$NWBI
Northwest Bancshares, Inc. Stock $nwbi

$nwbi Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-Q Financial Statement

#000110465914078284 Filed on November 07, 2014

Income Statement

Concept	2014 Q4	2014 Q3	2014 Q2
Revenue	$76.59M	$76.53M	$76.99M
YoY Change	-0.6%	-1.7%	-2.21%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin		$5.630M	$6.799M
YoY Change		24.31%	14.1%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.900M	$2.100M	$2.100M
YoY Change	20.83%	10.53%	31.25%
% of Gross Profit
Operating Expenses		$5.630M	$6.799M
YoY Change		24.31%	14.1%
Operating Profit
YoY Change
Interest Expense	$13.98M	$14.19M	$14.21M
YoY Change	-5.56%	-7.13%	-7.92%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$23.54M	$23.26M	$17.11M
YoY Change	-20.13%	-0.15%	-7.29%
Income Tax	$6.190M	$5.926M	$4.435M
% Of Pretax Income	26.3%	25.48%	25.92%
Net Earnings	$17.30M	$17.30M	$12.70M
YoY Change	-15.2%	-1.7%	-4.51%
Net Earnings / Revenue	22.59%	22.61%	16.5%
Basic Earnings Per Share	$0.19	$0.19	$0.14
Diluted Earnings Per Share	$0.19	$0.19	$0.14
COMMON SHARES
Basic Shares Outstanding	94.94M shares	91.75M shares	91.49M shares
Diluted Shares Outstanding		92.12M shares	92.53M shares

Balance Sheet

Concept	2014 Q4	2014 Q3	2014 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$240.7M	$293.8M	$386.0M
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	$143.9M	$144.8M	$145.3M
YoY Change	-1.53%	1.59%	3.39%
Goodwill	$175.3M	$176.2M	$176.0M
YoY Change	0.39%	0.98%	0.87%
Intangibles	$3.033M	$3.364M	$3.694M
YoY Change	30.79%	32.39%	30.44%
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	$7.775B	$7.827B	$7.902B
YoY Change	-1.33%	-1.01%	-0.77%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.000M	$1.000M	$1.000M
YoY Change	0.0%	0.0%	0.0%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.000M	$1.000M	$1.000M
YoY Change	0.0%	0.0%	0.0%
LONG-TERM LIABILITIES
Long-Term Debt	$991.0M	$982.0M	$972.0M
YoY Change	862.14%	1.45%	843.69%
Other Long-Term Liabilities	$88.00M	$60.00M	$83.00M
YoY Change	25.71%	-20.0%	43.1%
Total Long-Term Liabilities	$1.079B	$1.042B	$1.055B
YoY Change	523.7%	-0.1%	555.28%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.000M	$1.000M	$1.000M
Total Long-Term Liabilities	$1.079B	$1.042B	$1.055B
Total Liabilities	$6.712B	$6.750B	$6.830B
YoY Change	-0.18%	-0.29%	-0.08%
SHAREHOLDERS EQUITY
Retained Earnings	$481.6M	$476.5M	$472.7M
YoY Change	-15.47%	-15.33%	-15.15%
Common Stock	$627.1M	$628.7M	$627.2M
YoY Change	1.04%	1.71%	2.07%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.063B	$1.077B	$1.071B
YoY Change
Total Liabilities & Shareholders Equity	$7.775B	$7.827B	$7.902B
YoY Change	-1.33%	-1.03%	-0.77%

Cashflow Statement

Concept	2014 Q4	2014 Q3	2014 Q2
OPERATING ACTIVITIES
Net Income	$17.30M	$17.30M	$12.70M
YoY Change	-15.2%	-1.7%	-4.51%
Depreciation, Depletion And Amortization	$2.900M	$2.100M	$2.100M
YoY Change	20.83%	10.53%	31.25%
Cash From Operating Activities	$15.00M	$25.50M	$23.00M
YoY Change	-44.24%	0.79%	-35.75%
INVESTING ACTIVITIES
Capital Expenditures	-$2.700M	-$2.300M	-$1.400M
YoY Change	-59.7%	-52.08%	-69.57%
Acquisitions
YoY Change
Other Investing Activities	$700.0K	-$25.30M	-$4.900M
YoY Change	-111.86%	-201.61%	-96.23%
Cash From Investing Activities	-$2.000M	-$27.60M	-$6.300M
YoY Change	-84.13%	-237.31%	-95.32%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-66.10M	-90.10M	-93.00M
YoY Change	75.33%	14.92%	143.46%
NET CHANGE
Cash From Operating Activities	15.00M	25.50M	23.00M
Cash From Investing Activities	-2.000M	-27.60M	-6.300M
Cash From Financing Activities	-66.10M	-90.10M	-93.00M
Net Change In Cash	-53.10M	-92.20M	-76.30M
YoY Change	126.92%	179.39%	-44.27%
FREE CASH FLOW
Cash From Operating Activities	$15.00M	$25.50M	$23.00M
Capital Expenditures	-$2.700M	-$2.300M	-$1.400M
Free Cash Flow	$17.70M	$27.80M	$24.40M
YoY Change	-47.32%	-7.64%	-39.6%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	46187000	USD
CY2014Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	17332000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17104000	USD
	us-gaap	Noninterest Expense NoninterestExpense	154554000	USD
	us-gaap	Noninterest Income NoninterestIncome	45900000	USD
	us-gaap	Interest Expense InterestExpense	46357000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	235857000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5926000	USD
CY2014Q3	us-gaap	Noninterest Expense NoninterestExpense	53354000	USD
CY2014Q3	us-gaap	Noninterest Income NoninterestIncome	18189000	USD
CY2014Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3466000	USD
CY2014Q3	us-gaap	Interest Expense InterestExpense	14187000	USD
CY2014Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	76076000	USD
CY2014Q3	us-gaap	Assets Assets	7826926000	USD
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	17567000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5727000	USD
CY2013Q3	us-gaap	Noninterest Income NoninterestIncome	16109000	USD
CY2013Q3	us-gaap	Interest Expense InterestExpense	15276000	USD
CY2013Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	77730000	USD
CY2013Q3	us-gaap	Assets Assets	7906934000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	44617000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15605000	USD
	us-gaap	Noninterest Expense NoninterestExpense	160323000	USD
	us-gaap	Noninterest Income NoninterestIncome	54970000	USD
	us-gaap	Interest Expense InterestExpense	42605000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	227416000	USD
CY2013Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1022078000	USD
CY2013Q4	nwbi	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	15257000	USD
CY2013Q4	nwbi	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	20568000	USD
CY2013Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1016767000	USD
CY2014Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	930913000	USD
CY2014Q3	nwbi	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	11323000	USD
