$NWBI
Northwest Bancshares, Inc. Stock $nwbi

$nwbi Overview Financials Valuation SEC Filings Company Website

2014 Q2 Form 10-Q Financial Statement

#000110465914058591 Filed on August 08, 2014

Income Statement

Concept	2014 Q2	2014 Q1	2013 Q2
Revenue	$76.99M	$75.33M	$78.72M
YoY Change	-2.21%	-5.22%	-7.18%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$6.799M	$5.394M	$5.959M
YoY Change	14.1%	4.37%	-16.88%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.100M	$2.800M	$1.600M
YoY Change	31.25%	-9.68%	33.33%
% of Gross Profit
Operating Expenses	$6.799M	$5.394M	$5.959M
YoY Change	14.1%	4.37%	-16.88%
Operating Profit
YoY Change
Interest Expense	$14.21M	$14.20M	$15.44M
YoY Change	-7.92%	-9.21%	-19.17%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$17.11M	$19.86M	$18.46M
YoY Change	-7.29%	-7.83%	-22.68%
Income Tax	$4.435M	$5.244M	$5.020M
% Of Pretax Income	25.92%	26.41%	27.2%
Net Earnings	$12.70M	$14.60M	$13.30M
YoY Change	-4.51%	-4.58%	-18.4%
Net Earnings / Revenue	16.5%	19.38%	16.89%
Basic Earnings Per Share	$0.14	$0.16	$0.15
Diluted Earnings Per Share	$0.14	$0.16	$0.15
COMMON SHARES
Basic Shares Outstanding	91.49M shares	91.15M shares	90.42M shares
Diluted Shares Outstanding	92.53M shares	92.35M shares	90.92M shares

Balance Sheet

Concept	2014 Q2	2014 Q1	2013 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$386.0M	$462.3M	$448.2M
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	$145.3M	$146.9M	$140.6M
YoY Change	3.39%	5.71%	4.13%
Goodwill	$176.0M	$176.0M	$174.5M
YoY Change	0.87%	0.87%	1.5%
Intangibles	$3.694M	$4.025M	$2.832M
YoY Change	30.44%	26.53%	82.83%
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	$7.902B	$7.975B	$7.964B
YoY Change	-0.77%	-0.24%	-0.92%
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			$857.0M
YoY Change			0.47%
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	$972.0M	$969.0M	$103.0M
YoY Change	843.69%	840.78%	0.0%
Other Long-Term Liabilities	$83.00M	$73.00M	$58.00M
YoY Change	43.1%	32.73%	-20.55%
Total Long-Term Liabilities	$1.055B	$1.042B	$161.0M
YoY Change	555.28%	559.49%	-8.52%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.000M	$1.000M	$1.000M
Total Long-Term Liabilities	$1.055B	$1.042B	$161.0M
Total Liabilities	$6.830B	$6.817B	$6.836B
YoY Change	-0.08%	-0.43%	-0.48%
SHAREHOLDERS EQUITY
Retained Earnings	$472.7M	$564.6M	$557.1M
YoY Change	-15.15%	-0.18%	0.87%
Common Stock	$627.2M	$623.7M	$614.5M
YoY Change	2.07%	1.23%	-7.34%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.071B	$1.158B	$1.127B
YoY Change
Total Liabilities & Shareholders Equity	$7.902B	$7.975B	$7.964B
YoY Change	-0.77%	-0.24%	-0.92%

