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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |||||||
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Mar. 31, 2015
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Mar. 31, 2014
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| Cash Flows From Operating Activities | ||||||||
| Net Income | $ 24,361us-gaap_NetIncomeLoss | $ 19,844us-gaap_NetIncomeLoss | ||||||
| Adjustments to reconcile net income to net cash provided by operating activities | ||||||||
| Provision for loan and lease losses | 1,209us-gaap_ProvisionForLoanAndLeaseLosses | [1] | 1,922us-gaap_ProvisionForLoanAndLeaseLosses | [1] | ||||
| Stock-based compensation expense | 862us-gaap_ShareBasedCompensation | 680us-gaap_ShareBasedCompensation | ||||||
| Depreciation, amortization and accretion | 7,735us-gaap_DepreciationAmortizationAndAccretionNet | 8,972us-gaap_DepreciationAmortizationAndAccretionNet | ||||||
| Net realized gain on sale of securities | 721us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet | 223us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet | ||||||
| Net realized gain on sale of other assets | (306)us-gaap_GainLossOnSaleOfOtherAssets | 8us-gaap_GainLossOnSaleOfOtherAssets | ||||||
| Net realized (gain) loss on sale of other real estate owned | (1,736)us-gaap_GainsLossesOnSalesOfOtherRealEstate | (1,659)us-gaap_GainsLossesOnSalesOfOtherRealEstate | ||||||
| Write-down on other real estate owned | 197us-gaap_ImpairmentOfRealEstate | 1,580us-gaap_ImpairmentOfRealEstate | ||||||
| Net change in: | ||||||||
| Loans held for sale | (2,429)us-gaap_IncreaseDecreaseInLoansHeldForSale | 735us-gaap_IncreaseDecreaseInLoansHeldForSale | ||||||
| Interest receivable | (1,286)us-gaap_IncreaseDecreaseInInterestAndDividendsReceivable | (1,394)us-gaap_IncreaseDecreaseInInterestAndDividendsReceivable | ||||||
| Interest payable | (79)us-gaap_IncreaseDecreaseInInterestPayableNet | (13)us-gaap_IncreaseDecreaseInInterestPayableNet | ||||||
| Other assets | (4,531)us-gaap_IncreaseDecreaseInOtherOperatingAssets | 5,714us-gaap_IncreaseDecreaseInOtherOperatingAssets | ||||||
| Other liabilities | 3,680us-gaap_IncreaseDecreaseInOtherOperatingLiabilities | (649)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities | ||||||
| Net cash provided by operating activities | 26,956us-gaap_NetCashProvidedByUsedInOperatingActivities | 35,517us-gaap_NetCashProvidedByUsedInOperatingActivities | ||||||
| Cash Flows From Investing Activities | ||||||||
| Payments for (Proceeds from) Loans and Leases | (12,443)us-gaap_PaymentsForProceedsFromLoansAndLeases | (64,065)us-gaap_PaymentsForProceedsFromLoansAndLeases | ||||||
| Purchases of securities available for sale | (11,362)us-gaap_PaymentsToAcquireAvailableForSaleSecurities | (10,787)us-gaap_PaymentsToAcquireAvailableForSaleSecurities | ||||||
| Purchases of premises and equipment | (4,032)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (4,930)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | ||||||
| Proceeds from FDIC reimbursement on loss-sharing asset | 1,138us-gaap_FDICIndemnificationAssetCashPaymentsReceived | 539us-gaap_FDICIndemnificationAssetCashPaymentsReceived | ||||||
| Proceeds from sales of securities available for sale | 57,243us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities | 6,441us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities | ||||||
| Proceeds from principal repayments and maturities of securities available for sale | 54,451us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities | 36,530us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities | ||||||
| Proceeds from Sales of Assets, Investing Activities | 7,745us-gaap_ProceedsFromSalesOfAssetsInvestingActivities | 337us-gaap_ProceedsFromSalesOfAssetsInvestingActivities | ||||||
| Proceeds from sales of other real estate and other personal property owned | 5,067us-gaap_ProceedsFromSaleOfForeclosedAssets | [2] | 11,205us-gaap_ProceedsFromSaleOfForeclosedAssets | [2] | ||||
| Payment to FDIC Related to Loss-Sharing Asset | (479)colb_PaymenttoFDICRelatedtoLossSharingAsset | (2,217)colb_PaymenttoFDICRelatedtoLossSharingAsset | ||||||
| Net cash provided by (used in) investing activities | 97,328us-gaap_NetCashProvidedByUsedInInvestingActivities | (26,947)us-gaap_NetCashProvidedByUsedInInvestingActivities | ||||||
| Cash Flows From Financing Activities | ||||||||
| Net increase (decrease) in deposits | 150,243us-gaap_IncreaseDecreaseInDeposits | 84,941us-gaap_IncreaseDecreaseInDeposits | ||||||
| Proceeds from Federal Home Loan Bank advances | 624,000us-gaap_ProceedsFromFederalHomeLoanBankAdvances | 587,000us-gaap_ProceedsFromFederalHomeLoanBankAdvances | ||||||
| Proceeds from Federal Reserve Bank borrowings | 0us-gaap_ProceedsFromFederalHomeLoanBankBorrowings | 50us-gaap_ProceedsFromFederalHomeLoanBankBorrowings | ||||||
| Proceeds from exercise of stock options | 428us-gaap_ProceedsFromStockOptionsExercised | 405us-gaap_ProceedsFromStockOptionsExercised | ||||||
| Repayment of Federal Home Loan Bank advances | (804,000)us-gaap_PaymentsForFederalHomeLoanBankAdvances | (617,000)us-gaap_PaymentsForFederalHomeLoanBankAdvances | ||||||
| Repayment of Federal Reserve Bank borrowings | 0us-gaap_RepaymentsOfFederalHomeLoanBankBorrowings | (50)us-gaap_RepaymentsOfFederalHomeLoanBankBorrowings | ||||||
| Payment of common stock dividends | (17,236)us-gaap_PaymentsOfDividendsCommonStock | (6,154)us-gaap_PaymentsOfDividendsCommonStock | ||||||
