$COLB
COLUMBIA BANKING SYSTEM, INC. Stock $colb

$colb Overview Financials Valuation SEC Filings Company Website

2016 Q2 Form 10-Q Financial Statement

#000088734316000090 Filed on August 04, 2016

Income Statement

Concept	2016 Q2	2015 Q2
Revenue	$83.30M	$82.04M
YoY Change	1.54%	7.82%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$3.929M	$4.242M
YoY Change	-7.38%	15.27%
% of Gross Profit
Depreciation & Amortization	$8.100M	$6.900M
YoY Change	17.39%	-14.81%
% of Gross Profit
Operating Expenses	$3.929M	$4.242M
YoY Change	-7.38%	15.27%
Operating Profit
YoY Change
Interest Expense	$1.163M	$1.030M
YoY Change	12.91%	6.96%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$36.65M	$31.80M
YoY Change	15.26%	6.46%
Income Tax	$11.25M	$9.853M
% Of Pretax Income	30.68%	30.99%
Net Earnings	$25.41M	$21.95M
YoY Change	15.76%	3.39%
Net Earnings / Revenue	30.5%	26.75%
Basic Earnings Per Share	$0.44	$0.38
Diluted Earnings Per Share	$0.44	$0.38
COMMON SHARES
Basic Shares Outstanding	57.19M shares	57.06M shares
Diluted Shares Outstanding	57.20M shares	57.07M shares

Balance Sheet

Concept	2016 Q2	2015 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$178.4M	$177.7M
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	$156.4M	$170.4M
YoY Change	-8.18%	8.77%
Goodwill	$382.8M	$382.5M
YoY Change	0.06%	11.22%
Intangibles	$20.51M	$26.92M
YoY Change	-23.82%	18.13%
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	$9.354B	$8.518B
YoY Change	9.81%	16.73%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$89.00M	$92.00M
YoY Change	-3.26%	268.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$89.00M	$92.00M
YoY Change	-3.26%	268.0%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$112.0M	$100.0M
YoY Change	12.0%	17.65%
Total Long-Term Liabilities	$112.0M	$100.0M
YoY Change	12.0%	17.65%
TOTAL LIABILITIES
Total Short-Term Liabilities	$89.00M	$92.00M
Total Long-Term Liabilities	$112.0M	$100.0M
Total Liabilities	$8.079B	$7.282B
YoY Change	10.95%	17.35%
SHAREHOLDERS EQUITY
Retained Earnings	$259.1M	$243.9M
YoY Change	6.24%	8.51%
Common Stock	$992.3M	$987.3M
YoY Change	0.51%	14.59%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.274B	$1.236B
YoY Change
Total Liabilities & Shareholders Equity	$9.354B	$8.518B
YoY Change	9.81%	16.73%