Cashflow Statement

Concept	2014 Q2	2014 Q1	2013 Q2
OPERATING ACTIVITIES
Net Income	$12.70M	$14.60M	$13.30M
YoY Change	-4.51%	-4.58%	-18.4%
Depreciation, Depletion And Amortization	$2.100M	$2.800M	$1.600M
YoY Change	31.25%	-9.68%	33.33%
Cash From Operating Activities	$23.00M	$27.10M	$35.80M
YoY Change	-35.75%	-35.78%	2.29%
INVESTING ACTIVITIES
Capital Expenditures	-$1.400M	$3.607M	-$4.600M
YoY Change	-69.57%	9.84%	6.98%
Acquisitions		$2.792M
YoY Change
Other Investing Activities	-$4.900M	-$28.50M	-$129.9M
YoY Change	-96.23%	-152.68%	821.28%
Cash From Investing Activities	-$6.300M	-$32.10M	-$134.5M
YoY Change	-95.32%	-163.19%	639.01%
FINANCING ACTIVITIES
Cash Dividend Paid		$21.22M
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$15.00K
YoY Change		-11.76%
Cash From Financing Activities	-93.00M	75.40M	-38.20M
YoY Change	143.46%	86.63%	-29.0%
NET CHANGE
Cash From Operating Activities	23.00M	27.10M	35.80M
Cash From Investing Activities	-6.300M	-32.10M	-134.5M
Cash From Financing Activities	-93.00M	75.40M	-38.20M
Net Change In Cash	-76.30M	70.40M	-136.9M
YoY Change	-44.27%	-47.23%	270.0%
FREE CASH FLOW
Cash From Operating Activities	$23.00M	$27.10M	$35.80M
Capital Expenditures	-$1.400M	$3.607M	-$4.600M
Free Cash Flow	$24.40M	$23.49M	$40.40M
YoY Change	-39.6%	-39.63%	2.8%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
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CY2013Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1500000	USD
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CY2014Q2	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
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CY2014Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4465000	USD
CY2014Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	12715000	USD
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CY2013Q2	us-gaap	Interest Expense InterestExpense	15436000	USD
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	us-gaap	Noninterest Expense NoninterestExpense	106969000	USD
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	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	2014-06-30
	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
CY2014Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	94964483	shares
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
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CY2012Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	89444000	USD
CY2013Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	86517000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	163659000	USD
CY2013	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	175013000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2907000	USD
CY2013	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	5955000	USD
CY2014Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	5776321000	USD
CY2013Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	5691218000	USD
CY2014Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	109413000	USD
CY2013Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	115073000	USD
CY2014Q2	nwbi	Financing Receivable Individually Evaluated For Impairment Reserved FinancingReceivableIndividuallyEvaluatedForImpairmentReserved	68418000	USD
CY2013Q4	nwbi	Financing Receivable Individually Evaluated For Impairment Reserved FinancingReceivableIndividuallyEvaluatedForImpairmentReserved	74633000	USD
CY2014Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	12580000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	11903000	USD
CY2014Q2	nwbi	Financing Receivable Individually Evaluated For Impairment Not Reserved FinancingReceivableIndividuallyEvaluatedForImpairmentNotReserved	40995000	USD
CY2013Q4	nwbi	Financing Receivable Individually Evaluated For Impairment Not Reserved FinancingReceivableIndividuallyEvaluatedForImpairmentNotReserved	40440000	USD
CY2014Q1	nwbi	Financing Receivable Modifications Number Of Contract FinancingReceivableModificationsNumberOfContract	276	item
CY2013Q1	nwbi	Financing Receivable Modifications Number Of Contract FinancingReceivableModificationsNumberOfContract	269	item
CY2013	nwbi	Financing Receivable Modifications Number Of Contract FinancingReceivableModificationsNumberOfContract	276	item
CY2012	nwbi	Financing Receivable Modifications Number Of Contract FinancingReceivableModificationsNumberOfContract	225	item
CY2014Q2	nwbi	Financing Receivable Modifications Number Of Contract FinancingReceivableModificationsNumberOfContract	266	item
CY2013Q2	nwbi	Financing Receivable Modifications Number Of Contract FinancingReceivableModificationsNumberOfContract	260	item
CY2014Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	6	item
CY2013Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	6	item
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	17	item
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	65	item
CY2013Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	91365000	USD
CY2014Q2	nwbi	Financing Receivable Modifications Recorded Investment Additions FinancingReceivableModificationsRecordedInvestmentAdditions	1343000	USD
CY2013Q2	nwbi	Financing Receivable Modifications Recorded Investment Additions FinancingReceivableModificationsRecordedInvestmentAdditions	3722000	USD
	nwbi	Financing Receivable Modifications Recorded Investment Additions FinancingReceivableModificationsRecordedInvestmentAdditions	2811000	USD
	nwbi	Financing Receivable Modifications Recorded Investment Additions FinancingReceivableModificationsRecordedInvestmentAdditions	9333000	USD
CY2014Q2	nwbi	Financing Receivable Modifications Recorded Investment Net Paydowns FinancingReceivableModificationsRecordedInvestmentNetPaydowns	2526000	USD
CY2013Q2	nwbi	Financing Receivable Modifications Recorded Investment Net Paydowns FinancingReceivableModificationsRecordedInvestmentNetPaydowns	5569000	USD
	nwbi	Financing Receivable Modifications Recorded Investment Net Paydowns FinancingReceivableModificationsRecordedInvestmentNetPaydowns	7020000	USD
	nwbi	Financing Receivable Modifications Recorded Investment Net Paydowns FinancingReceivableModificationsRecordedInvestmentNetPaydowns	7906000	USD
CY2013Q2	nwbi	Financing Receivable Modifications Recorded Investment Accrual FinancingReceivableModificationsRecordedInvestmentAccrual	42043000	USD
CY2014Q2	nwbi	Financing Receivable Modifications Recorded Investment Accrual FinancingReceivableModificationsRecordedInvestmentAccrual	39844000	USD
