%	8.92%
Income Tax	$5.440M	$7.352M	$7.954M
% Of Pretax Income	28.11%	37.84%	38.82%
Net Earnings	$13.91M	$12.08M	$12.53M
YoY Change	15.16%	13.16%	9.73%
Net Earnings / Revenue	29.52%	27.78%	28.09%
Basic Earnings Per Share	$0.61	$0.53
Diluted Earnings Per Share	$0.60	$0.52	$0.54
COMMON SHARES
Basic Shares Outstanding	22.96M	22.87M shares	22.83M shares
Diluted Shares Outstanding	23.28M	23.23M shares

Balance Sheet

Concept	2018 Q1	2017 Q1	2016 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$183.0M	$323.7M	$305.6M
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	$58.56M	$49.51M	$48.41M
YoY Change	18.28%	-3.91%	10.49%
Goodwill	$64.31M	$64.31M	$64.31M
YoY Change	0.0%	0.0%	1.34%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$26.30M	$35.80M	$36.20M
YoY Change	-26.54%	5.92%	-0.55%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$4.780B	$4.528B	$4.518B
YoY Change	5.57%	3.03%	7.04%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.000M	$800.0K	$800.0K
YoY Change	25.0%	0.0%	0.0%
Accrued Expenses	$12.00M	$13.40M	$12.20M
YoY Change	-10.45%	34.0%
Deferred Revenue
YoY Change
Short-Term Debt	$17.00M	$15.20M	$17.50M
YoY Change	11.84%	-18.72%	42.28%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$13.00M	$14.70M	$13.00M
YoY Change	-11.56%	-9.82%	1525.0%
LONG-TERM LIABILITIES
Long-Term Debt	$56.90M	$56.70M	$56.70M
YoY Change	0.35%	0.35%	0.35%
Other Long-Term Liabilities	$3.964M	$6.060M	$5.985M
YoY Change	-34.59%	48.86%	140.85%
Total Long-Term Liabilities	$3.964M	$6.060M	$5.985M
YoY Change	-34.59%	48.86%	140.85%
TOTAL LIABILITIES
Total Short-Term Liabilities	$13.00M	$14.70M	$13.00M
Total Long-Term Liabilities	$3.964M	$6.060M	$5.985M
Total Liabilities	$4.275B	$4.041B	$4.041B
YoY Change	5.78%	2.79%	7.22%
SHAREHOLDERS EQUITY
Retained Earnings	$266.2M	$240.7M	$232.4M
YoY Change	10.63%	12.69%	12.67%
Common Stock	$256.2M	$253.5M	$252.8M
YoY Change	1.09%	2.16%	2.11%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$505.3M	$486.7M	$477.3M
YoY Change
Total Liabilities & Shareholders Equity	$4.780B	$4.528B	$4.518B
YoY Change	5.57%	3.03%	7.04%

Cashflow Statement

Concept	2018 Q1	2017 Q1	2016 Q4
OPERATING ACTIVITIES
Net Income	$13.91M	$12.08M	$12.53M
YoY Change	15.16%	13.16%	9.73%
Depreciation, Depletion And Amortization	$1.900M	$2.000M	$2.000M
YoY Change	-5.0%	11.11%	17.65%
Cash From Operating Activities	$23.71M	$19.40M	$9.300M
YoY Change	22.24%	373.17%	-10.58%
INVESTING ACTIVITIES
Capital Expenditures	$2.200M	$2.413M	-$900.0K
YoY Change	-8.83%	-67.5%	-66.67%
Acquisitions
YoY Change
Other Investing Activities	-$58.20M	$3.600M	-$71.20M
YoY Change	-1716.67%	-96.13%	-20.0%
Cash From Investing Activities	-$60.41M	$1.200M	-$72.00M
YoY Change	-5134.0%	-98.6%	-21.48%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$0.00	$169.0K
YoY Change	-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	14.25M	-2.600M	53.20M
YoY Change	-647.88%	-39.53%	-69.65%
NET CHANGE
Cash From Operating Activities	23.71M	19.40M	9.300M
Cash From Investing Activities	-60.41M	1.200M	-72.00M
Cash From Financing Activities	14.25M	-2.600M	53.20M
Net Change In Cash	-22.45M	18.00M	-9.500M
YoY Change	-224.72%	-78.95%	-110.11%
FREE CASH FLOW
Cash From Operating Activities	$23.71M	$19.40M	$9.300M
Capital Expenditures	$2.200M	$2.413M	-$900.0K
Free Cash Flow	$21.51M	$16.99M	$10.20M
YoY Change	26.65%	-611.04%	-22.14%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2007Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	15814662	shares
CY2007Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	500000	shares
CY2007Q3	tcbk	Stock Repurchase Program Percentage Of Common Stock StockRepurchaseProgramPercentageOfCommonStock	0.032	pure
CY2017Q4	us-gaap	Share Price SharePrice	41.64
CY2018Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	22969792	shares
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7402000
CY2017Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	323706000
CY2017Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	9560000
CY2017Q1	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	95783000
CY2017Q1	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	26900000
CY2017Q1	us-gaap	Foreclosed Assets ForeclosedAssets	3529000
CY2017Q1	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1686000
CY2017Q1	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2710005000
CY2017Q1	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	27650000
CY2017Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	31017000
CY2017Q1	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	2761192000
CY2017Q1	us-gaap	Stockholders Equity StockholdersEquity	486718000
CY2017Q1	tcbk	Fdic Indemnification Assets And Liabilities FdicIndemnificationAssetsAndLiabilities	-895000
CY2017Q1	tcbk	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	2734000
CY2018Q1	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	12407000
CY2018Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	41678000
CY2018Q1	us-gaap	Assets Held In Trust AssetsHeldInTrust	1709000
CY2018Q1	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	5180000
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-17205000
CY2018Q1	us-gaap	Asset Backed Securities At Carrying Value AssetBackedSecuritiesAtCarryingValue	415542000
CY2018Q1	us-gaap	Assets Assets	4779957000
CY2018Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	783000
CY2018Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	673715000
CY2018Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	3324000
CY2018Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	236000
CY2018Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	751309000
CY2018Q1	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	883000
CY2018Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	19758000
CY2018Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	7957000
CY2018Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	19758000
CY2018Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	499349000
CY2018Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	3452000
CY2018Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	754870000
CY2018Q1	us-gaap	Available For Sale Securities AvailableForSaleSecurities	735895000
CY2018Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	174366000
CY2018Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	2000
CY2018Q1	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	754870000
CY2018Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	11801000
CY2018Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2000
CY2018Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	235000
CY2018Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	732205000
CY2018Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	735895000
CY2018Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	182979000
CY2018Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	4147000
CY2018Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2018Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2018Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	22956323	shares
CY2018Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	87138000
CY2018Q1	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	98391000
CY2018Q1	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000	pure
CY2018Q1	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2018Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	22956323	shares
CY2018Q1	us-gaap	Common Stock Value CommonStockValue	256226000
CY2018Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	2137000
CY2018Q1	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	6809000
CY2018Q1	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	62889000
CY2018Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	26266000
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CY2018Q1	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1395481000
CY2018Q1	us-gaap	Deferred Revenue DeferredRevenue	1077000
CY2018Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	61000