Cashflow Statement

Concept	2016 Q2	2015 Q2
OPERATING ACTIVITIES
Net Income	$25.41M	$21.95M
YoY Change	15.76%	3.39%
Depreciation, Depletion And Amortization	$8.100M	$6.900M
YoY Change	17.39%	-14.81%
Cash From Operating Activities	$44.40M	$37.60M
YoY Change	18.09%	34.77%
INVESTING ACTIVITIES
Capital Expenditures	-$800.0K	-$800.0K
YoY Change	0.0%	-77.14%
Acquisitions
YoY Change
Other Investing Activities	-$322.3M	-$62.00M
YoY Change	419.84%	-9.75%
Cash From Investing Activities	-$323.1M	-$62.70M
YoY Change	415.31%	-13.16%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	268.3M	-45.80M
YoY Change	-685.81%	-243.57%
NET CHANGE
Cash From Operating Activities	44.40M	37.60M
Cash From Investing Activities	-323.1M	-62.70M
Cash From Financing Activities	268.3M	-45.80M
Net Change In Cash	-10.40M	-70.90M
YoY Change	-85.33%	471.77%
FREE CASH FLOW
Cash From Operating Activities	$44.40M	$37.60M
Capital Expenditures	-$800.0K	-$800.0K
Free Cash Flow	$45.20M	$38.40M
YoY Change	17.71%	22.29%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	2052000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	9809000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	1010000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	10000	USD
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	8248000	USD
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	0	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-74000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	77000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	1440000	USD
	colb	Fdic Loss Sharing Asset Net Reimbursable Losses FdicLossSharingAssetNetReimbursableLosses	-166000	USD
	colb	Real Estate Acquired Through Foreclosure Transfers In Net Of Write Downs RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns	311000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-4000	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
CY2016Q2	colb	Allowance For Loan And Lease Losses Net Changes In Unfunded Commitments And Letters Of Credit Allowance AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance	-150000	USD
	colb	Allowance For Loan And Lease Losses Net Changes In Unfunded Commitments And Letters Of Credit Allowance AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance	-150000	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
CY2015Q4	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2930000	USD
CY2016Q1	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2930000	USD
CY2016Q2	colb	Allowance For Unfunded Loan Commitments And Letters Of Credit AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit	2780000	USD
CY2016Q2	colb	Amount Of Estimated Clawback Liability AmountOfEstimatedClawbackLiability	5433000	USD
CY2015Q4	colb	Availableforsale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Lossinstant AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant	9021000	USD
CY2016Q2	colb	Availableforsale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Lossinstant AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant	2016000	USD
CY2015Q4	colb	Availableforsale Securities Continuous Unrealized Loss Position Lessthan12 Months Aggregate Loss Instant AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant	9247000	USD
CY2016Q2	colb	Availableforsale Securities Continuous Unrealized Loss Position Lessthan12 Months Aggregate Loss Instant AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant	390000	USD
CY2015Q2	colb	Basic Earnings Allocated To Common Shareholders BasicEarningsAllocatedToCommonShareholders	21659000	USD
	colb	Basic Earnings Allocated To Common Shareholders BasicEarningsAllocatedToCommonShareholders	45750000	USD
CY2016Q2	colb	Basic Earnings Allocated To Common Shareholders BasicEarningsAllocatedToCommonShareholders	25017000	USD
	colb	Basic Earnings Allocated To Common Shareholders BasicEarningsAllocatedToCommonShareholders	46004000	USD
CY2015Q2	colb	Cardrevenue Cardrevenue	5702000	USD
	colb	Cardrevenue Cardrevenue	11065000	USD
CY2016Q2	colb	Cardrevenue Cardrevenue	6051000	USD
	colb	Cardrevenue Cardrevenue	11703000	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
CY2016Q2	colb	Change In Federal Deposit Insurance Corporation Loss Sharing Asset ChangeInFederalDepositInsuranceCorporationLossSharingAsset	-990000	USD
	colb	Change In Federal Deposit Insurance Corporation Loss Sharing Asset ChangeInFederalDepositInsuranceCorporationLossSharingAsset	-2093000	USD
CY2015Q2	colb	Diluted Earnings Allocated To Common Shareholders DilutedEarningsAllocatedToCommonShareholders	21659000	USD
	colb	Diluted Earnings Allocated To Common Shareholders DilutedEarningsAllocatedToCommonShareholders	45750000	USD
CY2016Q2	colb	Diluted Earnings Allocated To Common Shareholders DilutedEarningsAllocatedToCommonShareholders	25017000	USD
	colb	Diluted Earnings Allocated To Common Shareholders DilutedEarningsAllocatedToCommonShareholders	46004000	USD
CY2015Q2	colb	Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares	248000	USD
	colb	Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares	475000	USD
CY2016Q2	colb	Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares	343000	USD
	colb	Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares	578000	USD
CY2015Q2	colb	Earningsallocatedtoparticipatingsecuritiespreferredshares Earningsallocatedtoparticipatingsecuritiespreferredshares	39000	USD
	colb	Earningsallocatedtoparticipatingsecuritiespreferredshares Earningsallocatedtoparticipatingsecuritiespreferredshares	82000	USD
CY2016Q2	colb	Earningsallocatedtoparticipatingsecuritiespreferredshares Earningsallocatedtoparticipatingsecuritiespreferredshares	45000	USD
	colb	Earningsallocatedtoparticipatingsecuritiespreferredshares Earningsallocatedtoparticipatingsecuritiespreferredshares	82000	USD
CY2015Q2	colb	Fdic Losssharing Asset Impairment Recaptureof Loans FDICLosssharingAssetImpairmentRecaptureofLoans	1000	USD
	colb	Fdic Losssharing Asset Impairment Recaptureof Loans FDICLosssharingAssetImpairmentRecaptureofLoans	1532000	USD
CY2016Q2	colb	Fdic Losssharing Asset Impairment Recaptureof Loans FDICLosssharingAssetImpairmentRecaptureofLoans	-20000	USD
	colb	Fdic Losssharing Asset Impairment Recaptureof Loans FDICLosssharingAssetImpairmentRecaptureofLoans	127000	USD
CY2015Q2	colb	Fdic Loss Sharing Asset Amortization Net FdicLossSharingAssetAmortizationNet	-1376000	USD
	colb	Fdic Loss Sharing Asset Amortization Net FdicLossSharingAssetAmortizationNet	-3670000	USD
CY2016Q2	colb	Fdic Loss Sharing Asset Amortization Net FdicLossSharingAssetAmortizationNet	-883000	USD
	colb	Fdic Loss Sharing Asset Amortization Net FdicLossSharingAssetAmortizationNet	-2215000	USD
CY2015Q2	colb	Fdic Loss Sharing Asset Cash Payments Received FdicLossSharingAssetCashPaymentsReceived	-2862000	USD
	colb	Fdic Loss Sharing Asset Cash Payments Received FdicLossSharingAssetCashPaymentsReceived	-3522000	USD