CY2013Q2	nwbi	Financing Receivable Modifications Recorded Investment Non Accrual FinancingReceivableModificationsRecordedInvestmentNonAccrual	44474000	USD
CY2014Q2	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	9	item
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	15	item
CY2013Q2	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	5	item
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	13	item
CY2014Q2	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1343000	USD
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	2811000	USD
CY2013Q2	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	3722000	USD
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	9333000	USD
CY2014Q2	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1252000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	2734000	USD
CY2013Q2	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	3657000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	8108000	USD
CY2014Q2	nwbi	Financing Receivable Modification Allowance For Credit Losses FinancingReceivableModificationAllowanceForCreditLosses	91000	USD
	nwbi	Financing Receivable Modification Allowance For Credit Losses FinancingReceivableModificationAllowanceForCreditLosses	253000	USD
CY2013Q2	nwbi	Financing Receivable Modification Allowance For Credit Losses FinancingReceivableModificationAllowanceForCreditLosses	52000	USD
	nwbi	Financing Receivable Modification Allowance For Credit Losses FinancingReceivableModificationAllowanceForCreditLosses	685000	USD
CY2014Q2	nwbi	Financing Receivable Modification That Subsequently Defaulted Pre Modification Recorded Investment FinancingReceivableModificationThatSubsequentlyDefaultedPreModificationRecordedInvestment	11268000	USD
	nwbi	Financing Receivable Modification That Subsequently Defaulted Pre Modification Recorded Investment FinancingReceivableModificationThatSubsequentlyDefaultedPreModificationRecordedInvestment	12359000	USD
CY2013Q2	nwbi	Financing Receivable Modification That Subsequently Defaulted Pre Modification Recorded Investment FinancingReceivableModificationThatSubsequentlyDefaultedPreModificationRecordedInvestment	2811000	USD
	nwbi	Financing Receivable Modification That Subsequently Defaulted Pre Modification Recorded Investment FinancingReceivableModificationThatSubsequentlyDefaultedPreModificationRecordedInvestment	7495000	USD
CY2014Q2	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	2324000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	3362000	USD
CY2013Q2	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	2962000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	5591000	USD
CY2014Q2	nwbi	Increase Decrease In Financing Receivable Modifications Recorded Investment Reserve IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestmentReserve	647000	USD
	nwbi	Increase Decrease In Financing Receivable Modifications Recorded Investment Reserve IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestmentReserve	923000	USD
CY2013Q2	nwbi	Increase Decrease In Financing Receivable Modifications Recorded Investment Reserve IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestmentReserve	254000	USD
	nwbi	Increase Decrease In Financing Receivable Modifications Recorded Investment Reserve IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestmentReserve	587000	USD
CY2014Q2	nwbi	Financing Receivable Modifications Number Of Contracts Remodified FinancingReceivableModificationsNumberOfContractsRemodified	0	item
CY2013Q2	nwbi	Financing Receivable Modifications Number Of Contracts Remodified FinancingReceivableModificationsNumberOfContractsRemodified	3	item
	nwbi	Financing Receivable Modifications Number Of Contracts Remodified FinancingReceivableModificationsNumberOfContractsRemodified	4	item
	nwbi	Financing Receivable Modifications Number Of Contracts Remodified FinancingReceivableModificationsNumberOfContractsRemodified	3	item
CY2013Q2	nwbi	Financing Receivable Remodifications Post Modification Recorded Investment FinancingReceivableRemodificationsPostModificationRecordedInvestment	3626000	USD
	nwbi	Financing Receivable Remodifications Post Modification Recorded Investment FinancingReceivableRemodificationsPostModificationRecordedInvestment	158000	USD
	nwbi	Financing Receivable Remodifications Post Modification Recorded Investment FinancingReceivableRemodificationsPostModificationRecordedInvestment	3626000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	56639000	USD
CY2014Q2	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	21783000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	17200000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	131596000	USD
CY2014Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	84721000	USD
CY2013Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	5674695000	USD
CY2014Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	5801013000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-10863000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	697000	USD
CY2014Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1323000	USD
CY2014Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1008000	USD
CY2014Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	779000	USD
CY2014Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	550000	USD
CY2014Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	391000	USD
CY2014Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	331000	USD
CY2013Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	349000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	662000	USD
CY2014Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	232000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	174461000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	174463000	USD
CY2014Q2	us-gaap	Goodwill Goodwill	175988000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1525000	USD
CY2013	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2000	USD
CY2014Q2	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	23600000	USD
CY2014Q2	nwbi	Guarantee Obligations Maximum Exposure Collateralized GuaranteeObligationsMaximumExposureCollateralized	22500000	USD
CY2014Q2	us-gaap	Other Deferred Credits Current OtherDeferredCreditsCurrent	962000	USD
	nwbi	Guarantee Obligations Recourse Provisions Amount GuaranteeObligationsRecourseProvisionsAmount	0	USD
CY2014Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91491654	shares
CY2014Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1039488	shares
CY2014Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92531142	shares