CY2018Q1	us-gaap	Fair Value Liabilities Level1 To Level2 Transfers Amount FairValueLiabilitiesLevel1ToLevel2TransfersAmount	0
CY2018Q1	us-gaap	Equity Method Investment Aggregate Cost EquityMethodInvestmentAggregateCost	1703000
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CY2018Q1	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	0
CY2018Q1	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	26714000
CY2018Q1	us-gaap	Foreclosed Assets ForeclosedAssets	1564000
CY2018Q1	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	20000000
CY2018Q1	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	1597695000
CY2018Q1	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	3091000
CY2018Q1	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3029454000
CY2018Q1	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	25803000
CY2018Q1	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	48000000
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CY2018Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3273000
CY2018Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	7968000
CY2018Q1	us-gaap	Goodwill Goodwill	64311000
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CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	20631000
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	467120000
CY2018Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	488639000
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CY2018Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	400864000
CY2018Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4695000
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0
CY2018Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	572000
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CY2018Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	308476000
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	20291000
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1228000
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	1215000
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	474189000
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CY2018Q1	us-gaap	Income Tax Receivable IncomeTaxReceivable	4754000
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CY2018Q1	us-gaap	Liabilities Liabilities	4274701000
CY2018Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4779957000
CY2018Q1	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	9671000
CY2018Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3039760000
CY2018Q1	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	3093564000
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CY2018Q1	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3069733000
CY2018Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	29973000
CY2018Q1	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	3069733000
CY2018Q1	us-gaap	Marketable Securities Equity Securities MarketableSecuritiesEquitySecurities	2890000
CY2018Q1	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1359996000
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CY2018Q1	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	1156000
CY2018Q1	us-gaap	Other Borrowings OtherBorrowings	65041000
CY2018Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	3964000
CY2018Q1	us-gaap	Other Liabilities OtherLiabilities	63529000
CY2018Q1	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2018Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2018Q1	us-gaap	Preferred Stock Value PreferredStockValue
CY2018Q1	us-gaap	Prepaid Taxes PrepaidTaxes	4411000
CY2018Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	98099000
CY2018Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	58558000
CY2018Q1	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	30871000
CY2018Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	91860000
CY2018Q1	us-gaap	Restricted Investments RestrictedInvestments	16956000
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	266235000
CY2018Q1	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	0
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	22800	shares
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	0
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	9096000
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	446400	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.84
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	505256000
CY2018Q1	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0800	pure
CY2018Q1	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.0500	pure
CY2018Q1	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	5243000
CY2018Q1	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	76306000
CY2018Q1	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-14160000
CY2018Q1	us-gaap	Us Government Agencies Securities At Carrying Value USGovernmentAgenciesSecuritiesAtCarryingValue	1114767000
CY2018Q1	tcbk	Collateralized Line Of Credit With Federal Reserve Bank Outstanding Balance CollateralizedLineOfCreditWithFederalReserveBankOutstandingBalance	0
CY2018Q1	tcbk	Loans Designated As Potential Collateral Under Collateralized Line Of Credit With Fhlb LoansDesignatedAsPotentialCollateralUnderCollateralizedLineOfCreditWithFhlb	205777000
CY2018Q1	tcbk	Investment In Low Income Housing Tax Credit Funds InvestmentInLowIncomeHousingTaxCreditFunds	17095000
CY2018Q1	tcbk	Loan Escrow And Servicing Payable LoanEscrowAndServicingPayable	1464000
CY2018Q1	tcbk	Mortgage Servicing Rights MortgageServicingRights	6953000
CY2018Q1	tcbk	Joint Beneficiary Agreements JointBeneficiaryAgreements	3429000
CY2018Q1	tcbk	Other Time Certificates Deposits OtherTimeCertificatesDeposits	230322000
CY2018Q1	tcbk	Core Deposit Intangible CoreDepositIntangible	4835000
CY2018Q1	tcbk	Securities Sold Under Agreements To Collateralized SecuritiesSoldUnderAgreementsToCollateralized	31667000
CY2018Q1	tcbk	Fhlb Collateral Line Of Credit Remaining Borrowing Capacity FhlbCollateralLineOfCreditRemainingBorrowingCapacity	1549695000
CY2018Q1	tcbk	Low Income Housing Tax Credit Fund Commitments LowIncomeHousingTaxCreditFundCommitments	7677000
CY2018Q1	tcbk	Loans Designated As Potential Collateral Under Collateral Line Of Credit With Frb LoansDesignatedAsPotentialCollateralUnderCollateralLineOfCreditWithFrb	262663000
CY2018Q1	tcbk	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	3864000
CY2018Q1	tcbk	Premises Premises	50792000
CY2018Q1	tcbk	Property Plant And Equipment Less Depreciation Gross PropertyPlantAndEquipmentLessDepreciationGross	56421000
CY2018Q1	tcbk	Collateralized Line Of Credit With Federal Reserve Bank Remaining Borrowing Capacity CollateralizedLineOfCreditWithFederalReserveBankRemainingBorrowingCapacity	140921000
CY2018Q1	tcbk	Collateralized Line Of Credit With Federal Reserve Bank Maximum Borrowing Capacity CollateralizedLineOfCreditWithFederalReserveBankMaximumBorrowingCapacity	140921000
CY2018Q1	tcbk	Cash At Federal Reserve And Other Banks CashAtFederalReserveAndOtherBanks	95841000
CY2018Q1	tcbk	Investment Securities Designated As Potential Collateral Under Collateral Line Of Credit With Frb InvestmentSecuritiesDesignatedAsPotentialCollateralUnderCollateralLineOfCreditWithFrb	15677
CY2018Q1	tcbk	Investment Securities Designated As Potential Collateral Under Collateral Line Of Credit With Fhlb InvestmentSecuritiesDesignatedAsPotentialCollateralUnderCollateralLineOfCreditWithFhlb	2138150000
CY2018Q1	tcbk	Number Of Life Insurance Policies Owned By Company NumberOfLifeInsurancePoliciesOwnedByCompany	182	Policies
CY2018Q1	tcbk	Number Of Loan Production Offices NumberOfLoanProductionOffices	2	Office
CY2018Q1	tcbk	Furniture And Equipment FurnitureAndEquipment	37348000
CY2018Q1	tcbk	Repurchased Shares Outstanding RepurchasedSharesOutstanding	166600	shares
CY2018Q1	tcbk	Policies Covering Current And Former Employees And Directors PoliciesCoveringCurrentAndFormerEmployeesAndDirectors	57	Policies
CY2018Q1	tcbk	Increased Capital Required For Capital Adequacy To Risk Weighted Assets IncreasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.00625	pure