CY2016Q2	colb	Fdic Loss Sharing Asset Cash Payments Received FdicLossSharingAssetCashPaymentsReceived	-396000	USD
	colb	Fdic Loss Sharing Asset Cash Payments Received FdicLossSharingAssetCashPaymentsReceived	-43000	USD
CY2015Q2	colb	Fdic Loss Sharing Asset Disposals FdicLossSharingAssetDisposals	-208000	USD
	colb	Fdic Loss Sharing Asset Disposals FdicLossSharingAssetDisposals	-627000	USD
CY2016Q2	colb	Fdic Loss Sharing Asset Disposals FdicLossSharingAssetDisposals	-24000	USD
	colb	Fdic Loss Sharing Asset Disposals FdicLossSharingAssetDisposals	120000	USD
CY2015Q2	colb	Fdic Loss Sharing Asset Net Reimbursable Losses FdicLossSharingAssetNetReimbursableLosses	-944000	USD
	colb	Fdic Loss Sharing Asset Net Reimbursable Losses FdicLossSharingAssetNetReimbursableLosses	-964000	USD
CY2016Q2	colb	Fdic Loss Sharing Asset Net Reimbursable Losses FdicLossSharingAssetNetReimbursableLosses	-302000	USD
CY2015Q2	colb	Fdic Loss Sharing Asset Other FdicLossSharingAssetOther	37000	USD
	colb	Fdic Loss Sharing Asset Other FdicLossSharingAssetOther	297000	USD
CY2016Q2	colb	Fdic Loss Sharing Asset Other FdicLossSharingAssetOther	-23000	USD
	colb	Fdic Loss Sharing Asset Other FdicLossSharingAssetOther	-103000	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
CY2016Q2	colb	Fdic Loss Sharing Asset Write Downs Of Other Real Estate FdicLossSharingAssetWriteDownsOfOtherRealEstate	-40000	USD
	colb	Fdic Loss Sharing Asset Write Downs Of Other Real Estate FdicLossSharingAssetWriteDownsOfOtherRealEstate	-22000	USD
CY2016Q2	colb	Federal Deposit Insurance Corporation Loss Sharing Indemnified Assets FederalDepositInsuranceCorporationLossSharingIndemnifiedAssets	3200000	USD
CY2016Q2	colb	Federal Deposit Insurance Corporation Loss Sharing Indemnified Assets Receivable FederalDepositInsuranceCorporationLossSharingIndemnifiedAssetsReceivable	1100000	USD
CY2015Q2	colb	Financialservicesandtrustrevenue Financialservicesandtrustrevenue	3217000	USD
	colb	Financialservicesandtrustrevenue Financialservicesandtrustrevenue	6341000	USD
CY2016Q2	colb	Financialservicesandtrustrevenue Financialservicesandtrustrevenue	2780000	USD
	colb	Financialservicesandtrustrevenue Financialservicesandtrustrevenue	5601000	USD
CY2015Q4	colb	Financing Receivable Modifications Additional Commitment To Lend FinancingReceivableModificationsAdditionalCommitmentToLend	0	USD
CY2016Q2	colb	Financing Receivable Modifications Additional Commitment To Lend FinancingReceivableModificationsAdditionalCommitmentToLend	19000	USD
CY2015Q4	colb	Financing Receivable Unpaid Principal Balance Nonaccrual Status FinancingReceivableUnpaidPrincipalBalanceNonaccrualStatus	32263000	USD
CY2016Q2	colb	Financing Receivable Unpaid Principal Balance Nonaccrual Status FinancingReceivableUnpaidPrincipalBalanceNonaccrualStatus	36071000	USD
CY2015Q2	colb	Goodwill And Intangible Assets Total GoodwillAndIntangibleAssetsTotal	409461000	USD
CY2016Q2	colb	Goodwill And Intangible Assets Total GoodwillAndIntangibleAssetsTotal	403273000	USD
CY2015Q2	colb	Loan And Lease Losses General Allocation LoanAndLeaseLossesGeneralAllocation	67899000	USD
CY2016Q2	colb	Loan And Lease Losses General Allocation LoanAndLeaseLossesGeneralAllocation	66599000	USD
CY2015Q2	colb	Loan And Lease Losses Specific Reserve LoanAndLeaseLossesSpecificReserve	1358000	USD
CY2016Q2	colb	Loan And Lease Losses Specific Reserve LoanAndLeaseLossesSpecificReserve	2705000	USD
CY2015Q2	colb	Loanrevenue Loanrevenue	2322000	USD
	colb	Loanrevenue Loanrevenue	4925000	USD
CY2016Q2	colb	Loanrevenue Loanrevenue	2802000	USD
	colb	Loanrevenue Loanrevenue	5064000	USD
CY2015Q2	colb	Merchant Processing MerchantProcessing	1079000	USD
	colb	Merchant Processing MerchantProcessing	2056000	USD
CY2016Q2	colb	Merchant Processing MerchantProcessing	1118000	USD
	colb	Merchant Processing MerchantProcessing	2151000	USD
CY2015Q2	colb	Netcostbenefitofoperationofotherrealestateowned Netcostbenefitofoperationofotherrealestateowned	-563000	USD
	colb	Netcostbenefitofoperationofotherrealestateowned Netcostbenefitofoperationofotherrealestateowned	-1809000	USD
CY2016Q2	colb	Netcostbenefitofoperationofotherrealestateowned Netcostbenefitofoperationofotherrealestateowned	84000	USD
	colb	Netcostbenefitofoperationofotherrealestateowned Netcostbenefitofoperationofotherrealestateowned	188000	USD
	colb	Netgainonsaleandvaluationadjustmentsof Oreo NetgainonsaleandvaluationadjustmentsofOREO	2199000	USD
	colb	Netgainonsaleandvaluationadjustmentsof Oreo NetgainonsaleandvaluationadjustmentsofOREO	-160000	USD
CY2016Q2	colb	Non Single Family Covered Assets NonSingleFamilyCoveredAssets	93972000	USD
	colb	Payment Of Clawback If Losses Less Than Stated Levels Period After Acquisition PaymentOfClawbackIfLossesLessThanStatedLevelsPeriodAfterAcquisition	P10Y45D
	colb	Paymentto Fdic Relatedto Loss Sharing Asset PaymenttoFDICRelatedtoLossSharingAsset	487000	USD
	colb	Paymentto Fdic Relatedto Loss Sharing Asset PaymenttoFDICRelatedtoLossSharingAsset	625000	USD
CY2016Q2	colb	Preferred Stock Converted Into Common Stock Shares PreferredStockConvertedIntoCommonStockShares	102363	shares
	colb	Proceedsfrom Fdi Cforreimbursementonlosssharingasset ProceedsfromFDICforreimbursementonlosssharingasset	4009000	USD
	colb	Proceedsfrom Fdi Cforreimbursementonlosssharingasset ProceedsfromFDICforreimbursementonlosssharingasset	668000	USD
CY2015Q2	colb	Real Estate Acquired Through Foreclosure Transfers In Net Of Write Downs RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns	3143000	USD
	colb	Real Estate Acquired Through Foreclosure Transfers In Net Of Write Downs RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns	7836000	USD
CY2016Q2	colb	Real Estate Acquired Through Foreclosure Transfers In Net Of Write Downs RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns	206000	USD
CY2015Q4	colb	Repurchaseagreementsamountsoffsetinbalancesheet Repurchaseagreementsamountsoffsetinbalancesheet	0	USD
CY2016Q2	colb	Repurchaseagreementsamountsoffsetinbalancesheet Repurchaseagreementsamountsoffsetinbalancesheet	0	USD
CY2015Q4	colb	Repurchaseagreementsnetamountpresentedinstatementoffinancialposition Repurchaseagreementsnetamountpresentedinstatementoffinancialposition	99699000	USD
CY2016Q2	colb	Repurchaseagreementsnetamountpresentedinstatementoffinancialposition Repurchaseagreementsnetamountpresentedinstatementoffinancialposition	89218000	USD
CY2015Q4	colb	Securitiessoldunderagreementstorepurchaseamountnotoffset Securitiessoldunderagreementstorepurchaseamountnotoffset	0	USD
CY2016Q2	colb	Securitiessoldunderagreementstorepurchaseamountnotoffset Securitiessoldunderagreementstorepurchaseamountnotoffset	0	USD
CY2016Q2	colb	Single Family Covered Assets SingleFamilyCoveredAssets	35075000	USD
CY2016Q1	colb	Special Dividends Payable Amount Per Share SpecialDividendsPayableAmountPerShare	0.20