CY2014Q3	nwbi	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	13592000	USD
CY2014Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	928644000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	121366000	USD
	nwbi	Financing Receivable Modifications Recorded Investment Additions FinancingReceivableModificationsRecordedInvestmentAdditions	8113000	USD
CY2013Q4	nwbi	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	2755000	USD
CY2013Q4	nwbi	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	60000	USD
CY2013Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	124061000	USD
CY2013Q4	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Fair Value HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	628374000	USD
CY2013Q4	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses1 HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses1	20628000	USD
CY2014Q3	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses1 HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses1	11323000	USD
CY2014Q3	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Fair Value HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	513734000	USD
CY2014Q3	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	10875000	USD
CY2014Q3	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	464745000	USD
CY2013Q3	nwbi	Financing Receivable Modification Allowance For Credit Losses FinancingReceivableModificationAllowanceForCreditLosses	280000	USD
CY2014Q3	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses1 HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses1	448000	USD
CY2014Q3	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	48989000	USD
CY2014Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	10164000	USD
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CY2014Q3	nwbi	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	3108000	USD
CY2014Q3	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	110214000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	159000	USD
CY2013Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	6	item
CY2013Q3	nwbi	Financing Receivable Modification That Subsequently Defaulted Pre Modification Recorded Investment FinancingReceivableModificationThatSubsequentlyDefaultedPreModificationRecordedInvestment	804000	USD
CY2013Q4	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	452468000	USD
CY2013Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	709000	USD
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CY2013Q4	nwbi	Held To Maturity And Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturityAndAvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	175906000	USD
CY2013Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	10342000	USD
CY2013Q3	nwbi	Increase Decrease In Financing Receivable Modifications Recorded Investment Reserve IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestmentReserve	191000	USD
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	11310000	USD
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CY2013Q3	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	43000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	186000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	157000	USD
CY2014Q3	us-gaap	Loans Receivable Net LoansReceivableNet	5885451000	USD
CY2014Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	-5181000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	9195000	USD
	nwbi	Financing Receivable Modification Allowance For Credit Losses FinancingReceivableModificationAllowanceForCreditLosses	1995000	USD
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	nwbi	Financing Receivable Modification That Subsequently Defaulted Pre Modification Recorded Investment FinancingReceivableModificationThatSubsequentlyDefaultedPreModificationRecordedInvestment	11945000	USD
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	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	5017000	USD
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CY2013Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	72590000	USD
CY2013Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2228000	USD
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CY2014Q3	us-gaap	Allowance For Credit Losses Change In Method Of Calculating Impairment AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment	9288000	USD
CY2014Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	390000	USD
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CY2013Q2	nwbi	Financing Receivable Modifications Number Of Contract FinancingReceivableModificationsNumberOfContract	260	item
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	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	30	item
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	84	item
CY2014Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	63793000	USD
CY2013Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	86517000	USD
CY2014Q3	nwbi	Financing Receivable Modifications Recorded Investment Net Paydowns FinancingReceivableModificationsRecordedInvestmentNetPaydowns	5411000	USD
CY2014Q3	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	10156000	USD
CY2013Q3	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	9654000	USD
CY2014Q3	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	8000	USD
CY2014Q3	nwbi	Financing Receivable Modifications Recorded Investment Additions FinancingReceivableModificationsRecordedInvestmentAdditions	5302000	USD
CY2013Q3	nwbi	Financing Receivable Modifications Recorded Investment Net Paydowns FinancingReceivableModificationsRecordedInvestmentNetPaydowns	2878000	USD
CY2013Q3	nwbi	Financing Receivable Modifications Recorded Investment Additions FinancingReceivableModificationsRecordedInvestmentAdditions	1977000	USD
CY2014Q3	nwbi	Financing Receivable Modifications Recorded Investment Non Accrual FinancingReceivableModificationsRecordedInvestmentNonAccrual	21871000	USD
CY2014Q3	nwbi	Financing Receivable Modifications Recorded Investment Accrual FinancingReceivableModificationsRecordedInvestmentAccrual	39995000	USD