CY2018Q1	tcbk	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650	pure
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	305612000
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	10348000
CY2016Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	95912000
CY2016Q4	us-gaap	Foreclosed Assets ForeclosedAssets	3986000
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	32503000
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	477347000
CY2016Q4	tcbk	Fdic Indemnification Assets And Liabilities FdicIndemnificationAssetsAndLiabilities	-744000
CY2016Q4	tcbk	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	2719000
CY2017Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	13772000
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	40644000
CY2017Q4	us-gaap	Assets Held In Trust AssetsHeldInTrust	1706000
CY2017Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	6619000
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5228000
CY2017Q4	us-gaap	Asset Backed Securities At Carrying Value AssetBackedSecuritiesAtCarryingValue	285596000
CY2017Q4	us-gaap	Assets Assets	4761315000
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2583000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	472694000
CY2017Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	1126000
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5930000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3719000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	5930000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	289271000
CY2017Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	727945000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	183423000
CY2017Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	731292000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2211000
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	205428000
CY2017Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	4262000
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	22955963	shares
CY2017Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	105968000
CY2017Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	97783000
CY2017Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000	pure
CY2017Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	22955963	shares
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	255836000
CY2017Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	2148000
CY2017Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	6605000
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	21697000
CY2017Q4	us-gaap	Deposits Deposits	4009131000
CY2017Q4	us-gaap	Defined Benefit Pension Plan Current And Noncurrent Liabilities DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities	28472000
CY2017Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1366000
CY2017Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1364518000
CY2017Q4	us-gaap	Deferred Revenue DeferredRevenue	1228000
CY2017Q4	us-gaap	Fair Value Liabilities Level1 To Level2 Transfers Amount FairValueLiabilitiesLevel1ToLevel2TransfersAmount	0
CY2017Q4	us-gaap	Fair Value Liabilities Level2 To Level1 Transfers Amount FairValueLiabilitiesLevel2ToLevel1TransfersAmount	0
CY2017Q4	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0
CY2017Q4	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	0
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	27352000
CY2017Q4	us-gaap	Foreclosed Assets ForeclosedAssets	3226000
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	2699000
CY2017Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2971371000
CY2017Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	28234000
CY2017Q4	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	514844000
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1352000
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	1926000
CY2017Q4	us-gaap	Goodwill Goodwill	64311000
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	98004000
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	518165000
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	514844000
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	192509000
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	574000
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	5247000
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1926000
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	94505000
CY2017Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	4754000
CY2017Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	930000
CY2017Q4	us-gaap	Insurance Settlements Receivable InsuranceSettlementsReceivable	2242000
CY2017Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	971459000
CY2017Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	2640913000
CY2017Q4	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	56858000
CY2017Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	9959000
CY2017Q4	us-gaap	Liabilities Liabilities	4255507000
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4761315000
CY2017Q4	us-gaap	Litigation Reserve LitigationReserve	1450000
CY2017Q4	us-gaap	Marketable Securities Equity Securities MarketableSecuritiesEquitySecurities	2938000
CY2017Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	8651000
CY2017Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2984842000
CY2017Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	3038472000
CY2017Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	4616000
CY2017Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3015165000
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	30323000
CY2017Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	3015165000
CY2017Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1368218000
CY2017Q4	us-gaap	Other Assets OtherAssets	55051000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	3278000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	1488000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	1847000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	798000
CY2017Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	2561000
CY2017Q4	us-gaap	Other Borrowings OtherBorrowings	122166000
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5007000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	10667000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	757000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	2499000
CY2017Q4	us-gaap	Other Liabilities OtherLiabilities	63258000
CY2017Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2017Q4	us-gaap	Prepaid Taxes PrepaidTaxes	4111000
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	57742000
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	96238000
CY2017Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	46025000
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	82068000
CY2017Q4	us-gaap	Restricted Investments RestrictedInvestments	16956000
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	255200000
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	0
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	0
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	446400	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.84
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	505808000
CY2017Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0800	pure
CY2017Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.0500	pure
CY2017Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	73596000
CY2017Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-14656000
CY2017Q4	tcbk	Investment In Low Income Housing Tax Credit Funds InvestmentInLowIncomeHousingTaxCreditFunds	16854000
CY2017Q4	tcbk	Loan Escrow And Servicing Payable LoanEscrowAndServicingPayable	1958000
CY2017Q4	tcbk	Mortgage Servicing Rights MortgageServicingRights	6687000
CY2017Q4	tcbk	Joint Beneficiary Agreements JointBeneficiaryAgreements	3365000
CY2017Q4	tcbk	Other Time Certificates Deposits OtherTimeCertificatesDeposits	231340000
CY2017Q4	tcbk	Core Deposit Intangible CoreDepositIntangible	5174000