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2013Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90423717	shares
CY2013Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	493419	shares
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	91324169	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1118462	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92442631	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90413780	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	484258	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	90898038	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
	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
CY2014Q2	nwbi	Fair Value Assets Amount Transfers Between Level1 And Level2 FairValueAssetsAmountTransfersBetweenLevel1AndLevel2	0	USD
CY2014Q2	nwbi	Fair Value Liabilities Amount Transfers Between Level1 And Level2 FairValueLiabilitiesAmountTransfersBetweenLevel1AndLevel2	0	USD
CY2013Q4	us-gaap	Assets Fair Value Disclosure Nonrecurring AssetsFairValueDisclosureNonrecurring	80933000	USD
CY2014Q2	us-gaap	Assets Fair Value Disclosure Nonrecurring AssetsFairValueDisclosureNonrecurring	70753000	USD
CY2014Q2	nwbi	Number Of Business Trusts Owned NumberOfBusinessTrustsOwned	2	item
	us-gaap	Amount Of Ineffectiveness On Net Investment Hedges AmountOfIneffectivenessOnNetInvestmentHedges	0	USD
CY2014Q2	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	2400000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-11900000	USD
CY2014Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-8095000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-11488000	USD
CY2013Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9975000	USD
CY2014Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5216000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-19587000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	3221000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-9773000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	9068000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-8423000	USD
CY2014Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	342000	USD
CY2013Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-161000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	2384000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-324000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2879000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9612000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6684000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8099000	USD
CY2014Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	97467000	USD
CY2013Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	98122000	USD
CY2014Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	287867000	USD
CY2013Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	293149000	USD
CY2014Q2	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
CY2013Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	121366000	USD
CY2014Q2	nwbi	Cash Cash Equivalents And Marketable Securities CashCashEquivalentsAndMarketableSecurities	1477908000	USD
CY2013Q4	nwbi	Cash Cash Equivalents And Marketable Securities CashCashEquivalentsAndMarketableSecurities	1530038000	USD
CY2014Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1236307000	USD
CY2013Q4	us-gaap	Loans Receivable Held For Sale Net LoansReceivableHeldForSaleNet	221000	USD
CY2014Q2	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	2485740000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	2482783000	USD
CY2014Q2	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	1066943000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	1083939000	USD
CY2014Q2	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	231974000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	228348000	USD
CY2014Q2	us-gaap	Loans And Leases Receivable Consumer LoansAndLeasesReceivableConsumer	3784657000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Consumer LoansAndLeasesReceivableConsumer	3795291000	USD
CY2014Q2	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	1694882000	USD
CY2013Q4	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	1608399000	USD
CY2014Q2	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	406195000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4463000	USD
CY2013Q4	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	402601000	USD
CY2014Q2	us-gaap	Loans And Leases Receivable Commercial LoansAndLeasesReceivableCommercial	2101077000	USD
CY2013Q4	us-gaap	Loans And Leases Receivable Commercial LoansAndLeasesReceivableCommercial	2011000000	USD
CY2014Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	43986000	USD
CY2013Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	43715000	USD
CY2014Q2	us-gaap	Interest Receivable InterestReceivable	21756000	USD
CY2013Q4	us-gaap	Interest Receivable InterestReceivable	21821000	USD
CY2014Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	14915000	USD
CY2013Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	18203000	USD
CY2014Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	145344000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	146139000	USD
CY2014Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	142223000	USD
CY2013Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	140172000	USD
CY2014Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3694000	USD
CY2013Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2319000	USD
CY2014Q2	us-gaap	Other Assets OtherAssets	62210000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	69663000	USD
CY2013Q4	us-gaap	Assets Assets	7881476000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4459000	USD
CY2014Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1183228000	USD
CY2013Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1167954000	USD
CY2013Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1191584000	USD
CY2014Q2	us-gaap	Time Deposits TimeDeposits	1580240000	USD
CY2013Q4	us-gaap	Time Deposits TimeDeposits	1667397000	USD
CY2014Q2	us-gaap	Deposits Deposits	5773922000	USD
CY2013Q4	us-gaap	Deposits Deposits	5668879000	USD
CY2014Q2	us-gaap	Borrowed Funds BorrowedFunds	869335000	USD
CY2013Q4	us-gaap	Borrowed Funds BorrowedFunds	881645000	USD
CY2014Q2	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
CY2014Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	37677000	USD
CY2013Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	26669000	USD
CY2014Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	816000	USD
