$COLB
Columbia Banking System Inc Stock $colb

$colb Overview Financials Valuation SEC Filings Company Website

2015 Q2 Form 10-Q Financial Statement

#000088734315000026 Filed on August 07, 2015

Income Statement

Concept	2015 Q2	2014 Q2
Revenue	$82.04M	$76.09M
YoY Change	7.82%	-7.51%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$4.242M	$3.680M
YoY Change	15.27%	1.15%
% of Gross Profit
Depreciation & Amortization	$6.900M	$8.100M
YoY Change	-14.81%	-14.74%
% of Gross Profit
Operating Expenses	$4.242M	$3.680M
YoY Change	15.27%	1.15%
Operating Profit
YoY Change
Interest Expense	$1.030M	$963.0K
YoY Change	6.96%	-57.74%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$31.80M	$29.87M
YoY Change	6.46%	35.74%
Income Tax	$9.853M	$8.643M
% Of Pretax Income	30.99%	28.94%
Net Earnings	$21.95M	$21.23M
YoY Change	3.39%	45.48%
Net Earnings / Revenue	26.75%	27.9%
Basic Earnings Per Share	$0.38	$0.40
Diluted Earnings Per Share	$0.38	$0.40
COMMON SHARES
Basic Shares Outstanding	57.06M shares	52.09M shares
Diluted Shares Outstanding	57.07M shares	52.49M shares

Balance Sheet

Concept	2015 Q2	2014 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$177.7M	$224.5M
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	$170.4M	$156.6M
YoY Change	8.77%	-1.34%
Goodwill	$382.5M	$344.0M
YoY Change	11.22%	0.0%
Intangibles	$26.92M	$22.79M
YoY Change	18.13%	-21.86%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$8.518B	$7.297B
YoY Change	16.73%	3.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$92.00M	$25.00M
YoY Change	268.0%	0.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$92.00M	$25.00M
YoY Change	268.0%	0.0%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$100.0M	$85.00M
YoY Change	17.65%	-2.3%
Total Long-Term Liabilities	$100.0M	$85.00M
YoY Change	17.65%	-2.3%
TOTAL LIABILITIES
Total Short-Term Liabilities	$92.00M	$25.00M
Total Long-Term Liabilities	$100.0M	$85.00M
Total Liabilities	$7.282B	$6.205B
YoY Change	17.35%	2.74%
SHAREHOLDERS EQUITY
Retained Earnings	$243.9M	$224.8M
YoY Change	8.51%	24.83%
Common Stock	$987.3M	$861.6M
YoY Change	14.59%	0.47%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.236B	$1.092B
YoY Change
Total Liabilities & Shareholders Equity	$8.518B	$7.297B
YoY Change	16.73%	3.21%