CY2014Q3	nwbi	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due Percentage FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDuePercentage	1.000	pure
CY2014Q3	nwbi	Loans And Leases Receivable Net Of Deferred Income Percentage LoansAndLeasesReceivableNetOfDeferredIncomePercentage	1.000	pure
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CY2013Q4	nwbi	Loans And Leases Receivable Net Of Deferred Income Percentage LoansAndLeasesReceivableNetOfDeferredIncomePercentage	1.000	pure
CY2013Q4	nwbi	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due Percentage FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDuePercentage	1.000	pure
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	57757000	USD
CY2013Q4	nwbi	Financing Receivable Recorded Investment Less Than90 Days Past Due FinancingReceivableRecordedInvestmentLessThan90DaysPastDue	49464000	USD
CY2013Q4	nwbi	Financing Receivable Recorded Accruing Loans Reviewed For Impairment FinancingReceivableRecordedAccruingLoansReviewedForImpairment	44418000	USD
CY2013Q4	nwbi	Financing Receivable Recorded Accruing Troubled Debt Restructuring Not Reviewed For Impairment FinancingReceivableRecordedAccruingTroubledDebtRestructuringNotReviewedForImpairment	22205000	USD
CY2013Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	173844000	USD
CY2014Q3	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	45933000	USD
CY2013	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	175013000	USD
CY2013	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	5955000	USD
CY2014Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	158602000	USD
CY2014Q3	nwbi	Financing Receivable Recorded Accruing Troubled Debt Restructuring Not Reviewed For Impairment FinancingReceivableRecordedAccruingTroubledDebtRestructuringNotReviewedForImpairment	22809000	USD
CY2014Q3	nwbi	Financing Receivable Recorded Accruing Loans Reviewed For Impairment FinancingReceivableRecordedAccruingLoansReviewedForImpairment	45967000	USD
CY2014Q3	nwbi	Financing Receivable Recorded Investment Less Than90 Days Past Due FinancingReceivableRecordedInvestmentLessThan90DaysPastDue	43893000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	162370000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	4501000	USD
CY2013Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	5691218000	USD
CY2014Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	5850964000	USD
CY2013Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	115073000	USD
CY2014Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	106137000	USD
CY2014Q3	nwbi	Financing Receivable Individually Evaluated For Impairment Not Reserved FinancingReceivableIndividuallyEvaluatedForImpairmentNotReserved	37791000	USD
CY2014Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	11513000	USD
CY2014Q3	nwbi	Financing Receivable Individually Evaluated For Impairment Reserved FinancingReceivableIndividuallyEvaluatedForImpairmentReserved	68346000	USD
CY2013Q4	nwbi	Financing Receivable Individually Evaluated For Impairment Reserved FinancingReceivableIndividuallyEvaluatedForImpairmentReserved	74633000	USD
CY2014Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	61866000	USD
CY2014Q3	nwbi	Financing Receivable Modification That Subsequently Defaulted Pre Modification Recorded Investment FinancingReceivableModificationThatSubsequentlyDefaultedPreModificationRecordedInvestment	1628000	USD
CY2013Q3	nwbi	Financing Receivable Modifications Recorded Investment Non Accrual FinancingReceivableModificationsRecordedInvestmentNonAccrual	37519000	USD
CY2013Q3	nwbi	Financing Receivable Modifications Recorded Investment Accrual FinancingReceivableModificationsRecordedInvestmentAccrual	41871000	USD
CY2014Q3	nwbi	Number Of Banking Locations NumberOfBankingLocations	164	item
	dei	Entity Registrant Name EntityRegistrantName	Northwest Bancshares, Inc.
	dei	Entity Central Index Key EntityCentralIndexKey	0001471265
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2014-09-30
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2014Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	94941430	shares
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
CY2014Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P10Y
CY2014Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1300000	USD
CY2013Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1200000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4300000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3800000	USD
CY2014Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2014Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	item
CY2014Q3	nwbi	Number Of Consumer Finance Offices NumberOfConsumerFinanceOffices	50	item
CY2014Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	4	item
CY2014Q3	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	5302000	USD
CY2014Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	4444000	USD
CY2014Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	340000	USD
CY2014Q3	nwbi	Financing Receivable Modification Allowance For Credit Losses FinancingReceivableModificationAllowanceForCreditLosses	1295000	USD
CY2014Q3	nwbi	Increase Decrease In Financing Receivable Modifications Recorded Investment Reserve IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestmentReserve	20000	USD
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	8113000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	3797000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	7157000	USD
	nwbi	Financing Receivable Modification Allowance For Credit Losses FinancingReceivableModificationAllowanceForCreditLosses	1547000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	19	item
	nwbi	Financing Receivable Modification That Subsequently Defaulted Pre Modification Recorded Investment FinancingReceivableModificationThatSubsequentlyDefaultedPreModificationRecordedInvestment	13987000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	2432000	USD