CY2013Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	888000	USD
CY2014Q2	us-gaap	Other Liabilities OtherLiabilities	45000000	USD
CY2013Q4	us-gaap	Other Liabilities OtherLiabilities	43499000	USD
CY2014Q2	us-gaap	Liabilities Liabilities	6829844000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	6724674000	USD
CY2013Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2014Q2	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2014Q2	us-gaap	Common Stock Value CommonStockValue	949000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	943000	USD
CY2014Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	626213000	USD
CY2013Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	619678000	USD
CY2014Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	472726000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	571164000	USD
CY2014Q2	nwbi	Unallocated Common Stock Held By Esop UnallocatedCommonStockHeldByESOP	22200000	USD
CY2013Q4	nwbi	Unallocated Common Stock Held By Esop UnallocatedCommonStockHeldByESOP	23083000	USD
CY2014Q2	us-gaap	Stockholders Equity StockholdersEquity	1072472000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	1156802000	USD
CY2014Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7902316000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7881476000	USD
CY2014Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2014Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
	nwbi	Cash Paid For Interest On Deposits And Borrowings CashPaidForInterestOnDepositsAndBorrowings	28490000	USD
CY2013Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1034000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2094000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4157000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1939000	USD
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2014Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	94949695	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	94243713	shares
CY2014Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	70797000	USD
CY2013Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	71987000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	140170000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	144960000	USD
CY2014Q2	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	2666000	USD
CY2013Q2	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	3308000	USD
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	5459000	USD
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	6749000	USD
CY2014Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1014000	USD
CY2014Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1598000	USD
CY2013Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2094000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	3253000	USD
CY2014Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	286000	USD
CY2013Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	340000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	486000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	591000	USD
CY2014Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	6421000	USD
CY2013Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	7404000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	12911000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	15218000	USD
CY2014Q2	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	7793000	USD
CY2013Q2	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	8032000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	15507000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	15863000	USD
CY2014Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	62147000	USD
CY2013Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	63327000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	123044000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	127315000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	12563000	USD
CY2014Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	53862000	USD
CY2013Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	57922000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	107274000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	114752000	USD
CY2014Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	349000	USD
CY2013Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	19000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	3697000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	120000	USD
CY2014Q2	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	9042000	USD
CY2013Q2	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	9037000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	17450000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	17728000	USD
CY2014Q2	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	3055000	USD
CY2013Q2	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	2263000	USD
	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	6102000	USD
	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	4467000	USD
CY2014Q2	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	2237000	USD
CY2013Q2	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	2190000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	4801000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	4485000	USD
CY2014Q2	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-562000	USD
CY2013Q2	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-2285000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-697000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-2415000	USD
CY2014Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1050000	USD
CY2013Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1088000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2051000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2173000	USD
CY2014Q2	nwbi	Mortgage Banking Income MortgageBankingIncome	265000	USD
CY2013Q2	nwbi	Mortgage Banking Income MortgageBankingIncome	236000	USD
	nwbi	Mortgage Banking Income MortgageBankingIncome	514000	USD
	nwbi	Mortgage Banking Income MortgageBankingIncome	1192000	USD
CY2014Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1688000	USD
CY2013Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	865000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2863000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2041000	USD
CY2014Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	28543000	USD