Cashflow Statement

Concept	2015 Q2	2014 Q2
OPERATING ACTIVITIES
Net Income	$21.95M	$21.23M
YoY Change	3.39%	45.48%
Depreciation, Depletion And Amortization	$6.900M	$8.100M
YoY Change	-14.81%	-14.74%
Cash From Operating Activities	$37.60M	$27.90M
YoY Change	34.77%	72.22%
INVESTING ACTIVITIES
Capital Expenditures	-$800.0K	-$3.500M
YoY Change	-77.14%	-35.19%
Acquisitions
YoY Change
Other Investing Activities	-$62.00M	-$68.70M
YoY Change	-9.75%	-5.89%
Cash From Investing Activities	-$62.70M	-$72.20M
YoY Change	-13.16%	-7.79%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-45.80M	31.90M
YoY Change	-243.57%	-116.52%
NET CHANGE
Cash From Operating Activities	37.60M	27.90M
Cash From Investing Activities	-62.70M	-72.20M
Cash From Financing Activities	-45.80M	31.90M
Net Change In Cash	-70.90M	-12.40M
YoY Change	471.77%	-95.14%
FREE CASH FLOW
Cash From Operating Activities	$37.60M	$27.90M
Capital Expenditures	-$800.0K	-$3.500M
Free Cash Flow	$38.40M	$31.40M
YoY Change	22.29%	45.37%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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	colb	Allowance For Loan And Lease Losses Net Changes In Unfunded Commitments And Letters Of Credit Allowance AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance	-150000	USD
CY2015Q2	colb	Allowance For Loan And Lease Losses Net Changes In Unfunded Commitments And Letters Of Credit Allowance AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance	275000	USD
	colb	Allowance For Loan And Lease Losses Net Changes In Unfunded Commitments And Letters Of Credit Allowance AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance	275000	USD
CY2013Q4	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2505000	USD
CY2014Q1	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2455000	USD
CY2014Q2	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2355000	USD
CY2014Q4	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2655000	USD
CY2015Q1	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2655000	USD
CY2015Q2	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2930000	USD
CY2015Q2	colb	Amount Of Estimated Clawback Liability AmountOfEstimatedClawbackLiability	4167000	USD
CY2014Q4	colb	Availableforsale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Lossinstant AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant	11989000	USD
CY2015Q2	colb	Availableforsale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Lossinstant AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant	9870000	USD
CY2014Q4	colb	Availableforsale Securities Continuous Unrealized Loss Position Lessthan12 Months Aggregate Loss Instant AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant	2350000	USD
CY2015Q2	colb	Availableforsale Securities Continuous Unrealized Loss Position Lessthan12 Months Aggregate Loss Instant AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant	3917000	USD
CY2014Q2	colb	Basic Earnings Allocated To Common Shareholders BasicEarningsAllocatedToCommonShareholders	20980000	USD
	colb	Basic Earnings Allocated To Common Shareholders BasicEarningsAllocatedToCommonShareholders	40614000	USD
CY2015Q2	colb	Basic Earnings Allocated To Common Shareholders BasicEarningsAllocatedToCommonShareholders	21659000	USD
	colb	Basic Earnings Allocated To Common Shareholders BasicEarningsAllocatedToCommonShareholders	45750000	USD
CY2014Q2	colb	Change In Federal Deposit Insurance Corporation Loss Sharing Asset ChangeInFederalDepositInsuranceCorporationLossSharingAsset	-5050000	USD
	colb	Change In Federal Deposit Insurance Corporation Loss Sharing Asset ChangeInFederalDepositInsuranceCorporationLossSharingAsset	-9869000	USD
CY2015Q2	colb	Change In Federal Deposit Insurance Corporation Loss Sharing Asset ChangeInFederalDepositInsuranceCorporationLossSharingAsset	-1494000	USD
	colb	Change In Federal Deposit Insurance Corporation Loss Sharing Asset ChangeInFederalDepositInsuranceCorporationLossSharingAsset	-1344000	USD
CY2014Q2	colb	Diluted Earnings Allocated To Common Shareholders DilutedEarningsAllocatedToCommonShareholders	20981000	USD
	colb	Diluted Earnings Allocated To Common Shareholders DilutedEarningsAllocatedToCommonShareholders	40617000	USD
CY2015Q2	colb	Diluted Earnings Allocated To Common Shareholders DilutedEarningsAllocatedToCommonShareholders	21659000	USD
	colb	Diluted Earnings Allocated To Common Shareholders DilutedEarningsAllocatedToCommonShareholders	45750000	USD
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CY2015Q2	colb	Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares	248000	USD
	colb	Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares	475000	USD
CY2014Q2	colb	Earningsallocatedtoparticipatingsecuritiespreferredshares Earningsallocatedtoparticipatingsecuritiespreferredshares	41000	USD
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CY2015Q2	colb	Earningsallocatedtoparticipatingsecuritiespreferredshares Earningsallocatedtoparticipatingsecuritiespreferredshares	39000	USD
	colb	Earningsallocatedtoparticipatingsecuritiespreferredshares Earningsallocatedtoparticipatingsecuritiespreferredshares	82000	USD
CY2014Q2	colb	Fdic Losssharing Asset Impairment Recaptureof Loans FDICLosssharingAssetImpairmentRecaptureofLoans	1214000	USD
	colb	Fdic Losssharing Asset Impairment Recaptureof Loans FDICLosssharingAssetImpairmentRecaptureofLoans	3151000	USD
CY2015Q2	colb	Fdic Losssharing Asset Impairment Recaptureof Loans FDICLosssharingAssetImpairmentRecaptureofLoans	1000	USD
	colb	Fdic Losssharing Asset Impairment Recaptureof Loans FDICLosssharingAssetImpairmentRecaptureofLoans	1532000	USD
CY2014Q2	colb	Fdic Loss Sharing Asset Amortization Net FdicLossSharingAssetAmortizationNet	-5764000	USD
	colb	Fdic Loss Sharing Asset Amortization Net FdicLossSharingAssetAmortizationNet	-12216000	USD
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
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	colb	Fdic Loss Sharing Asset Amortization Net FdicLossSharingAssetAmortizationNet	-3670000	USD
CY2014Q2	colb	Fdic Loss Sharing Asset Cash Payments Received FdicLossSharingAssetCashPaymentsReceived	3442000	USD
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CY2015Q2	colb	Fdic Loss Sharing Asset Cash Payments Received FdicLossSharingAssetCashPaymentsReceived	2862000	USD
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CY2014Q2	colb	Fdic Loss Sharing Asset Disposals FdicLossSharingAssetDisposals	965000	USD
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CY2015Q2	colb	Fdic Loss Sharing Asset Disposals FdicLossSharingAssetDisposals	208000	USD
	colb	Fdic Loss Sharing Asset Disposals FdicLossSharingAssetDisposals	627000	USD
CY2014Q2	colb	Fdic Loss Sharing Asset Net Reimbursable Losses FdicLossSharingAssetNetReimbursableLosses	-364000	USD
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CY2015Q2	colb	Fdic Loss Sharing Asset Net Reimbursable Losses FdicLossSharingAssetNetReimbursableLosses	-944000	USD
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CY2014Q2	colb	Fdic Loss Sharing Asset Other FdicLossSharingAssetOther	-189000	USD
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CY2015Q2	colb	Fdic Loss Sharing Asset Other FdicLossSharingAssetOther	-37000	USD