	nwbi	Increase Decrease In Financing Receivable Modifications Recorded Investment Reserve IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestmentReserve	723000	USD
CY2013Q3	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1977000	USD
CY2013Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1857000	USD
CY2013Q3	nwbi	Financing Receivable Modifications Number Of Contracts Remodified FinancingReceivableModificationsNumberOfContractsRemodified	4	item
CY2013Q3	nwbi	Financing Receivable Remodifications Post Modification Recorded Investment FinancingReceivableRemodificationsPostModificationRecordedInvestment	657000	USD
	nwbi	Financing Receivable Modifications Number Of Contracts Remodified FinancingReceivableModificationsNumberOfContractsRemodified	8	item
CY2014Q3	nwbi	Financing Receivable Modifications Number Of Contracts Remodified FinancingReceivableModificationsNumberOfContractsRemodified	4	item
	nwbi	Financing Receivable Remodifications Post Modification Recorded Investment FinancingReceivableRemodificationsPostModificationRecordedInvestment	2334000	USD
	nwbi	Financing Receivable Modifications Number Of Contracts Remodified FinancingReceivableModificationsNumberOfContractsRemodified	7	item
	nwbi	Financing Receivable Remodifications Post Modification Recorded Investment FinancingReceivableRemodificationsPostModificationRecordedInvestment	4234000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	56639000	USD
CY2014Q3	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	22474000	USD
CY2014Q3	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	13975000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	131596000	USD
CY2014Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	82382000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	5674695000	USD
CY2014Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	5874719000	USD
CY2014Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	330000	USD
CY2013Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	291000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-890000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	992000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	988000	USD
CY2014Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	557000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1323000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1008000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	779000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	550000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	391000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	232000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	174642000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	174644000	USD
CY2014Q3	us-gaap	Goodwill Goodwill	176169000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1525000	USD
CY2013	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2000	USD
CY2014Q3	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	23800000	USD
CY2014Q3	nwbi	Guarantee Obligations Maximum Exposure Collateralized GuaranteeObligationsMaximumExposureCollateralized	22900000	USD
CY2014Q3	us-gaap	Other Deferred Credits Current OtherDeferredCreditsCurrent	1000000	USD
	nwbi	Guarantee Obligations Recourse Provisions Amount GuaranteeObligationsRecourseProvisionsAmount	0	USD
CY2014Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91745512	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91465986	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90530417	shares
CY2014Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	372642	shares
CY2013Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1063982	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	867124	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	679623	shares
CY2014Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92118154	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92333110	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	91210040	shares
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2014Q3	nwbi	Number Of Business Trusts Owned NumberOfBusinessTrustsOwned	2	item
CY2014Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1447000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6663000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-19587000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	404000	USD
CY2014Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5216000	USD
	us-gaap	Amount Of Ineffectiveness On Net Investment Hedges AmountOfIneffectivenessOnNetInvestmentHedges	0	USD
CY2014Q3	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	2400000	USD
CY2013Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-142000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	546000	USD
CY2013Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-19041000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-11900000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-11488000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	8178000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	2941000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	5237000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-8019000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-466000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7553000	USD
	nwbi	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Financial Instruments Total Unrealized Gains Losses Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisFinancialInstrumentsTotalUnrealizedGainsLossesPeriodIncreaseDecrease	0	USD
CY2013	nwbi	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Financial Instruments Total Unrealized Gains Losses Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisFinancialInstrumentsTotalUnrealizedGainsLossesPeriodIncreaseDecrease	0	USD
CY2014Q3	nwbi	Fair Value Assets Amount Transfers Between Level1 And Level2 FairValueAssetsAmountTransfersBetweenLevel1AndLevel2	0	USD