CY2016Q2	colb	Special Dividends Payable Amount Per Share SpecialDividendsPayableAmountPerShare	0.18
CY2015Q2	colb	Taxes Licenses And Fees TaxesLicensesAndFees	1427000	USD
	colb	Taxes Licenses And Fees TaxesLicensesAndFees	2659000	USD
CY2016Q2	colb	Taxes Licenses And Fees TaxesLicensesAndFees	1298000	USD
	colb	Taxes Licenses And Fees TaxesLicensesAndFees	2588000	USD
CY2015Q2	colb	Transfer Other Real Estate Write Down TransferOtherRealEstateWriteDown	596000	USD
	colb	Transfer Other Real Estate Write Down TransferOtherRealEstateWriteDown	793000	USD
CY2016Q2	colb	Transfer Other Real Estate Write Down TransferOtherRealEstateWriteDown	139000	USD
	colb	Transfer Other Real Estate Write Down TransferOtherRealEstateWriteDown	276000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
	dei	Document Period End Date DocumentPeriodEndDate	2016-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000887343
CY2016Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	58048500	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	COLUMBIA BANKING SYSTEM INC
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	5621000	USD
CY2015Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	14286000	USD
CY2015Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2789000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6295000	USD
CY2016Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	12343000	USD
CY2016Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	20811000	USD
CY2015Q2	us-gaap	Advertising Expense AdvertisingExpense	1195000	USD
	us-gaap	Advertising Expense AdvertisingExpense	2126000	USD
CY2016Q2	us-gaap	Advertising Expense AdvertisingExpense	1043000	USD
	us-gaap	Advertising Expense AdvertisingExpense	1885000	USD
CY2015Q2	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2434000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	8315000	USD
CY2016Q2	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2634000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	5377000	USD
CY2015Q2	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	5613000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	12038000	USD
CY2016Q2	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	6234000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	13139000	USD
CY2015Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1718000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3535000	USD
CY2016Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1483000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3066000	USD
CY2015Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	37000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	45000	shares
CY2016Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	19000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	23000	shares
CY2015Q4	us-gaap	Assets Assets	8951697000	USD
CY2016Q2	us-gaap	Assets Assets	9353651000	USD
CY2016Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	2237264000	USD
CY2015Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	2157694000	USD
CY2016Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	2279552000	USD
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	18352000	USD
CY2016Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	44694000	USD
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	18268000	USD
CY2016Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2406000	USD
CY2015Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2157610000	USD
CY2016Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2237264000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	18268000	USD
CY2016Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	2406000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1217129000	USD
CY2016Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	248170000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	918813000	USD
CY2016Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	68734000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	298316000	USD
CY2016Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	179436000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	698729000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	716521000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	462009000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	471463000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	1044568000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	1059532000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	26674000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	26827000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	5284000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	5209000	USD
CY2016Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	2279552000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1064000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	602000	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
CY2016Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	229000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	602000	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
CY2016Q2	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	44500000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	83400000	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
CY2016Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2016Q2	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	594509000	USD
CY2015Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1206000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2284000	USD
CY2016Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1270000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2386000	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
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	175302000	USD
CY2016Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	178388000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-10467000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	3086000	USD
CY2015Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	166929000	USD
CY2016Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	167172000	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
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	58981000	USD
CY2016Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	56607000	USD
CY2016Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	52909000	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
CY2016Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	3774000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	8003000	USD
CY2015Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	959000	USD