	colb	Fdic Loss Sharing Asset Other FdicLossSharingAssetOther	-297000	USD
CY2014Q2	colb	Fdic Loss Sharing Asset Write Downs Of Other Real Estate FdicLossSharingAssetWriteDownsOfOtherRealEstate	276000	USD
	colb	Fdic Loss Sharing Asset Write Downs Of Other Real Estate FdicLossSharingAssetWriteDownsOfOtherRealEstate	792000	USD
CY2015Q2	colb	Fdic Loss Sharing Asset Write Downs Of Other Real Estate FdicLossSharingAssetWriteDownsOfOtherRealEstate	52000	USD
	colb	Fdic Loss Sharing Asset Write Downs Of Other Real Estate FdicLossSharingAssetWriteDownsOfOtherRealEstate	1124000	USD
CY2015Q2	colb	Federal Deposit Insurance Corporation Loss Sharing Indemnified Assets FederalDepositInsuranceCorporationLossSharingIndemnifiedAssets	9000000	USD
CY2015Q2	colb	Federal Deposit Insurance Corporation Loss Sharing Indemnified Assets Receivable FederalDepositInsuranceCorporationLossSharingIndemnifiedAssetsReceivable	344000	USD
CY2014Q4	colb	Financing Receivable Modifications Additional Commitment To Lend FinancingReceivableModificationsAdditionalCommitmentToLend	0	USD
CY2015Q2	colb	Financing Receivable Modifications Additional Commitment To Lend FinancingReceivableModificationsAdditionalCommitmentToLend	0	USD
CY2014Q4	colb	Financing Receivable Unpaid Principal Balance Nonaccrual Status FinancingReceivableUnpaidPrincipalBalanceNonaccrualStatus	44774000	USD
CY2015Q2	colb	Financing Receivable Unpaid Principal Balance Nonaccrual Status FinancingReceivableUnpaidPrincipalBalanceNonaccrualStatus	32716000	USD
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CY2015Q2	colb	Goodwill And Intangible Assets Total GoodwillAndIntangibleAssetsTotal	409461000	USD
CY2014Q2	colb	Loan And Lease Losses General Allocation LoanAndLeaseLossesGeneralAllocation	68915000	USD
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CY2014Q2	colb	Loan And Lease Losses Specific Reserve LoanAndLeaseLossesSpecificReserve	380000	USD
CY2015Q2	colb	Loan And Lease Losses Specific Reserve LoanAndLeaseLossesSpecificReserve	1358000	USD
CY2014Q2	colb	Merchant Processing MerchantProcessing	998000	USD
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CY2015Q2	colb	Merchant Processing MerchantProcessing	1079000	USD
	colb	Merchant Processing MerchantProcessing	2056000	USD
CY2015Q2	colb	Non Single Family Covered Assets NonSingleFamilyCoveredAssets	146614000	USD
	colb	Payment Of Clawback If Losses Less Than Stated Levels Period After Acquisition PaymentOfClawbackIfLossesLessThanStatedLevelsPeriodAfterAcquisition	P10Y45D
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CY2015Q2	colb	Preferred Stock Converted Into Common Stock Shares PreferredStockConvertedIntoCommonStockShares	102363	shares
CY2014Q2	colb	Real Estate Acquired Through Foreclosure Transfers In Net Of Write Downs RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns	2090000	USD
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CY2015Q2	colb	Securitiessoldunderagreementstorepurchaseamountnotoffset Securitiessoldunderagreementstorepurchaseamountnotoffset	0	USD
CY2015Q2	colb	Single Family Covered Assets SingleFamilyCoveredAssets	43540000	USD
CY2015Q1	colb	Special Dividends Payable Amount Per Share SpecialDividendsPayableAmountPerShare	0.14
CY2015Q2	colb	Special Dividends Payable Amount Per Share SpecialDividendsPayableAmountPerShare	0.16
	colb	Stock Adjustment Value Deferred Compensation StockAdjustmentValueDeferredCompensation	-1000	USD
	colb	Stock Issued During Period Value Cashless Conversionof Warrants StockIssuedDuringPeriodValueCashlessConversionofWarrants	0	USD
CY2014Q2	colb	Taxes Licenses And Fees TaxesLicensesAndFees	1051000	USD
	colb	Taxes Licenses And Fees TaxesLicensesAndFees	2231000	USD
CY2015Q2	colb	Taxes Licenses And Fees TaxesLicensesAndFees	1427000	USD
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CY2014Q2	colb	Transfer Other Real Estate Write Down TransferOtherRealEstateWriteDown	974000	USD
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	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Period End Date DocumentPeriodEndDate	2015-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000887343
CY2015Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	57734127	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	COLUMBIA BANKING SYSTEM INC
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CY2014Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	63000	shares
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CY2014Q4	us-gaap	Assets Assets	8578846000	USD
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CY2015Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1907403000	USD
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CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	25527000	USD
CY2015Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	20829000	USD
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	14339000	USD
CY2015Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	13787000	USD
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CY2015Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	352912000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	535833000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	539403000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	391397000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	392321000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	954777000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	957174000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	20112000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	20399000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	5284000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	5148000	USD
CY2015Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1914445000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	519000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1064000	USD
CY2014Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	296000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	519000	USD
CY2015Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	343000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1073000	USD
CY2014Q2	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	24300000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	30700000	USD
CY2015Q2	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	14900000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	72200000	USD
CY2014Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2015Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	9000	USD
CY2015Q2	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	536266000	USD
CY2014Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	976000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1941000	USD
CY2015Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1206000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2284000	USD
CY2014Q4	us-gaap	Business Acquisition Percentage Of Voting Interests Acquired BusinessAcquisitionPercentageOfVotingInterestsAcquired	1.00
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	179561000	USD