CY2014Q3	nwbi	Fair Value Liabilities Amount Transfers Between Level1 And Level2 FairValueLiabilitiesAmountTransfersBetweenLevel1AndLevel2	0	USD
CY2013Q4	us-gaap	Assets Fair Value Disclosure Nonrecurring AssetsFairValueDisclosureNonrecurring	80933000	USD
CY2014Q3	us-gaap	Assets Fair Value Disclosure Nonrecurring AssetsFairValueDisclosureNonrecurring	71840000	USD
CY2013Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	98122000	USD
CY2014Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	209161000	USD
CY2013Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	293149000	USD
CY2014Q3	nwbi	Federal Funds Sold And Other Short Term Investments FederalFundsSoldAndOtherShortTermInvestments	634000	USD
CY2013Q4	nwbi	Federal Funds Sold And Other Short Term Investments FederalFundsSoldAndOtherShortTermInvestments	634000	USD
CY2014Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	83994000	USD
CY2014Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	110214000	USD
CY2013Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	121366000	USD
CY2014Q3	nwbi	Cash Cash Equivalents And Marketable Securities CashCashEquivalentsAndMarketableSecurities	1334916000	USD
CY2013Q4	nwbi	Cash Cash Equivalents And Marketable Securities CashCashEquivalentsAndMarketableSecurities	1530038000	USD
CY2013Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	221000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	2482783000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	1083939000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	228348000	USD
CY2014Q3	us-gaap	Common Stock Value CommonStockValue	950000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	943000	USD
CY2014Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	627748000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer LoansAndLeasesReceivableConsumer	3795291000	USD
CY2014Q3	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	2511272000	USD
CY2014Q3	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	1071540000	USD
CY2014Q3	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	238653000	USD
CY2014Q3	us-gaap	Loans And Leases Receivable Consumer LoansAndLeasesReceivableConsumer	3821465000	USD
CY2014Q3	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	1732234000	USD
CY2013Q4	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	1608399000	USD
CY2014Q3	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	403402000	USD
CY2013Q4	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	402601000	USD
CY2014Q3	us-gaap	Loans And Leases Receivable Commercial LoansAndLeasesReceivableCommercial	2135636000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Commercial LoansAndLeasesReceivableCommercial	2011000000	USD
CY2014Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	43985000	USD
CY2013Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	43715000	USD
CY2014Q3	us-gaap	Interest Receivable InterestReceivable	19505000	USD
CY2013Q4	us-gaap	Interest Receivable InterestReceivable	19152000	USD
CY2014Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	15007000	USD
CY2013Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	18203000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	144759000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	146139000	USD
CY2014Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	143306000	USD
CY2013Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	140172000	USD
CY2014Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3364000	USD
CY2013Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2319000	USD
CY2014Q3	us-gaap	Other Assets OtherAssets	60464000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	70715000	USD
CY2013Q4	us-gaap	Assets Assets	7880040000	USD
CY2014Q3	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	884804000	USD
CY2013Q4	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	789135000	USD
CY2013Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	852809000	USD
CY2013Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1167954000	USD
CY2013Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1191584000	USD
CY2013Q4	us-gaap	Time Deposits TimeDeposits	1667397000	USD
CY2013Q4	us-gaap	Deposits Deposits	5668879000	USD
CY2014Q3	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	895280000	USD
CY2014Q3	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1180540000	USD
CY2014Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1214284000	USD
CY2014Q3	us-gaap	Time Deposits TimeDeposits	1532815000	USD
CY2014Q3	us-gaap	Deposits Deposits	5707723000	USD
CY2014Q3	us-gaap	Borrowed Funds BorrowedFunds	878448000	USD
CY2013Q4	us-gaap	Borrowed Funds BorrowedFunds	881645000	USD
CY2014Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	103094000	USD
CY2013Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	103094000	USD
CY2014Q3	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	16267000	USD
CY2013Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	26669000	USD
CY2014Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	880000	USD
CY2013Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	888000	USD
CY2014Q3	us-gaap	Other Liabilities OtherLiabilities	43793000	USD
CY2013Q4	us-gaap	Other Liabilities OtherLiabilities	43499000	USD
CY2014Q3	us-gaap	Liabilities Liabilities	6750205000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	6724674000	USD
CY2013Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2014Q3	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2013Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	619678000	USD
CY2014Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	476484000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	569728000	USD
CY2014Q3	nwbi	Unallocated Common Stock Held By Esop UnallocatedCommonStockHeldByESOP	21798000	USD
CY2013Q4	nwbi	Unallocated Common Stock Held By Esop UnallocatedCommonStockHeldByESOP	23083000	USD
CY2014Q3	us-gaap	Stockholders Equity StockholdersEquity	1076721000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	1155366000	USD