CY2017Q4	tcbk	Low Income Housing Tax Credit Fund Commitments LowIncomeHousingTaxCreditFundCommitments	8554000
CY2017Q4	tcbk	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	3164000
CY2017Q4	tcbk	Premises Premises	50340000
CY2017Q4	tcbk	Property Plant And Equipment Less Depreciation Gross PropertyPlantAndEquipmentLessDepreciationGross	55594000
CY2017Q4	tcbk	Cash At Federal Reserve And Other Banks CashAtFederalReserveAndOtherBanks	99460000
CY2017Q4	tcbk	Furniture And Equipment FurnitureAndEquipment	35939000
CY2017Q4	tcbk	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650	pure
CY2017Q2	tcbk	Gain On Termination Of Fdic Loss Share Agreement GainOnTerminationOfFDICLossShareAgreement	712000
CY2017Q2	tcbk	Federal Deposit Insurance Corporation Indemnification Asset Cash Received Payments Made FederalDepositInsuranceCorporationIndemnificationAssetCashReceivedPaymentsMade	184000
CY2017	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	89000
CY2017	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	4410000
CY2017	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2141000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0
CY2017	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	7111000
CY2017	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	6978000
CY2017	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	5
CY2017	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	624000
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	0
CY2017	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	26
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0
CY2017	tcbk	Financial Impact Due To Troubled Debt Restructure Charge Offs Or Additional Provision FinancialImpactDueToTroubledDebtRestructureChargeOffsOrAdditionalProvision	-5000
CY2017	tcbk	Financial Impact Due To Troubled Debt Restructure Additional Provision FinancialImpactDueToTroubledDebtRestructureAdditionalProvision	133000
CY2017Q1	us-gaap	Advertising Expense AdvertisingExpense	967000
CY2017Q1	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	-1557000
CY2017Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2017Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	88000
CY2017Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	409000
CY2017Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-798000
CY2017Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	204000
CY2017Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	480000
CY2017Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	359000
CY2017Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	685000
CY2017Q1	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	206000
CY2017Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2017Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	18094000
CY2017Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	114000
CY2017Q1	us-gaap	Communication Communication	643000
CY2017Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	902000
CY2017Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	12590000
CY2017Q1	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	521000
CY2017Q1	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-96000
CY2017Q1	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	235000
CY2017Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1604000
CY2017Q1	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1311000
CY2017Q1	us-gaap	Defined Benefit Plan Amortization Of Transition Asset Obligation DefinedBenefitPlanAmortizationOfTransitionAssetObligation	-1000
CY2017Q1	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	249000
CY2017Q1	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-3000
CY2017Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	578000
CY2017Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.378	pure
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.019	pure
CY2017Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	3431000
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.005	pure
CY2017Q1	us-gaap	Dividend Income Operating DividendIncomeOperating	391000
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.069	pure
CY2017Q1	us-gaap	Equipment Expense EquipmentExpense	1723000
CY2017Q1	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.083	pure
CY2017Q1	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.140	pure
CY2017Q1	us-gaap	Fdic Indemnification Asset Period Increase Decrease FDICIndemnificationAssetPeriodIncreaseDecrease	-191000
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.014	pure
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.002	pure
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.006	pure
CY2017Q1	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	525000
CY2017Q1	us-gaap	Fees And Commissions Credit And Debit Cards FeesAndCommissionsCreditAndDebitCards	4015000
CY2017Q1	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	3619000
CY2017Q1	us-gaap	Fees And Commissions FeesAndCommissions	8907000
CY2017Q1	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	521000
CY2017Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	910000
CY2017Q1	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	3000
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19431000
CY2017Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0
CY2017Q1	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-791000
CY2017Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	3324000
CY2017Q1	us-gaap	Insured Event Gain Loss InsuredEventGainLoss	107000
CY2017Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-48000
CY2017Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	4444000
CY2017Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	362000	shares
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7352000
CY2017Q1	us-gaap	Interest Expense InterestExpense	1491000
CY2017Q1	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	435000
CY2017Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6703000
CY2017Q1	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1041000
CY2017Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	43484000
CY2017Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	894000
CY2017Q1	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	2000
CY2017Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	43550000
CY2017Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	41993000
CY2017Q1	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	595000
CY2017Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2396000
CY2017Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	34914000
CY2017Q1	us-gaap	Interest Paid InterestPaid	1539000
CY2017Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	20893000
CY2017Q1	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	1047000
CY2017Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	1222000
CY2017Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	19444000
CY2017Q1	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	438000
CY2017Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-2572000
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	12079000
CY2017Q1	us-gaap	Noninterest Income Other NoninterestIncomeOther	2796000
CY2017Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	594000
CY2017Q1	us-gaap	Occupancy Net OccupancyNet	2692000
CY2017Q1	us-gaap	Noninterest Expense NoninterestExpense	35822000
CY2017Q1	us-gaap	Noninterest Income NoninterestIncome	11703000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	511000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	511000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-93000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-54000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	93000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-96000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-3000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	457000
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	787000