CY2014Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	224462000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	188170000	USD
CY2015Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	177703000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	44901000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-10467000	USD
CY2014Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	171221000	USD
CY2015Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	172139000	USD
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	0	USD
CY2013Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	103907000	USD
CY2014Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	101543000	USD
CY2014Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	92511000	USD
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	73849000	USD
CY2015Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	68726000	USD
CY2015Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	67283000	USD
CY2014Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	10055000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	20624000	USD
CY2015Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	5737000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	12056000	USD
CY2014Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	0	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	2826000	USD
CY2015Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	959000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	2052000	USD
CY2014Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	1023000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	12054000	USD
CY2015Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	5253000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	7542000	USD
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.24
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.36
CY2015Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.34
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.64
CY2015Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.16
CY2015Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2014Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2015Q2	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	63033000	shares
CY2015Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	115000000	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	57437000	shares
CY2015Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	57709000	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	57437000	shares
CY2015Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	57709000	shares
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	985839000	USD
CY2015Q2	us-gaap	Common Stock Value CommonStockValue	987320000	USD
CY2014Q2	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	3680000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	7200000	USD
CY2015Q2	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	4242000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	9226000	USD
CY2014Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	29830000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	56675000	USD
CY2015Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10449000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	43475000	USD
CY2014Q4	us-gaap	Deposits Deposits	6924722000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	37000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	66000	USD
CY2015Q2	us-gaap	Deposits Deposits	7044373000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	17057000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	14630000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	18783000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	36851000	USD
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.77
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2013Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	39846000	USD
CY2014Q1	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	36837000	USD
CY2014Q2	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	27981000	USD
CY2014Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	15174000	USD
CY2015Q1	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	14644000	USD
CY2015Q2	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	9344000	USD
	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	-3982000	USD
	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	-4009000	USD
	us-gaap	Fair Value Liabilities Level2 To Level1 Transfers Description FairValueLiabilitiesLevel2ToLevel1TransfersDescription	0
CY2014Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1073000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2249000	USD
CY2015Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1321000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2542000	USD
CY2014Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	216568000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	45549000	USD
CY2014Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	33365000	USD
CY2015Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	11803000	USD
CY2014Q2	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	13790000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	26726000	USD
CY2015Q2	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	15874000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	30743000	USD
CY2014Q2	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	2040000	USD
	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	3910000	USD
CY2015Q2	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	2340000	USD
	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	4380000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	31352000	USD
CY2015Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	25746000	USD
CY2015Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3347000	USD
CY2015Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2951000	USD
CY2015Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3855000	USD
CY2015Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4913000	USD
CY2015Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	5945000	USD
CY2014Q2	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	-97000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	49000	USD
CY2015Q2	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	-563000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	-1809000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	0	USD
CY2015Q2	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	9000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	4000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-453000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	289000	USD
CY2014Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	296000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	519000	USD
CY2015Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	343000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	1064000	USD
CY2014Q2	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	1311000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	2972000	USD