CY2014Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7826926000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7880040000	USD
CY2014Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2014Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2014Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2014Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	94994819	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	94243713	shares
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2014Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	70820000	USD
CY2013Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	71422000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	210868000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	216113000	USD
CY2014Q3	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	2504000	USD
CY2013Q3	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	3113000	USD
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	7963000	USD
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	9862000	USD
CY2014Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1004000	USD
CY2013Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1030000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3098000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2969000	USD
CY2014Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1561000	USD
CY2013Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1912000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4814000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	6069000	USD
CY2014Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	187000	USD
CY2013Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	253000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	673000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	844000	USD
CY2014Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	6305000	USD
CY2013Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	7150000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	19216000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	22368000	USD
CY2014Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	7882000	USD
CY2013Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	8126000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	23389000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	23989000	USD
CY2014Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	61889000	USD
CY2013Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	62454000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	184811000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	189500000	USD
CY2014Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	58423000	USD
CY2013Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	57462000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	165575000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	171945000	USD
CY2014Q3	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	852000	USD
CY2013Q3	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	109000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	4549000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	229000	USD
CY2014Q3	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	9665000	USD
CY2013Q3	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	9282000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	27115000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	27010000	USD
CY2014Q3	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	2976000	USD
CY2013Q3	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	2380000	USD
	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	9078000	USD
	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	6847000	USD
	us-gaap	Occupancy Costs OccupancyCosts	17939000	USD
CY2014Q3	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	1778000	USD
CY2013Q3	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	2019000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	6579000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	6504000	USD
CY2014Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-240000	USD
CY2013Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-111000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-937000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-2526000	USD
CY2014Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1083000	USD
CY2013Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1178000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3134000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3351000	USD
CY2014Q3	nwbi	Mortgage Banking Income MortgageBankingIncome	239000	USD
CY2013Q3	nwbi	Mortgage Banking Income MortgageBankingIncome	203000	USD
	nwbi	Mortgage Banking Income MortgageBankingIncome	753000	USD
	nwbi	Mortgage Banking Income MortgageBankingIncome	1395000	USD
CY2014Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1836000	USD
CY2013Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1049000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	4699000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3090000	USD
CY2014Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	28047000	USD
CY2013Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	27629000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	84562000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	83715000	USD
CY2014Q3	us-gaap	Occupancy Costs OccupancyCosts	5642000	USD
CY2013Q3	us-gaap	Occupancy Costs OccupancyCosts	5633000	USD
	us-gaap	Occupancy Costs OccupancyCosts	17530000	USD
CY2014Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3419000	USD
CY2013Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3497000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	11044000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	10631000	USD
CY2014Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6723000	USD