CY2017Q1	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	608000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	787000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-39000
CY2017Q1	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	-66000
CY2017Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	330000
CY2017Q1	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	5305000
CY2017Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	14929000
CY2017Q1	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	34317000
CY2017Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3431000
CY2017Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	35241000
CY2017Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	169000
CY2017Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2413000
CY2017Q1	us-gaap	Postage Expense PostageExpense	404000
CY2017Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-2296000
CY2017Q1	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	282000
CY2017Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	14069000
CY2017Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	22074000
CY2017Q1	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	36771000
CY2017Q1	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	726000
CY2017Q1	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	726000
CY2017Q1	us-gaap	Proceeds From Sale Of Property Held For Sale ProceedsFromSaleOfPropertyHeldForSale	3338000
CY2017Q1	us-gaap	Professional Fees ProfessionalFees	766000
CY2017Q1	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	13000
CY2017Q1	us-gaap	Revenue Other Financial Services RevenueOtherFinancialServices	765000
CY2017Q1	us-gaap	Share Based Compensation ShareBasedCompensation	381000
CY2017Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	435000
CY2017Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	604000
CY2017Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23232000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22870000	shares
CY2017Q1	tcbk	Market Value Of Shares Tendered By Employees In Lieu Of Cash To Pay For Exercise Of Options And Or Related Taxes MarketValueOfSharesTenderedByEmployeesInLieuOfCashToPayForExerciseOfOptionsAndOrRelatedTaxes	604000
CY2017Q1	tcbk	Discount Accretion Purchased Credit Impaired Cash Basis DiscountAccretionPurchasedCreditImpairedCashBasis	112000
CY2017Q1	tcbk	Loans Transferred To Foreclosed Assets LoansTransferredToForeclosedAssets	85000
CY2017Q1	tcbk	End Of Period Death Benefit EndOfPeriodDeathBenefit	164574000
CY2017Q1	tcbk	Unrealized Gain Loss On Securities Available For Sale UnrealizedGainLossOnSecuritiesAvailableForSale	787000
CY2017Q1	tcbk	Commissions On Sale Of Non Deposit Investment Products CommissionsOnSaleOfNonDepositInvestmentProducts	607000
CY2017Q1	tcbk	Base Salaries Net Of Deferred Loan Origination Costs BaseSalariesNetOfDeferredLoanOriginationCosts	13390000
CY2017Q1	tcbk	Other Comprehensive Income Loss Changes In Joint Beneficiary Agreement Liability Tax OtherComprehensiveIncomeLossChangesInJointBeneficiaryAgreementLiabilityTax	0
CY2017Q1	tcbk	Operational Losses OperationalLosses	435000
CY2017Q1	tcbk	Other Comprehensive Income Loss Joint Beneficiary Agreement Liability Adjustments Before Tax OtherComprehensiveIncomeLossJointBeneficiaryAgreementLiabilityAdjustmentsBeforeTax	0
CY2017Q1	tcbk	Federal Deposit Insurance Corporation Indemnification Asset Cash Received Payments Made FederalDepositInsuranceCorporationIndemnificationAssetCashReceivedPaymentsMade	-72000
CY2017Q1	tcbk	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Joint Beneficiary Agreement Liability Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociForJointBeneficiaryAgreementLiabilityBeforeTax	0
CY2017Q1	tcbk	Assessments Assessments	405000
CY2017Q1	tcbk	Sale Of Customer Checks SaleOfCustomerChecks	104000
CY2017Q1	tcbk	Other Operating Expenses OtherOperatingExpenses	3045000
CY2017Q1	tcbk	Network Charges NetworkCharges	853000
CY2017Q1	tcbk	Restricted Stock Units Released RestrictedStockUnitsReleased	0
CY2017Q1	tcbk	Provision For Benefit From Losses On Foreclosed Assets ProvisionForBenefitFromLossesOnForeclosedAssets	-66000
CY2017Q1	tcbk	Discount Accretion Write Down Purchased Credit Impaired Other DiscountAccretionWriteDownPurchasedCreditImpairedOther	631000
CY2017Q1	tcbk	Insurance Proceeds Receivable Reclassified To Other Assets InsuranceProceedsReceivableReclassifiedToOtherAssets	921000
CY2017Q1	tcbk	Additions Reductions Transfers From Loans Related To Foreclosed Assets AdditionsReductionsTransfersFromLoansRelatedToForeclosedAssets	85000
CY2017Q1	tcbk	Fdic Indemnification Asset Or Liability Recorded In Other Liabilities FdicIndemnificationAssetOrLiabilityRecordedInOtherLiabilities	716000
CY2017Q1	tcbk	Courier Service CourierService	254000
CY2017Q1	tcbk	Discount Accretion Purchased Non Credit Impaired DiscountAccretionPurchasedNonCreditImpaired	798000
CY2017Q1	tcbk	Available For Sale Securities Sold At Carrying Value AvailableForSaleSecuritiesSoldAtCarryingValue	0
CY2017Q1	tcbk	Incentive Compensation Expense IncentiveCompensationExpense	2198000
CY2017Q1	tcbk	Deferred Compensation Arrangements Non Interest Expense DeferredCompensationArrangementsNonInterestExpense	145000
CY2017Q1	tcbk	Change In Fair Value Of Mortgage Loan Servicing Rights ChangeInFairValueOfMortgageLoanServicingRights	508000
CY2017Q1	tcbk	Provision For Benefit From Loan Losses Expensed ProvisionForBenefitFromLoanLossesExpensed	-1557000
CY2017Q1	tcbk	Foreclosed Assets Expense ForeclosedAssetsExpense	38000
CY2017Q1	tcbk	Provision For Reversal Of Losses Unfunded Commitments ProvisionForReversalOfLossesUnfundedCommitments	-15000
CY2017Q1	tcbk	Fdic Indemnification Asset Or Liability Recorded In Other Assets FdicIndemnificationAssetOrLiabilityRecordedInOtherAssets	-179000
CY2017Q1	tcbk	Payment For Loan And Lease Originations And Principal Collections PaymentForLoanAndLeaseOriginationsAndPrincipalCollections	1613000
CY2017Q1	tcbk	Operating Interest Income Other OperatingInterestIncomeOther	280000
CY2017Q1	tcbk	Loss Gain On Sale Of Foreclosed Assets LossGainOnSaleOfForeclosedAssets	118000
CY2017Q1	tcbk	Change In Market Value Of Mortgage Servicing Rights ChangeInMarketValueOfMortgageServicingRights	13000
CY2017Q1	tcbk	Ending Valuation Allowance EndingValuationAllowance	300000
CY2017Q1	tcbk	Debt Securities Dividends And Interest Bearing Cash At Banks DebtSecuritiesDividendsAndInterestBearingCashAtBanks	8570000
CY2017Q1	tcbk	Change In Indemnification Asset ChangeInIndemnificationAsset	-221000
CY2017Q1	tcbk	All Other Loan Interest Income AllOtherLoanInterestIncome	33373000
CY2017Q1	tcbk	Other Comprehensive Income Loss Joint Beneficiary Agreement Liability Adjustments Net Of Tax OtherComprehensiveIncomeLossJointBeneficiaryAgreementLiabilityAdjustmentsNetOfTax	0
CY2017Q1	tcbk	Fdic Indemnification Assets Reimbursable Revenue Expenses FdicIndemnificationAssetsReimbursableRevenueExpenses	32000
CY2017Q1	tcbk	Other Comprehensive Income Loss Joint Beneficiary Agreement Liability Adjustments Before Reclassification And Tax OtherComprehensiveIncomeLossJointBeneficiaryAgreementLiabilityAdjustmentsBeforeReclassificationAndTax	0
CY2017Q1	tcbk	Number Of Policies Owned NumberOfPoliciesOwned	183	Policies
CY2017Q1	tcbk	Ending Number Of Foreclosed Assets EndingNumberOfForeclosedAssets	12	Assets
CY2017Q1	tcbk	Current And Former Employees And Directors Covered CurrentAndFormerEmployeesAndDirectorsCovered	58	Employees
CY2017Q1	tcbk	Insurance Companies Used InsuranceCompaniesUsed	14	Company
CY2017Q1	tcbk	Effective Income Tax Rate Reconciliation Nondeductible Joint Beneficiary Agreement Expense EffectiveIncomeTaxRateReconciliationNondeductibleJointBeneficiaryAgreementExpense	0.001	pure
CY2017Q1	tcbk	Performance Share Units Vesting PerformanceShareUnitsVesting	89000
CY2017Q1	tcbk	Life Insurance Benefit In Excess Of Cash Value LifeInsuranceBenefitInExcessOfCashValue	107000
CY2018Q1	us-gaap	Advertising Expense AdvertisingExpense	838000
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	-236000
CY2018Q1	dei	Amendment Flag AmendmentFlag	false