CY2013Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	28156000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	56515000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	56086000	USD
CY2014Q2	us-gaap	Occupancy Costs OccupancyCosts	5740000	USD
CY2013Q2	us-gaap	Occupancy Costs OccupancyCosts	5744000	USD
	us-gaap	Occupancy Costs OccupancyCosts	12297000	USD
	us-gaap	Occupancy Costs OccupancyCosts	11897000	USD
CY2014Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3868000	USD
CY2013Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3866000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	7625000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	7134000	USD
CY2014Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6639000	USD
CY2013Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	7390000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	13228000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	13243000	USD
CY2014Q2	us-gaap	Marketing Expense MarketingExpense	2931000	USD
CY2013Q2	us-gaap	Marketing Expense MarketingExpense	2093000	USD
	us-gaap	Marketing Expense MarketingExpense	4568000	USD
	us-gaap	Marketing Expense MarketingExpense	3993000	USD
CY2014Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1338000	USD
CY2013Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1424000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2635000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2862000	USD
CY2014Q2	us-gaap	Professional Fees ProfessionalFees	1775000	USD
CY2013Q2	us-gaap	Professional Fees ProfessionalFees	1199000	USD
	us-gaap	Professional Fees ProfessionalFees	3837000	USD
	us-gaap	Professional Fees ProfessionalFees	2892000	USD
CY2014Q2	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	459000	USD
CY2013Q2	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	600000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	1098000	USD
	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	1199000	USD
CY2014Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2182000	USD
CY2013Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1985000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4504000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4274000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	17180000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	18529000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	37086000	USD
CY2014Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15594000	USD
CY2013Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3866000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1997000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-7276000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	188000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	1241000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	20677000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	40266000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	3123000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-11399000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	8719000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-10729000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	204000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	68000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2108000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	134000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	98000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	1626000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	349000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	2306000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	2919000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-11467000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	6611000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-138000	USD
CY2013Q2	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	-276000	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	458000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	34039000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	5576000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-6841000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	130000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	44000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1348000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	87000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	53000	USD
	nwbi	Originations Of Loans Receivable Held For Investment OriginationsOfLoansReceivableHeldForInvestment	984068000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	874000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	74000	USD
CY2013Q2	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	149000	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	-246000	USD
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	3874000	USD
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	584000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	4937000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	4708000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-4591000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-11200000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3531000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-21000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-210000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-59000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2792000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	1381000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	2971000	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	35991000	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	51673000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2961000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2613000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	50065000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	77967000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	22805000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	227595000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	70071000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	143939000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	7205000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	21690000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	6048000	USD
	nwbi	Originations Of Loans Receivable Held For Investment OriginationsOfLoansReceivableHeldForInvestment	939594000	USD