CY2016Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	-149000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	-1910000	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
CY2016Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	-73000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	21000	USD
CY2015Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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
CY2016Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.37
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.75
CY2016Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2016Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2015Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2016Q2	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	115000000	shares
CY2016Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	115000000	shares
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	57724000	shares
CY2016Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	58025000	shares
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	57724000	shares
CY2016Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	58025000	shares
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	990281000	USD
CY2016Q2	us-gaap	Common Stock Value CommonStockValue	992343000	USD
CY2015Q2	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	4242000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	9226000	USD
CY2016Q2	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	3929000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	8075000	USD
CY2015Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10449000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	43475000	USD
CY2016Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33873000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	73770000	USD
CY2015Q4	us-gaap	Deposits Deposits	7438829000	USD
CY2016Q2	us-gaap	Deposits Deposits	7673213000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	14630000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	18898000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	36851000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	43404000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	77000	USD
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.44
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
CY2016Q2	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	69000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	116000	USD
CY2015Q2	us-gaap	Goodwill Goodwill	382537000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	382762000	USD
CY2016Q2	us-gaap	Goodwill Goodwill	382762000	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
CY2016Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	36650000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	67138000	USD
CY2015Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9853000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20680000	USD
CY2016Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11245000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20474000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	7281000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	11130000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	119651000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	234526000	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 Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-10481000	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	-319000	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	1861000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-105000	USD
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.44
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
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
CY2015Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	6568000	USD
CY2016Q1	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	5954000	USD
CY2016Q2	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	4266000	USD
	us-gaap	Fair Value Liabilities Level2 To Level1 Transfers Description FairValueLiabilitiesLevel2ToLevel1TransfersDescription	0
CY2015Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1321000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2542000	USD
CY2016Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1068000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2209000	USD
CY2015Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	68531000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	204512000	USD
CY2015Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	12722000	USD
CY2016Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	18161000	USD
CY2015Q2	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	7351000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	14211000	USD
CY2016Q2	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	7093000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	14082000	USD
CY2015Q2	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	2340000	USD
	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	4380000	USD
CY2016Q2	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	2272000	USD
	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	4374000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	21464000	USD
CY2016Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	22915000	USD
CY2016Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2880000	USD
CY2016Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2048000	USD
CY2016Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2951000	USD
CY2016Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3855000	USD
CY2016Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4913000	USD
CY2015Q2	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-9000	USD
CY2016Q2	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-7000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	289000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-170000	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
CY2016Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	229000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	602000	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
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1579000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	7818000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3292000	USD
CY2015Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	919000	USD
CY2016Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	919000	USD
CY2015Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	26924000	USD
CY2015Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	23577000	USD
CY2016Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	20511000	USD