CY2013Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6036000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	19951000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	19279000	USD
CY2014Q3	us-gaap	Marketing Expense MarketingExpense	2211000	USD
CY2013Q3	us-gaap	Marketing Expense MarketingExpense	1032000	USD
	us-gaap	Marketing Expense MarketingExpense	6779000	USD
	us-gaap	Marketing Expense MarketingExpense	5025000	USD
CY2014Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1242000	USD
CY2013Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1377000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3877000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	4239000	USD
CY2014Q3	us-gaap	Professional Fees ProfessionalFees	1854000	USD
CY2013Q3	us-gaap	Professional Fees ProfessionalFees	1331000	USD
	us-gaap	Professional Fees ProfessionalFees	5691000	USD
	us-gaap	Professional Fees ProfessionalFees	4223000	USD
CY2014Q3	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	636000	USD
CY2013Q3	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	681000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	1734000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	1880000	USD
CY2014Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3250000	USD
CY2013Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2770000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7754000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7044000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	60222000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	63291000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1570000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	110000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	7149000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-10619000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	419000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	87000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2527000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	221000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	23000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	4622000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-10840000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	680000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	294000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	1029000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	2600000	USD
CY2014Q3	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	-138000	USD
CY2013Q3	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	229000	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	-414000	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	687000	USD
CY2014Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15885000	USD
CY2013Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	18113000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	49854000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	38634000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1002000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	73000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	4574000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-6767000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	268000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	55000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1616000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	142000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	367000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	159000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	555000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	1400000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	74000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	-123000	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	223000	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	-369000	USD
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	4681000	USD
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	813000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6975000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-6621000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6638000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-5802000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3839000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	4131000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-288000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-204000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	1844000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	3580000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	758000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	36411000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	11152000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	29193000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	7834000	USD
	nwbi	Originations Of Loans Receivable Held For Investment OriginationsOfLoansReceivableHeldForInvestment	1469902000	USD
	nwbi	Originations Of Loans Receivable Held For Investment OriginationsOfLoansReceivableHeldForInvestment	1536087000	USD
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	1296321000	USD
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	1469752000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	270000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	1023000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	52408000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4263000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4054000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	75589000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	103335000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	34996000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	233606000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	124856000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	202109000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-3118000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	8602000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	14134000	USD