CY2018Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2018Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	37000
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	480000
CY2018Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-700000
CY2018Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	238000
CY2018Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	366000
CY2018Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	339000
CY2018Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	608000
CY2018Q1	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	128000
CY2018Q1	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div> <p style="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> <b>Significant Group Concentration of Credit Risk</b></p> <p style="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> The Company grants agribusiness, commercial, consumer, and residential loans to customers located throughout the northern San Joaquin Valley, the Sacramento Valley and northern mountain regions of 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.</p> </div>
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.17
CY2018Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-22449000
CY2018Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	140000
CY2018Q1	us-gaap	Communication Communication	701000
CY2018Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	255000
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2964000
CY2018Q1	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	517000
CY2018Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018Q1	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-127000
CY2018Q1	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	243000
CY2018Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1613000
CY2018Q1	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1371000
CY2018Q1	us-gaap	Defined Benefit Plan Amortization Of Transition Asset Obligation DefinedBenefitPlanAmortizationOfTransitionAssetObligation	-1000
CY2018Q1	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	237000
CY2018Q1	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-13000
CY2018Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	595000
CY2018Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.281	pure
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.011	pure
CY2018Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	3903000
CY2018Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2018Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018Q1	dei	Document Type DocumentType	10-Q
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.60
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2018Q1	us-gaap	Dividend Income Operating DividendIncomeOperating	336000
CY2018Q1	dei	Document Period End Date DocumentPeriodEndDate	2018-03-31
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.61
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.090	pure
CY2018Q1	us-gaap	Equipment Expense EquipmentExpense	1551000
CY2018Q1	dei	Entity Registrant Name EntityRegistrantName	TRICO BANCSHARES /
CY2018Q1	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.075	pure
CY2018Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000356171
CY2018Q1	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.130	pure
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.007	pure
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.004	pure
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.010	pure
CY2018Q1	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	465000
CY2018Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0
CY2018Q1	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	638000
CY2018Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	643000
CY2018Q1	us-gaap	Fees And Commissions Credit And Debit Cards FeesAndCommissionsCreditAndDebitCards	4235000
CY2018Q1	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	3779000
CY2018Q1	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	1
CY2018Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	169000
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	0
CY2018Q1	us-gaap	Fees And Commissions FeesAndCommissions	9356000
CY2018Q1	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	517000
CY2018Q1	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3
CY2018Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	626000
CY2018Q1	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0
CY2018Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2018Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-13000
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19350000
CY2018Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0
CY2018Q1	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-1365000
CY2018Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	75273000
CY2018Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	28000
CY2018Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3531000
CY2018Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	327000	shares
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5440000
CY2018Q1	us-gaap	Interest Expense InterestExpense	2135000
CY2018Q1	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	373000
CY2018Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7322000
CY2018Q1	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1041000
CY2018Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	47121000
CY2018Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1096000
CY2018Q1	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	342000
CY2018Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	45222000
CY2018Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	44986000
CY2018Q1	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	697000
CY2018Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2514000
CY2018Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	38049000
CY2018Q1	us-gaap	Interest Paid InterestPaid	2107000
CY2018Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	21652000
CY2018Q1	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	921000
CY2018Q1	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-47000
CY2018Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-60408000
CY2018Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	23714000
CY2018Q1	us-gaap	Noncash Merger Related Costs NoncashMergerRelatedCosts	476000
CY2018Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	14245000
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	13910000
CY2018Q1	us-gaap	Noninterest Income Other NoninterestIncomeOther	2934000
CY2018Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	824000
CY2018Q1	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	Segment
CY2018Q1	us-gaap	Occupancy Net OccupancyNet	2681000
CY2018Q1	us-gaap	Noninterest Expense NoninterestExpense	38162000
CY2018Q1	us-gaap	Noninterest Income NoninterestIncome	12290000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-10946000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-10946000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-113000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-80000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	-554000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-127000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-13000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-11026000
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-15265000
CY2018Q1	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	1572000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-15628000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	667000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-33000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	363000
CY2018Q1	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	90000
CY2018Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-4602000
CY2018Q1	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	5238000
CY2018Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	16510000