CY2015Q2	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	1255000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	2992000	USD
CY2014Q2	us-gaap	Goodwill Goodwill	343952000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	382537000	USD
CY2015Q2	us-gaap	Goodwill Goodwill	382537000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	2554000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	793000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	29870000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	58510000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31799000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	66987000	USD
CY2014Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8643000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17439000	USD
CY2015Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9853000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20680000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	8200000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	7281000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	25594000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	119651000	USD
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	0	USD
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-12850000	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	-23000	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	-319000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-20000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-105000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	15000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	3104000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3062000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1579000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-2589000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3292000	USD
CY2014Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	919000	USD
CY2015Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	919000	USD
CY2014Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	22792000	USD
CY2014Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	30459000	USD
CY2014Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	16949000	USD
CY2015Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	5564000	USD
CY2014Q2	us-gaap	Interest Expense InterestExpense	963000	USD
	us-gaap	Interest Expense InterestExpense	1948000	USD
CY2015Q2	us-gaap	Interest Expense InterestExpense	1030000	USD
CY2015Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	26924000	USD
CY2014Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	76087000	USD
	us-gaap	Interest Expense InterestExpense	2083000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	151012000	USD
CY2015Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	82040000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	163457000	USD
CY2014Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	67004000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	132545000	USD
CY2015Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	71744000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	142566000	USD
CY2014Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	4273349000	USD
CY2015Q2	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	3836835000	USD
CY2014Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	729000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1481000	USD
CY2015Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	740000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1488000	USD
CY2014Q2	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	115000	USD
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	229000	USD
CY2015Q2	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	154000	USD
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	313000	USD
CY2014Q2	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	119000	USD
	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	238000	USD
CY2015Q2	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	136000	USD
	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	282000	USD
CY2014Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	30000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	44000	USD
CY2015Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	26000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	53000	USD
CY2014Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	73007000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	145025000	USD
CY2015Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	78808000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	157963000	USD
CY2014Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	75124000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	149064000	USD
CY2015Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	81010000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	161374000	USD
CY2014Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2671000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	5289000	USD
CY2015Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	3010000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	6052000	USD
CY2014Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6382000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	13134000	USD
CY2015Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7260000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	14786000	USD
	us-gaap	Interest Paid Net InterestPaidNet	1968000	USD
	us-gaap	Interest Paid Net InterestPaidNet	2188000	USD
CY2014Q4	us-gaap	Interest Receivable InterestReceivable	27802000	USD
CY2015Q2	us-gaap	Interest Receivable InterestReceivable	27483000	USD
CY2014Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	31064000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	62402000	USD
CY2015Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	38446000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	77546000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	7350671000	USD
CY2015Q2	us-gaap	Liabilities Liabilities	7281805000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8578846000	USD
CY2015Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8518019000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	72454000	USD
CY2014Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	70571000	USD
CY2014Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	69295000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	69569000	USD
CY2015Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	70234000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	69257000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	59374000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	49359000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	5445378000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	5611897000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	5375809000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	5542640000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	13200000	USD
CY2015Q2	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	10100000	USD