CY2015Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	82040000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	163457000	USD
CY2016Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	83303000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	164477000	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
CY2016Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	71651000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	141967000	USD
CY2015Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	3931471000	USD
CY2016Q2	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	4020262000	USD
CY2015Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	8373000	USD
CY2016Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	11216000	USD
CY2015Q2	us-gaap	Interest Expense InterestExpense	1030000	USD
	us-gaap	Interest Expense InterestExpense	2083000	USD
CY2016Q2	us-gaap	Interest Expense InterestExpense	1163000	USD
	us-gaap	Interest Expense InterestExpense	2167000	USD
CY2015Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	740000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1488000	USD
CY2016Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	787000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1529000	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
CY2016Q2	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	241000	USD
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	365000	USD
CY2015Q2	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	136000	USD
	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	282000	USD
CY2016Q2	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	135000	USD
	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	273000	USD
CY2015Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	26000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	53000	USD
CY2016Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	28000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	66000	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
CY2016Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	78500000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	153416000	USD
CY2015Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	81010000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	37070000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	296920000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	161374000	USD
CY2016Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	82140000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	162310000	USD
CY2015Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	3010000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	6052000	USD
CY2016Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2795000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	5598000	USD
CY2015Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7260000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	14786000	USD
CY2016Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	8829000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	16846000	USD
	us-gaap	Interest Paid Net InterestPaidNet	2188000	USD
	us-gaap	Interest Paid Net InterestPaidNet	2241000	USD
CY2015Q4	us-gaap	Interest Receivable InterestReceivable	27877000	USD
CY2016Q2	us-gaap	Interest Receivable InterestReceivable	29738000	USD
CY2015Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	38446000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	77546000	USD
CY2016Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	37291000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	73610000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	7709569000	USD
CY2016Q2	us-gaap	Liabilities Liabilities	8079172000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8951697000	USD
CY2016Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9353651000	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
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	68172000	USD
CY2016Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	69264000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	69304000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	42373000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	37221000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	5815027000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	6107143000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	5746855000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	6037839000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	10000000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	10300000	USD
	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	718000	USD
	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	397000	USD
CY2015Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	4509000	USD
CY2016Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	7649000	USD
CY2016Q2	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	658000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-109719000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	316075000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	34639000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-386640000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	64613000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	73651000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	21946000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46307000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	25405000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46664000	USD
CY2015Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3507358000	USD
CY2016Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3652951000	USD
CY2015Q2	us-gaap	Noninterest Expense NoninterestExpense	68471000	USD
	us-gaap	Noninterest Expense NoninterestExpense	135205000	USD
CY2016Q2	us-gaap	Noninterest Expense NoninterestExpense	63790000	USD
	us-gaap	Noninterest Expense NoninterestExpense	128864000	USD
CY2015Q2	us-gaap	Noninterest Income NoninterestIncome	21462000	USD
	us-gaap	Noninterest Income NoninterestIncome	44229000	USD
CY2016Q2	us-gaap	Noninterest Income NoninterestIncome	21940000	USD
	us-gaap	Noninterest Income NoninterestIncome	42586000	USD
CY2015Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	475000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	1303000	USD
CY2016Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	433000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	867000	USD
CY2015Q2	us-gaap	Occupancy Net OccupancyNet	8687000	USD
	us-gaap	Occupancy Net OccupancyNet	16680000	USD
CY2016Q2	us-gaap	Occupancy Net OccupancyNet	7652000	USD
	us-gaap	Occupancy Net OccupancyNet	17825000	USD
CY2015Q4	us-gaap	Other Assets OtherAssets	235854000	USD