| Payments of Ordinary Dividends, Preferred Stock and Preference Stock | (31)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock | (12)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock | ||||||
| Repayments of Subordinated Debt | 8,248us-gaap_RepaymentsOfSubordinatedDebt | 0us-gaap_RepaymentsOfSubordinatedDebt | ||||||
| Purchase and retirement of common stock | 781us-gaap_PaymentsForRepurchaseOfCommonStock | 522us-gaap_PaymentsForRepurchaseOfCommonStock | ||||||
| Net cash used by financing activities | (63,853)us-gaap_NetCashProvidedByUsedInFinancingActivities | 48,658us-gaap_NetCashProvidedByUsedInFinancingActivities | ||||||
| Increase (Decrease) in cash and cash equivalents | 60,431us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 57,228us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | ||||||
| Cash and cash equivalents at beginning of period | 188,170us-gaap_CashAndCashEquivalentsAtCarryingValue | 179,561us-gaap_CashAndCashEquivalentsAtCarryingValue | ||||||
| Cash and cash equivalents at end of period | 248,601us-gaap_CashAndCashEquivalentsAtCarryingValue | 236,789us-gaap_CashAndCashEquivalentsAtCarryingValue | ||||||
| Supplemental Information: | ||||||||
| Cash paid for interest | 1,132us-gaap_InterestPaidNet | 999us-gaap_InterestPaidNet | ||||||
| Cash paid for income tax | 13us-gaap_IncomeTaxesPaid | 10us-gaap_IncomeTaxesPaid | ||||||
| Non-cash investing and financing activities | ||||||||
| Loans transferred to other real estate owned | 4,692us-gaap_TransferToOtherRealEstate | 5,751us-gaap_TransferToOtherRealEstate | ||||||
| Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net | $ (8,228)us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet | $ 0us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet | ||||||
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| X | ||||||||||
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- Definition
Payment to FDIC Related to Loss-Sharing Asset No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount 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
Amount of decreases to the indemnification asset due to cash payments received relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC). No definition available.
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| X | ||||||||||
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- Definition
Amount of gain (loss) on sale or disposal of other assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The charge against earnings in the period to reduce the carrying amount of real property to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net cash inflow or outflow from the fund lent to other financial institution arising from the excess in reserve deposited at Federal Reserve Bank to meet legal requirement. This borrowing is usually contracted on an overnight basis at an agreed rate of interest. Also include cash inflow or outflow from investment sold under the agreement to reacquire such investment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the aggregate amount due to the entity in the form of unpaid interest and dividends. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the value of loans or securitized loans that are held with the intention to sell in the near future. 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 increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. 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
Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. 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
Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. 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 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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- Details
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| X | ||||||||||
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- Definition
Amount of cash outflow from payments for Federal Home Loan Bank (FHLBank) advances. No definition available.
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| X | ||||||||||
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- Definition
The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow to reacquire common stock during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash inflow from proceeds of Federal Home Loan Bank (FHLBank) advances. No definition available.
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| X | ||||||||||
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- Definition
The cash inflow from a borrowing made from Federal Home Loan Bank. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow associated with the sale or maturity (principal being due) of securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from the sale assets received in full or partial satisfaction of a receivable including real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities. No definition available.
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| X | ||||||||||
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- Definition
The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. 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 cash outflow for the payment of loan drawn from Federal Home Loan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets or underlying collateral. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. 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
Value transferred from mortgage loans to real estate owned (REO) in noncash transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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