v2.4.1.9

Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash Flows From Operating Activities |  |  |  |
Net Income | $ 24,361 us-gaap_NetIncomeLoss |  | $ 19,844 us-gaap_NetIncomeLoss |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |
Provision for loan and lease losses | 1,209 us-gaap_ProvisionForLoanAndLeaseLosses | [1] | 1,922 us-gaap_ProvisionForLoanAndLeaseLosses | [1]
Stock-based compensation expense | 862 us-gaap_ShareBasedCompensation |  | 680 us-gaap_ShareBasedCompensation |
Depreciation, amortization and accretion | 7,735 us-gaap_DepreciationAmortizationAndAccretionNet |  | 8,972 us-gaap_DepreciationAmortizationAndAccretionNet |
Net realized gain on sale of securities | 721 us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet |  | 223 us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet |
Net realized gain on sale of other assets | (306)us-gaap_GainLossOnSaleOfOtherAssets |  | 8 us-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 | 197 us-gaap_ImpairmentOfRealEstate |  | 1,580 us-gaap_ImpairmentOfRealEstate |
Net change in: |  |  |  |
Loans held for sale | (2,429)us-gaap_IncreaseDecreaseInLoansHeldForSale |  | 735 us-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 |  | 5,714 us-gaap_IncreaseDecreaseInOtherOperatingAssets |
Other liabilities | 3,680 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities |  | (649)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities |
Net cash provided by operating activities | 26,956 us-gaap_NetCashProvidedByUsedInOperatingActivities |  | 35,517 us-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 | 1,138 us-gaap_FDICIndemnificationAssetCashPaymentsReceived |  | 539 us-gaap_FDICIndemnificationAssetCashPaymentsReceived |
Proceeds from sales of securities available for sale | 57,243 us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities |  | 6,441 us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities |
Proceeds from principal repayments and maturities of securities available for sale | 54,451 us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities |  | 36,530 us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities |
Proceeds from Sales of Assets, Investing Activities | 7,745 us-gaap_ProceedsFromSalesOfAssetsInvestingActivities |  | 337 us-gaap_ProceedsFromSalesOfAssetsInvestingActivities |
Proceeds from sales of other real estate and other personal property owned | 5,067 us-gaap_ProceedsFromSaleOfForeclosedAssets | [2] | 11,205 us-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 | 97,328 us-gaap_NetCashProvidedByUsedInInvestingActivities |  | (26,947)us-gaap_NetCashProvidedByUsedInInvestingActivities |
Cash Flows From Financing Activities |  |  |  |
Net increase (decrease) in deposits | 150,243 us-gaap_IncreaseDecreaseInDeposits |  | 84,941 us-gaap_IncreaseDecreaseInDeposits |
Proceeds from Federal Home Loan Bank advances | 624,000 us-gaap_ProceedsFromFederalHomeLoanBankAdvances |  | 587,000 us-gaap_ProceedsFromFederalHomeLoanBankAdvances |
Proceeds from Federal Reserve Bank borrowings | 0 us-gaap_ProceedsFromFederalHomeLoanBankBorrowings |  | 50 us-gaap_ProceedsFromFederalHomeLoanBankBorrowings |
Proceeds from exercise of stock options | 428 us-gaap_ProceedsFromStockOptionsExercised |  | 405 us-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 | 0 us-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 | 8,248 us-gaap_RepaymentsOfSubordinatedDebt |  | 0 us-gaap_RepaymentsOfSubordinatedDebt |
Purchase and retirement of common stock | 781 us-gaap_PaymentsForRepurchaseOfCommonStock |  | 522 us-gaap_PaymentsForRepurchaseOfCommonStock |
Net cash used by financing activities | (63,853)us-gaap_NetCashProvidedByUsedInFinancingActivities |  | 48,658 us-gaap_NetCashProvidedByUsedInFinancingActivities |
Increase (Decrease) in cash and cash equivalents | 60,431 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |  | 57,228 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |
Cash and cash equivalents at beginning of period | 188,170 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | 179,561 us-gaap_CashAndCashEquivalentsAtCarryingValue |
Cash and cash equivalents at end of period | 248,601 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | 236,789 us-gaap_CashAndCashEquivalentsAtCarryingValue |
Supplemental Information: |  |  |  |
Cash paid for interest | 1,132 us-gaap_InterestPaidNet |  | 999 us-gaap_InterestPaidNet |
Cash paid for income tax | 13 us-gaap_IncomeTaxesPaid |  | 10 us-gaap_IncomeTaxesPaid |
Non-cash investing and financing activities |  |  |  |
Loans transferred to other real estate owned | 4,692 us-gaap_TransferToOtherRealEstate |  | 5,751 us-gaap_TransferToOtherRealEstate |
Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net | $ (8,228)us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet |  | $ 0 us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet |
[1] | {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjNlZWQyMzNmYzU4NTQ3YjE4YmZiNDE3NjBhNjc1ZWQ4fFRleHRTZWxlY3Rpb246QTFEODJCNjcwRTEwQ0JFQ0Q1OEYwNERBMjg2MDZBQzAM}
[2] | Reclassified to conform to the current period’s presentation. The reclassification was limited to removing the separate line item for “Sales of covered other real estate owned” and including the prior period activity in the line item for sales of other real estate and other personal property owned.

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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
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- Definition Amount of cash outflow from payments for Federal Home Loan Bank (FHLBank) advances. + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Amount of cash inflow from proceeds of Federal Home Loan Bank (FHLBank) advances. + References No definition available. + Details
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- Definition The cash inflow from a borrowing made from Federal Home Loan Bank. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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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. + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
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- Definition The cash outflow for the payment of loan drawn from Federal Home Loan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Value transferred from mortgage loans to real estate owned (REO) in noncash transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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