CY2018Q1	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0
CY2018Q1	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	20332000
CY2018Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3903000
CY2018Q1	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	39647000
CY2018Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2200000
CY2018Q1	us-gaap	Postage Expense PostageExpense	358000
CY2018Q1	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div> <p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> <b>Reclassifications</b></p> <p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> During the three months ended September 30, 2017, the Company changed its classification of 1st lien and 2nd lien non-owner occupied 1-4 residential real estate mortgage loans from commercial real estate mortgage loans to residential real estate mortgage loans and consumer home equity loans, respectively. This change in loan category classification was made to better align the Company’s financial reporting classifications with regulatory reporting classifications, and to properly classify these loans for regulatory risk-based capital ratio calculations.</p> <p style="MARGIN-BOTTOM: 0pt; FONT-SIZE: 10pt; FONT-FAMILY: "Times New Roman"; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> Certain amounts reported in previous consolidated financial statements have been reclassified and recalculated to conform to the presentation in this report. These reclassifications did not affect previously reported net income, total loans or total shareholders’ equity.</p> </div>
CY2018Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-57125000
CY2018Q1	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	23270000
CY2018Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	15643000
CY2018Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	18535000
CY2018Q1	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	1943000
CY2018Q1	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	1943000
CY2018Q1	us-gaap	Professional Fees ProfessionalFees	773000
CY2018Q1	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	10000
CY2018Q1	us-gaap	Revenue Other Financial Services RevenueOtherFinancialServices	714000
CY2018Q1	us-gaap	Share Based Compensation ShareBasedCompensation	391000
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y8M12D
CY2018Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2018Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2018Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6M
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2018Q1	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2018Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4000
CY2018Q1	dei	Trading Symbol TradingSymbol	TCBK
CY2018Q1	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	48000
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23283000	shares
CY2018Q1	us-gaap	Use Of Estimates UseOfEstimates	<div> <p style="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> <b>Use of Estimates in the Preparation of Financial Statements</b></p> <p style="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> 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.</p> </div>
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22956000	shares
CY2018Q1	tcbk	Market Value Of Shares Tendered By Employees In Lieu Of Cash To Pay For Exercise Of Options And Or Related Taxes MarketValueOfSharesTenderedByEmployeesInLieuOfCashToPayForExerciseOfOptionsAndOrRelatedTaxes	4000
CY2018Q1	tcbk	Discount Accretion Purchased Credit Impaired Cash Basis DiscountAccretionPurchasedCreditImpairedCashBasis	246000
CY2018Q1	tcbk	End Of Period Death Benefit EndOfPeriodDeathBenefit	159640000
CY2018Q1	tcbk	Unrealized Gain Loss On Securities Available For Sale UnrealizedGainLossOnSecuritiesAvailableForSale	-15628000
CY2018Q1	tcbk	Commissions On Sale Of Non Deposit Investment Products CommissionsOnSaleOfNonDepositInvestmentProducts	876000
CY2018Q1	tcbk	Base Salaries Net Of Deferred Loan Origination Costs BaseSalariesNetOfDeferredLoanOriginationCosts	13962000
CY2018Q1	tcbk	Other Comprehensive Income Loss Changes In Joint Beneficiary Agreement Liability Tax OtherComprehensiveIncomeLossChangesInJointBeneficiaryAgreementLiabilityTax	0
CY2018Q1	tcbk	Operational Losses OperationalLosses	294000
CY2018Q1	tcbk	Loan Charged Off Carrying Value LoanChargedOffCarryingValue	0
CY2018Q1	tcbk	Other Comprehensive Income Loss Joint Beneficiary Agreement Liability Adjustments Before Tax OtherComprehensiveIncomeLossJointBeneficiaryAgreementLiabilityAdjustmentsBeforeTax	0
CY2018Q1	tcbk	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Joint Beneficiary Agreement Liability Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociForJointBeneficiaryAgreementLiabilityBeforeTax	0
CY2018Q1	tcbk	Assessments Assessments	430000
CY2018Q1	tcbk	Sale Of Customer Checks SaleOfCustomerChecks	101000
CY2018Q1	tcbk	Other Operating Expenses OtherOperatingExpenses	3248000
CY2018Q1	tcbk	Network Charges NetworkCharges	1226000
CY2018Q1	tcbk	Restricted Stock Units Released RestrictedStockUnitsReleased	0
CY2018Q1	tcbk	Provision For Benefit From Losses On Foreclosed Assets ProvisionForBenefitFromLossesOnForeclosedAssets	90000
CY2018Q1	tcbk	Discount Accretion Write Down Purchased Credit Impaired Other DiscountAccretionWriteDownPurchasedCreditImpairedOther	60000
CY2018Q1	tcbk	Courier Service CourierService	267000
CY2018Q1	tcbk	Discount Accretion Purchased Non Credit Impaired DiscountAccretionPurchasedNonCreditImpaired	326000
CY2018Q1	tcbk	Available For Sale Securities Sold At Carrying Value AvailableForSaleSecuritiesSoldAtCarryingValue	0
CY2018Q1	tcbk	Incentive Compensation Expense IncentiveCompensationExpense	2452000
CY2018Q1	tcbk	Deferred Compensation Arrangements Non Interest Expense DeferredCompensationArrangementsNonInterestExpense	124000
CY2018Q1	tcbk	Change In Fair Value Of Mortgage Loan Servicing Rights ChangeInFairValueOfMortgageLoanServicingRights	628000
CY2018Q1	tcbk	Financial Impact Due To Troubled Debt Restructure Additional Provision FinancialImpactDueToTroubledDebtRestructureAdditionalProvision	11000
CY2018Q1	tcbk	Provision For Benefit From Loan Losses Expensed ProvisionForBenefitFromLoanLossesExpensed	-236000
CY2018Q1	tcbk	Foreclosed Assets Expense ForeclosedAssetsExpense	24000
CY2018Q1	tcbk	Provision For Reversal Of Losses Unfunded Commitments ProvisionForReversalOfLossesUnfundedCommitments	-700000
CY2018Q1	tcbk	Payment For Loan And Lease Originations And Principal Collections PaymentForLoanAndLeaseOriginationsAndPrincipalCollections	54682000
CY2018Q1	tcbk	Operating Interest Income Other OperatingInterestIncomeOther	284000
CY2018Q1	tcbk	Loss Gain On Sale Of Foreclosed Assets LossGainOnSaleOfForeclosedAssets	371000
CY2018Q1	tcbk	Change In Market Value Of Mortgage Servicing Rights ChangeInMarketValueOfMortgageServicingRights	-111000
CY2018Q1	tcbk	Ending Valuation Allowance EndingValuationAllowance	152000
CY2018Q1	tcbk	Debt Securities Dividends And Interest Bearing Cash At Banks DebtSecuritiesDividendsAndInterestBearingCashAtBanks	9072000
CY2018Q1	tcbk	All Other Loan Interest Income AllOtherLoanInterestIncome	37417000
CY2018Q1	tcbk	Other Comprehensive Income Loss Joint Beneficiary Agreement Liability Adjustments Net Of Tax OtherComprehensiveIncomeLossJointBeneficiaryAgreementLiabilityAdjustmentsNetOfTax	0
CY2018Q1	tcbk	Other Comprehensive Income Loss Joint Beneficiary Agreement Liability Adjustments Before Reclassification And Tax OtherComprehensiveIncomeLossJointBeneficiaryAgreementLiabilityAdjustmentsBeforeReclassificationAndTax	0
CY2018Q1	tcbk	Overdraft Privilege Receivable Criteria OverdraftPrivilegeReceivableCriteria	All holders of such accounts who bring their accounts to a positive balance at least once every thirty days receive the overdraft privilege.
CY2018Q1	tcbk	Letter Of Credit Issue Period LetterOfCreditIssuePeriod	One year or less
CY2018Q1	tcbk	Commitments Expiration Date CommitmentsExpirationDate	One year or less or other termination clauses and may require payment of a fee.