	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	0	USD
	us-gaap	Loans And Leases Receivable Related Parties Collections LoansAndLeasesReceivableRelatedPartiesCollections	3100000	USD
CY2014Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	1116000	USD
CY2015Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	4220000	USD
CY2015Q2	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	2500000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	80598000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-109719000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-99065000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	34639000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	63368000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	64613000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	21227000	USD
	us-gaap	Net Income Loss NetIncomeLoss	41071000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	21946000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	48000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	159000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	24000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46307000	USD
CY2014Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2651373000	USD
CY2015Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3207538000	USD
CY2014Q2	us-gaap	Noninterest Expense NoninterestExpense	57764000	USD
	us-gaap	Noninterest Expense NoninterestExpense	115150000	USD
CY2015Q2	us-gaap	Noninterest Expense NoninterestExpense	68471000	USD
	us-gaap	Noninterest Expense NoninterestExpense	135205000	USD
CY2014Q2	us-gaap	Noninterest Income NoninterestIncome	14627000	USD
	us-gaap	Noninterest Income NoninterestIncome	28635000	USD
CY2015Q2	us-gaap	Noninterest Income NoninterestIncome	21462000	USD
	us-gaap	Noninterest Income NoninterestIncome	44229000	USD
CY2014Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	2575000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	5408000	USD
CY2015Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	3193000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	7102000	USD
CY2014Q2	us-gaap	Occupancy Net OccupancyNet	8587000	USD
	us-gaap	Occupancy Net OccupancyNet	16831000	USD
CY2015Q2	us-gaap	Occupancy Net OccupancyNet	8687000	USD
	us-gaap	Occupancy Net OccupancyNet	16680000	USD
CY2014Q4	us-gaap	Other Assets OtherAssets	231877000	USD
CY2015Q2	us-gaap	Other Assets OtherAssets	229923000	USD
CY2014Q4	us-gaap	Other Borrowings OtherBorrowings	8248000	USD
CY2015Q2	us-gaap	Other Borrowings OtherBorrowings	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-280000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	63000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	91000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	-13000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	-26000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	-35000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	-51000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	8579000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	15556000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-11560000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2643000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	8768000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	15887000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-11341000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-2245000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	15604000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-48000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-63000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2832000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	8603000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	15604000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-11497000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2832000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-24000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	189000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	189000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	331000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	219000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	678000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	107000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	188000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	124000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	386000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	8768000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	15887000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-11341000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1965000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-4992000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-9041000	USD
CY2015Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	6457000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1119000	USD
CY2014Q4	us-gaap	Other Liabilities OtherLiabilities	96053000	USD
CY2015Q2	us-gaap	Other Liabilities OtherLiabilities	99653000	USD
CY2014Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6675000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	12959000	USD
CY2015Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8072000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	15290000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	1094000000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	1490000000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	201162000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	175260000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	601000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	874000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	18783000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	36851000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	37000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	66000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	22804000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	37070000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	0	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	1440000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8383000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4805000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	1010000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3411000	USD
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2015Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2014Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	9000	shares
CY2015Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	9000	shares
CY2014Q4	us-gaap	Preferred Stock Value PreferredStockValue	2217000	USD