	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	-456000	USD
	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	-485000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7290000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12653000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2792000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-66029000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-63555000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	38844000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-39235000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	30000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	40000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	51000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-3157000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-24900000	USD
	nwbi	Increase Decrease In Advances By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancesByBorrowersForTaxesAndInsurance	-10402000	USD
	nwbi	Increase Decrease In Advances By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancesByBorrowersForTaxesAndInsurance	-9173000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	137861000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	33914000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4459000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4940000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5561000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-107676000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-76171000	USD
	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-98116000	USD
	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-36391000	USD
	nwbi	Cash Paid For Interest On Deposits And Borrowings CashPaidForInterestOnDepositsAndBorrowings	42613000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	19343000	USD
	nwbi	Cash Paid For Interest On Deposits And Borrowings CashPaidForInterestOnDepositsAndBorrowings	46384000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	22177000	USD
	nwbi	Transfer Of Other Real Estate And Other Repossessed Personal Property TransferOfOtherRealEstateAndOtherRepossessedPersonalProperty	7158000	USD
	nwbi	Sale And Financing Of Other Real Estate Owned SaleAndFinancingOfOtherRealEstateOwned	370000	USD
	nwbi	Transfer Of Other Real Estate And Other Repossessed Personal Property TransferOfOtherRealEstateAndOtherRepossessedPersonalProperty	11667000	USD
	nwbi	Sale And Financing Of Other Real Estate Owned SaleAndFinancingOfOtherRealEstateOwned	888000	USD
	nwbi	Cash Paid For Interest On Deposits CashPaidForInterestOnDeposits	17276000	USD
	nwbi	Cash Paid For Interest On Deposits CashPaidForInterestOnDeposits	20126000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	451704000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	293789000	USD
CY2013Q2	us-gaap	Stockholders Equity StockholdersEquity	1126821000	USD
CY2013Q3	us-gaap	Stockholders Equity StockholdersEquity	1137089000	USD
CY2014Q2	us-gaap	Stockholders Equity StockholdersEquity	1070965000	USD
CY2013Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2660000	USD
CY2013Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1441000	USD
CY2013Q3	us-gaap	Dividends Cash DividendsCash	11946000	USD
CY2014Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1461000	USD
CY2014Q3	us-gaap	Dividends Cash DividendsCash	12067000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5561000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4054000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4459000	USD
	us-gaap	Dividends Cash DividendsCash	33914000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4940000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4422000	USD
	us-gaap	Dividends Cash DividendsCash	137861000	USD
CY2013Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	300000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-5140000	USD
CY2014Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-977000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	3290000	USD
CY2013Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.13
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.37
CY2014Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.13
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.49
CY2014Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	71442000	USD
CY2014Q3	nwbi	Financing Receivable Remodifications Post Modification Recorded Investment FinancingReceivableRemodificationsPostModificationRecordedInvestment	2178000	USD
CY2014Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	159000	USD

Files In Submission

Name	View Source	Status
0001104659-14-078284-index-headers.html	Edgar Link	pending
0001104659-14-078284-index.html	Edgar Link	pending
0001104659-14-078284.txt	Edgar Link	pending
0001104659-14-078284-xbrl.zip	Edgar Link	pending
a14-19681_110q.htm	Edgar Link	pending
a14-19681_1ex31d1.htm	Edgar Link	pending
a14-19681_1ex31d2.htm	Edgar Link	pending
a14-19681_1ex32d1.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
nwbi-20140930.xml	Edgar Link	completed
nwbi-20140930.xsd	Edgar Link	pending
nwbi-20140930_cal.xml	Edgar Link	unprocessable
nwbi-20140930_def.xml	Edgar Link	unprocessable
nwbi-20140930_lab.xml	Edgar Link	unprocessable
nwbi-20140930_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$NWBI
Northwest Bancshares, Inc. Stock $nwbi

2014 Q4 Form 10-Q Financial Statement

#000110465914078284 Filed on November 07, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NWBI Northwest Bancshares, Inc. Stock $nwbi

2014 Q4 Form 10-Q Financial Statement

#000110465914078284 Filed on November 07, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NWBI
Northwest Bancshares, Inc. Stock $nwbi