CY2016Q2	us-gaap	Other Assets OtherAssets	227726000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-280000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	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
CY2016Q2	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
CY2016Q2	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	106000	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	212000	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
CY2016Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	-61000	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	-122000	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
CY2016Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	8362000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	26894000	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
CY2016Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	8508000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	27278000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2832000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	27106000	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
CY2016Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	8468000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	27106000	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 Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	189000	USD
CY2016Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-106000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-212000	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
CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	146000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	384000	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
CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	83000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	218000	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
CY2016Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	8508000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	27278000	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
CY2016Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-4844000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-15530000	USD
CY2015Q4	us-gaap	Other Liabilities OtherLiabilities	102510000	USD
CY2016Q2	us-gaap	Other Liabilities OtherLiabilities	112229000	USD
CY2015Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8072000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	15290000	USD
CY2016Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7047000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	14165000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	1490000000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	826000000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	32281000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	46705000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	175260000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	298259000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	874000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1092000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	36851000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	43404000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	66000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	42400000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4805000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1199000	USD
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2016Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2015Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	9000	shares
CY2016Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	9000	shares
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue	2217000	USD
CY2016Q2	us-gaap	Preferred Stock Value PreferredStockValue	2217000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	1319000000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	962000000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	1010000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	10000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	135102000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	123817000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	72166000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	83410000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	23002000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	36961000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	11553000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	3276000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	29177000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	43565000	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
CY2016Q2	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	1950000	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	3276000	USD
	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	7869000	USD
	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	4631000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	519000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	603000	USD
CY2015Q2	us-gaap	Professional Fees ProfessionalFees	2847000	USD
	us-gaap	Professional Fees ProfessionalFees	5354000	USD
CY2016Q2	us-gaap	Professional Fees ProfessionalFees	1777000	USD
	us-gaap	Professional Fees ProfessionalFees	3102000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	164239000	USD
CY2016Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	156446000	USD
CY2015Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2202000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3411000	USD
CY2016Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3640000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	8894000	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
CY2015Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	13738000	USD
CY2016Q1	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	12427000	USD
CY2016Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	10613000	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
CY2016Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	40000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	172000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	255925000	USD
CY2016Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	259108000	USD
CY2016Q2	us-gaap	Secured Borrowings Gross Difference Amount SecuredBorrowingsGrossDifferenceAmount	0	USD
CY2016Q2	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	89218000	USD
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	99699000	USD
CY2016Q2	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	89218000	USD
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	99699000	USD