CY2015Q2	us-gaap	Preferred Stock Value PreferredStockValue	2217000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	1168000000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	1319000000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	50000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	83788000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	135102000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	30704000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	72166000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	15932000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	11553000	USD
CY2014Q2	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	4726000	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	15932000	USD
CY2015Q2	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	6484000	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	11608000	USD
	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	1095000	USD
	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	30871000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	425000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	519000	USD
CY2014Q2	us-gaap	Professional Fees ProfessionalFees	2303000	USD
	us-gaap	Professional Fees ProfessionalFees	4472000	USD
CY2015Q2	us-gaap	Professional Fees ProfessionalFees	2847000	USD
	us-gaap	Professional Fees ProfessionalFees	5354000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	172090000	USD
CY2015Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	170380000	USD
CY2014Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2117000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4039000	USD
CY2015Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2202000	USD
CY2013Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	35927000	USD
CY2014Q1	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	30553000	USD
CY2014Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	28254000	USD
CY2014Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	22190000	USD
CY2015Q1	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	23299000	USD
CY2015Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	20617000	USD
CY2014Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	165000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	283000	USD
CY2015Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	156000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	587000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	50000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	1010000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	234498000	USD
CY2015Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	243888000	USD
CY2015Q2	us-gaap	Secured Borrowings Gross Difference Amount SecuredBorrowingsGrossDifferenceAmount	0	USD
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	8248000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	425000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1836000	USD
CY2015Q2	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	92230000	USD
CY2014Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	105080000	USD
CY2015Q2	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	92230000	USD
CY2014Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	105080000	USD
CY2015Q2	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	92230000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1224000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1836000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1224000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	519000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	601000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	874000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	1053249000	USD
CY2014Q2	us-gaap	Stockholders Equity StockholdersEquity	1092151000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	1228175000	USD
CY2015Q2	us-gaap	Stockholders Equity StockholdersEquity	1236214000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	7841000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	7836000	USD
CY2014Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	406000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	863000	shares
CY2015Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	14000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	13000	shares
CY2014Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52494000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52463000	shares
CY2015Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57069000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57012000	shares
CY2014Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52088000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51600000	shares
CY2015Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	57055000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56999000	shares
	us-gaap	Description Of New Accounting Pronouncements Not Yet Adopted DescriptionOfNewAccountingPronouncementsNotYetAdopted	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Accounting Pronouncements Recently Issued</font></div><div style="line-height:120%;padding-top:12px;text-align:left;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In May 2014, the FASB issued ASU 2014-09, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Revenue from Contracts with Customers</font><font style="font-family:inherit;font-size:10pt;">. The guidance in this update supersedes the revenue recognition requirements in ASC Topic 605, Revenue Recognition, and most industry-specific guidance throughout the industry topics of the codification. For public companies, this update was to be effective for interim and annual periods beginning after December 15, 2016. However, on July 9, 2015, the FASB voted to approve a one year delay of the effective date and to permit companies to voluntarily adopt the new standard as of the original effective date. The Company is currently assessing the impact that this guidance will have on its consolidated financial statements, but does not expect the guidance to have a material impact on the Company’s consolidated financial statements.</font></div></div>

Files In Submission

Name	View Source	Status
0000887343-15-000026-index-headers.html	Edgar Link	pending
0000887343-15-000026-index.html	Edgar Link	pending
0000887343-15-000026.txt	Edgar Link	pending
0000887343-15-000026-xbrl.zip	Edgar Link	pending
colb-20150630.xml	Edgar Link	completed
colb-20150630.xsd	Edgar Link	pending
colb-20150630_cal.xml	Edgar Link	unprocessable
colb-20150630_def.xml	Edgar Link	unprocessable
colb-20150630_lab.xml	Edgar Link	unprocessable
colb-20150630_pre.xml	Edgar Link	unprocessable
colb063015pub10-q.htm	Edgar Link	pending
colb06302015ex311.htm	Edgar Link	pending
colb06302015ex312.htm	Edgar Link	pending
colb06302015ex32.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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$COLB
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2015 Q2 Form 10-Q Financial Statement

#000088734315000026 Filed on August 07, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$COLB Columbia Banking System Inc Stock $colb

2015 Q2 Form 10-Q Financial Statement

#000088734315000026 Filed on August 07, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$COLB
Columbia Banking System Inc Stock $colb