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	842751000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	271000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	5704000	USD
	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	-304000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5034000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-38413000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	105043000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	30000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	27000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-12283000	USD
	nwbi	Increase Decrease In Advances By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancesByBorrowersForTaxesAndInsurance	11008000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	125793000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4463000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2901000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-17589000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	2198000	USD
	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-5937000	USD
	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-3549000	USD
	nwbi	Transfer Of Other Real Estate And Other Repossessed Personal Property TransferOfOtherRealEstateAndOtherRepossessedPersonalProperty	3707000	USD
	nwbi	Transfer Of Other Real Estate And Other Repossessed Personal Property TransferOfOtherRealEstateAndOtherRepossessedPersonalProperty	7019000	USD
	nwbi	Sale And Financing Of Other Real Estate Owned SaleAndFinancingOfOtherRealEstateOwned	330000	USD
	nwbi	Sale And Financing Of Other Real Estate Owned SaleAndFinancingOfOtherRealEstateOwned	296000	USD
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	962424000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	1406000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	8969000	USD
	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	-228000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7895000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-83714000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	18492000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	34000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-32669000	USD
	nwbi	Increase Decrease In Advances By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancesByBorrowersForTaxesAndInsurance	9935000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	21968000	USD
	nwbi	Cash Paid For Interest On Deposits And Borrowings CashPaidForInterestOnDepositsAndBorrowings	30926000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	15960000	USD
	nwbi	Cash Paid For Interest On Deposits CashPaidForInterestOnDeposits	11608000	USD
	nwbi	Cash Paid For Interest On Deposits CashPaidForInterestOnDeposits	13707000	USD
CY2013Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	448155000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	14872000	USD
CY2014Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	385968000	USD
CY2013Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	87524000	USD
CY2013Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	359997000	USD
CY2013Q2	nwbi	Federal Funds Sold And Other Short Term Investments FederalFundsSoldAndOtherShortTermInvestments	634000	USD
CY2013Q1	us-gaap	Stockholders Equity StockholdersEquity	1147580000	USD
CY2013Q2	us-gaap	Stockholders Equity StockholdersEquity	1128233000	USD
CY2014Q1	us-gaap	Stockholders Equity StockholdersEquity	1157556000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	1128469000	USD
CY2013Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1683000	USD
CY2014Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2169000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2901000	USD
CY2013Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1531000	USD
CY2014Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1722000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2961000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2613000	USD
CY2013Q2	us-gaap	Dividends Cash DividendsCash	21968000	USD
CY2014Q2	us-gaap	Dividends Cash DividendsCash	104569000	USD
	us-gaap	Dividends Cash DividendsCash	125793000	USD
	us-gaap	Dividends Cash DividendsCash	21968000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	4267000	USD
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.36
CY2013Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-6350000	USD
CY2014Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	1846000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-5441000	USD
CY2013Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.24
CY2014Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.13
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.24
CY2014Q2	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	872661000	USD
CY2013Q4	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	789135000	USD
CY2014Q2	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	901486000	USD
CY2013Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	852809000	USD
CY2014Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P10Y
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	451704000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	391905000	USD
CY2013Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4459000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4459000	USD

Files In Submission

Name	View Source	Status
0001104659-14-058591-index-headers.html	Edgar Link	pending
0001104659-14-058591-index.html	Edgar Link	pending
0001104659-14-058591.txt	Edgar Link	pending
0001104659-14-058591-xbrl.zip	Edgar Link	pending
a14-13939_110q.htm	Edgar Link	pending
a14-13939_1ex31d1.htm	Edgar Link	pending
a14-13939_1ex31d2.htm	Edgar Link	pending
a14-13939_1ex32d1.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
nwbi-20140630.xml	Edgar Link	completed
nwbi-20140630.xsd	Edgar Link	pending
nwbi-20140630_cal.xml	Edgar Link	unprocessable
nwbi-20140630_def.xml	Edgar Link	unprocessable
nwbi-20140630_lab.xml	Edgar Link	unprocessable
nwbi-20140630_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 Q2 Form 10-Q Financial Statement

#000110465914058591 Filed on August 08, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NWBI Northwest Bancshares, Inc. Stock $nwbi

2014 Q2 Form 10-Q Financial Statement

#000110465914058591 Filed on August 08, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NWBI
Northwest Bancshares, Inc. Stock $nwbi