CY2018Q1	tcbk	Number Of Sites Leased Under Non Cancelable Operating Leases NumberOfSitesLeasedUnderNonCancelableOperatingLeases	41	site
CY2018Q1	tcbk	Number Of Policies Owned NumberOfPoliciesOwned	182	Policies
CY2018Q1	tcbk	Number Of Locations Organized NumberOfLocationsOrganized	2	Location
CY2018Q1	tcbk	Ending Number Of Foreclosed Assets EndingNumberOfForeclosedAssets	10	Assets
CY2018Q1	tcbk	Current And Former Employees And Directors Covered CurrentAndFormerEmployeesAndDirectorsCovered	57	Employees
CY2018Q1	tcbk	Number Of Categories Occupied Under Commercial Real Estate Loan NumberOfCategoriesOccupiedUnderCommercialRealEstateLoan	2	Category
CY2018Q1	tcbk	Number Of Subsidiary Business Trust NumberOfSubsidiaryBusinessTrust	5	Trust
CY2018Q1	tcbk	Insurance Companies Used InsuranceCompaniesUsed	14	Company
CY2018Q1	tcbk	Employee Service Period Under Esop EmployeeServicePeriodUnderEsop	P1Y
CY2018Q1	tcbk	Tdr Loans Payment Period In Non Accrual Status TdrLoansPaymentPeriodInNonAccrualStatus	P6M
CY2018Q1	tcbk	Life Of Mortgage Backed Securities LifeOfMortgageBackedSecurities	P6Y1M6D
CY2018Q1	tcbk	Nonaccrual Status Loans Contractual Past Due NonaccrualStatusLoansContractualPastDue	P90D
CY2018Q1	tcbk	Common Stock Conversion Ratio CommonStockConversionRatio	1.648265	pure
CY2017Q2	us-gaap	Noninterest Income NoninterestIncome	12910000
CY2018Q1	tcbk	Effective Income Tax Rate Reconciliation Nondeductible Joint Beneficiary Agreement Expense EffectiveIncomeTaxRateReconciliationNondeductibleJointBeneficiaryAgreementExpense	0.001	pure
CY2018Q1	tcbk	Effective Income Tax Rate Reconciliation Nondeductible Expense Merger Expenses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMergerExpenses	0.004	pure
CY2018Q1	tcbk	Performance Share Units Vesting PerformanceShareUnitsVesting	116000
CY2018Q1	tcbk	Increase Decrease In Junior Subordinated Debt IncreaseDecreaseInJuniorSubordinatedDebt	47000
CY2017Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.17
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	21236000
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7647000
CY2017Q2	us-gaap	Interest Expense InterestExpense	1610000
CY2017Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	45044000
CY2017Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	44230000
CY2017Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	43434000
CY2017Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	36418000
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	13589000
CY2017Q2	us-gaap	Noninterest Expense NoninterestExpense	35904000
CY2017Q2	tcbk	Discount Accretion Purchased Credit Impaired Cash Basis DiscountAccretionPurchasedCreditImpairedCashBasis	386000
CY2017Q2	tcbk	Discount Accretion Write Down Purchased Credit Impaired Other DiscountAccretionWriteDownPurchasedCreditImpairedOther	797000
CY2017Q2	tcbk	Discount Accretion Purchased Non Credit Impaired DiscountAccretionPurchasedNonCreditImpaired	987000
CY2017Q2	tcbk	Provision For Benefit From Loan Losses Expensed ProvisionForBenefitFromLoanLossesExpensed	-796000
CY2017Q2	tcbk	Debt Securities Dividends And Interest Bearing Cash At Banks DebtSecuritiesDividendsAndInterestBearingCashAtBanks	8626000
CY2017Q2	tcbk	All Other Loan Interest Income AllOtherLoanInterestIncome	34248000
CY2017Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.17
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19027000
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7130000
CY2017Q3	us-gaap	Interest Expense InterestExpense	1829000
CY2017Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	45913000
CY2017Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	43319000
CY2017Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	44084000
CY2017Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	37268000
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	11897000
CY2017Q3	us-gaap	Noninterest Expense NoninterestExpense	37222000
CY2017Q3	us-gaap	Noninterest Income NoninterestIncome	12930000
CY2017Q3	tcbk	Discount Accretion Purchased Credit Impaired Cash Basis DiscountAccretionPurchasedCreditImpairedCashBasis	398000
CY2017Q3	tcbk	Discount Accretion Write Down Purchased Credit Impaired Other DiscountAccretionWriteDownPurchasedCreditImpairedOther	407000
CY2017Q3	tcbk	Discount Accretion Purchased Non Credit Impaired DiscountAccretionPurchasedNonCreditImpaired	559000
CY2017Q3	tcbk	Provision For Benefit From Loan Losses Expensed ProvisionForBenefitFromLoanLossesExpensed	765000
CY2017Q3	tcbk	Debt Securities Dividends And Interest Bearing Cash At Banks DebtSecuritiesDividendsAndInterestBearingCashAtBanks	8645000
CY2017Q3	tcbk	All Other Loan Interest Income AllOtherLoanInterestIncome	35904000
CY2017Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.17
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.13
CY2017Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	17818000
CY2017Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14829000
CY2017Q4	us-gaap	Interest Expense InterestExpense	1868000
CY2017Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	46961000
CY2017Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	43416000
CY2017Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	45093000
CY2017Q4	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	38194000
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	2989000
CY2017Q4	us-gaap	Noninterest Expense NoninterestExpense	38076000
CY2017Q4	us-gaap	Noninterest Income NoninterestIncome	12478000
CY2017Q4	tcbk	Discount Accretion Purchased Credit Impaired Cash Basis DiscountAccretionPurchasedCreditImpairedCashBasis	516000
CY2017Q4	tcbk	Discount Accretion Write Down Purchased Credit Impaired Other DiscountAccretionWriteDownPurchasedCreditImpairedOther	445000
CY2017Q4	tcbk	Discount Accretion Purchased Non Credit Impaired DiscountAccretionPurchasedNonCreditImpaired	528000
CY2017Q4	tcbk	Provision For Benefit From Loan Losses Expensed ProvisionForBenefitFromLoanLossesExpensed	1677000
CY2017Q4	tcbk	Debt Securities Dividends And Interest Bearing Cash At Banks DebtSecuritiesDividendsAndInterestBearingCashAtBanks	8767000
CY2017Q4	tcbk	All Other Loan Interest Income AllOtherLoanInterestIncome	36705000

Files In Submission

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0001193125-18-157782-index-headers.html	Edgar Link	pending
0001193125-18-157782-index.html	Edgar Link	pending
0001193125-18-157782.txt	Edgar Link	pending
0001193125-18-157782-xbrl.zip	Edgar Link	pending
d579384d10q.htm	Edgar Link	pending
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$TCBK
Trico Bancshares Stock $tcbk

2018 Q1 Form 10-Q Financial Statement

#000119312518157782 Filed on May 10, 2018

Income Statement

Balance Sheet

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$TCBK Trico Bancshares Stock $tcbk

2018 Q1 Form 10-Q Financial Statement

#000119312518157782 Filed on May 10, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TCBK
Trico Bancshares Stock $tcbk