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Consolidated Statements of Income (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | |||||
|---|---|---|---|---|---|---|
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Mar. 31, 2015
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Mar. 31, 2014
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| Interest Income | ||||||
| Loans | $ 70,822us-gaap_InterestAndFeeIncomeLoansAndLeases | $ 65,541us-gaap_InterestAndFeeIncomeLoansAndLeases | ||||
| Taxable securities | 7,526us-gaap_InterestIncomeSecuritiesTaxable | 6,752us-gaap_InterestIncomeSecuritiesTaxable | ||||
| Tax-exempt securities | 3,042us-gaap_InterestIncomeSecuritiesTaxExempt | 2,618us-gaap_InterestIncomeSecuritiesTaxExempt | ||||
| Deposits in banks | 27us-gaap_InterestIncomeDepositsWithFinancialInstitutions | 14us-gaap_InterestIncomeDepositsWithFinancialInstitutions | ||||
| Total interest income | 81,417us-gaap_InterestAndDividendIncomeOperating | 74,925us-gaap_InterestAndDividendIncomeOperating | ||||
| Interest Expense | ||||||
| Deposits | 748us-gaap_InterestExpenseDeposits | 752us-gaap_InterestExpenseDeposits | ||||
| Federal Home Loan Bank advances | 159us-gaap_InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm | 114us-gaap_InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm | ||||
| Other borrowings | 146us-gaap_InterestExpenseOtherShortTermBorrowings | 119us-gaap_InterestExpenseOtherShortTermBorrowings | ||||
| Total interest expense | 1,053us-gaap_InterestExpense | 985us-gaap_InterestExpense | ||||
| Net Interest Income | 80,364us-gaap_InterestIncomeExpenseNet | 73,940us-gaap_InterestIncomeExpenseNet | ||||
| Provision for loan and lease losses | 1,209us-gaap_ProvisionForLoanAndLeaseLosses | [1] | 1,922us-gaap_ProvisionForLoanAndLeaseLosses | [1] | ||
| Net interest income after provision for loan and lease losses | 79,155us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss | 72,018us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss | ||||
| Noninterest Income (Loss) | ||||||
| Service charges and other fees | 14,869us-gaap_FeesAndCommissionsDepositorAccounts | 12,936us-gaap_FeesAndCommissionsDepositorAccounts | ||||
| Merchant services fees | 2,040us-gaap_FeesAndCommissionsOther | 1,870us-gaap_FeesAndCommissionsOther | ||||
| Gain (Loss) on Sale of Securities, Net | 721us-gaap_GainLossOnSaleOfSecuritiesNet | 223us-gaap_GainLossOnSaleOfSecuritiesNet | ||||
| Bank owned life insurance | 1,078us-gaap_BankOwnedLifeInsuranceIncome | 965us-gaap_BankOwnedLifeInsuranceIncome | ||||
| Change in FDIC loss sharing asset | 150colb_ChangeInFederalDepositInsuranceCorporationLossSharingAsset | (4,819)colb_ChangeInFederalDepositInsuranceCorporationLossSharingAsset | ||||
| Other | 3,909us-gaap_NoninterestIncomeOther | 2,833us-gaap_NoninterestIncomeOther | ||||
| Total noninterest income (loss) | 22,767us-gaap_NoninterestIncome | 14,008us-gaap_NoninterestIncome | ||||
| Noninterest Expense | ||||||
| Compensation and employee benefits | 39,100us-gaap_LaborAndRelatedExpense | 31,338us-gaap_LaborAndRelatedExpense | ||||
| Occupancy | 7,993us-gaap_OccupancyNet | 8,244us-gaap_OccupancyNet | ||||
| Merchant processing | 977colb_MerchantProcessing | 980colb_MerchantProcessing | ||||
| Advertising and promotion | 931us-gaap_AdvertisingExpense | 769us-gaap_AdvertisingExpense | ||||
| Data processing and communications | 4,984us-gaap_CommunicationsAndInformationTechnology | 3,520us-gaap_CommunicationsAndInformationTechnology | ||||
| Legal and professional fees | 2,507us-gaap_ProfessionalFees | 2,169us-gaap_ProfessionalFees | ||||
| Taxes, licenses and fees | 1,232colb_TaxesLicensesAndFees | 1,180colb_TaxesLicensesAndFees | ||||
| Regulatory premiums | 1,221us-gaap_FederalDepositInsuranceCorporationPremiumExpense | 1,176us-gaap_FederalDepositInsuranceCorporationPremiumExpense | ||||
| Net cost (benefit) of operation of other real estate owned | (1,246)us-gaap_ForeclosedRealEstateExpense | 146us-gaap_ForeclosedRealEstateExpense | ||||
| Amortization of intangibles | 1,817us-gaap_AmortizationOfIntangibleAssets | 1,580us-gaap_AmortizationOfIntangibleAssets | ||||
| Other | 7,218us-gaap_OtherNoninterestExpense | 6,284us-gaap_OtherNoninterestExpense | ||||
| Total noninterest expense | 66,734us-gaap_NoninterestExpense | 57,386us-gaap_NoninterestExpense | ||||
| Income before income taxes | 35,188us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 28,640us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | ||||
| Income tax provision | 10,827us-gaap_IncomeTaxExpenseBenefit | 8,796us-gaap_IncomeTaxExpenseBenefit | ||||
| Net Income | $ 24,361us-gaap_NetIncomeLoss | $ 19,844us-gaap_NetIncomeLoss | ||||
| Earnings per common share | ||||||
| Basic ($ per share) | $ 0.42us-gaap_EarningsPerShareBasic | $ 0.38us-gaap_EarningsPerShareBasic | ||||
| Diluted ($ per share) | $ 0.42us-gaap_EarningsPerShareDiluted | $ 0.37us-gaap_EarningsPerShareDiluted | ||||
| Dividends paid per common share | $ 0.30us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.12us-gaap_CommonStockDividendsPerShareCashPaid | ||||
| Weighted average number of common shares outstanding | 56,965us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 51,097us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | ||||
| Weighted average number of diluted common shares outstanding | 56,978us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 52,433us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | ||||
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| X | ||||||||||
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- Definition
Change in Federal Deposit Insurance Corporation Loss Sharing Asset No definition available.
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| X | ||||||||||
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- Definition
Merchant Processing No definition available.
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| X | ||||||||||
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- Definition
Taxes Licenses And Fees No definition available.
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| X | ||||||||||
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- Definition
Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of expense in the period for communications and data processing expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fee and commission revenue earned from sources not otherwise specified in the existing taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of expense recognized during the period for the foreclosure on real estate assets. No definition available.
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| X | ||||||||||
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- Definition
The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Aggregate amount of interest expense on all deposits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Interest expense incurred during the reporting period on long-term borrowings associated with Federal Home Loan Bank and Federal Reserve Bank advances. No definition available.
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| X | ||||||||||
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- Definition
Interest expense incurred during the reporting period on other short-term borrowings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net amount of operating interest income (expense). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including equity-based compensation, and pension and other postretirement benefit expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total aggregate amount of all noninterest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Represents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Other noninterest expenses that are not separately presented in any other noninterest expense category. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of expense related to estimated loss from loan and lease transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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