CY2016Q2	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	89218000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1836000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2551000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	2551000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	603000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1092000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	1228175000	USD
CY2015Q2	us-gaap	Stockholders Equity StockholdersEquity	1236214000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1242128000	USD
CY2016Q2	us-gaap	Stockholders Equity StockholdersEquity	1274479000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	7836000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	311000	USD
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
CY2016Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	10000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	11000	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
CY2016Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57195000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57160000	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
CY2016Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	57185000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	57149000	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-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-13, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Measurement of Credit Losses on Financial Instruments</font><font style="font-family:inherit;font-size:10pt;">. The amendments included in this ASU require an entity to reflect its current estimate of all expected credit losses for assets held at an amortized cost basis. For available for sale debt securities, credit losses should be measured in a manner similar to current GAAP, however, this ASU will require that credit losses be presented as an allowance rather than as a write-down. The amendments in ASU 2016-13 are effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, and are required to be adopted through a modified retrospective approach, with a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the ASU is effective. The Company is assessing the impact that this guidance will have on its consolidated financial statements.</font></div><div style="line-height:120%;padding-top:12px;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In March 2016, the FASB issued ASU 2016-09, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Improvements to Employee Share-Based Payment Accounting</font><font style="font-family:inherit;font-size:10pt;">. The amendments included in this ASU simplify several aspects of the accounting for employee share-based payment transactions including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. The amendments in ASU 2016-09 are effective for the first interim or annual period beginning after December 15, 2016. Early adoption is permitted. The Company is assessing the impact that this guidance will have on its consolidated financial statements but does not expect the impact to be material.</font></div><div style="line-height:120%;padding-top:12px;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In February 2016, the FASB issued ASU 2016-02, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Leases</font><font style="font-family:inherit;font-size:10pt;">. The amendments included in this ASU create a new accounting model for both lessees and lessors. The new guidance requires lessees to recognize lease liabilities and corresponding right-of-use assets for all leases with lease terms greater than 12 months. The amendments in ASU 2016-02 must be adopted using the modified retrospective approach and will be effective for the first interim or annual period beginning after December 15, 2018. Early adoption is permitted. The Company is assessing the impact that this guidance will have on its consolidated financial statements.</font></div><div style="line-height:120%;padding-top:12px;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In January 2016, the FASB issued ASU 2016-01, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Recognition and Measurement of Financial Assets and Financial Liabilities</font><font style="font-family:inherit;font-size:10pt;">. The amendments in ASU 2016-01 require all equity investments to be measured at fair value with changes in the fair value recognized through net income. The amendments in ASU 2016-01 also require an entity to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments. In addition, the amendments in this Update eliminate the requirement to disclose the method(s) and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet for public business entities. The amendments in ASU 2016-01 are effective for the first interim or annual period beginning after December 15, 2017. The Company is assessing the impact that this guidance will have on its consolidated financial statements but does not expect the impact to be material.</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, in August 2015, the FASB issued ASU 2015-14, which delayed the effective date of ASU 2014-09 by one year and permits companies to voluntarily adopt the new standard as of the original effective date. In March, April and May 2016, the FASB issued ASU 2016-08, ASU 2016-10 and ASU 2016-12, respectively, to provide implementation guidance and practical expedients related to ASU 2014-09. The Company is assessing the impact that this guidance will have on its consolidated financial statements but does not expect the impact to be material.</font></div></div>

Files In Submission

Name	View Source	Status
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0000887343-16-000090-index.html	Edgar Link	pending
0000887343-16-000090.txt	Edgar Link	pending
0000887343-16-000090-xbrl.zip	Edgar Link	pending
colb-20160630.xml	Edgar Link	completed
colb-20160630.xsd	Edgar Link	pending
colb-20160630_cal.xml	Edgar Link	unprocessable
colb-20160630_def.xml	Edgar Link	unprocessable
colb-20160630_lab.xml	Edgar Link	unprocessable
colb-20160630_pre.xml	Edgar Link	unprocessable
colb2q2016ex311.htm	Edgar Link	pending
colb2q2016ex312.htm	Edgar Link	pending
colb2q2016ex32.htm	Edgar Link	pending
colb2q2016form10-q.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
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$COLB
COLUMBIA BANKING SYSTEM, INC. Stock $colb

2016 Q2 Form 10-Q Financial Statement

#000088734316000090 Filed on August 04, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$COLB COLUMBIA BANKING SYSTEM, INC. Stock $colb

2016 Q2 Form 10-Q Financial Statement

#000088734316000090 Filed on August 04, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$COLB
COLUMBIA BANKING SYSTEM, INC. Stock $colb