XML 30 R54.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Loans Receivable and Allowance for Loan Losses (Troubled Debt Restructurings) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 loan | Dec. 31, 2013 | Dec. 31, 2012
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items] |  |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 8,800,000 us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 | $ 9,200,000 us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 |
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down | 293,000 us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown | 53,000 us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown |
Gains (Losses) on Sales of Other Real Estate | (920,000)us-gaap_GainsLossesOnSalesOfOtherRealEstate | (347,000)us-gaap_GainsLossesOnSalesOfOtherRealEstate | 5,000 us-gaap_GainsLossesOnSalesOfOtherRealEstate
Mortgage Loans on Real Estate, Foreclosures |  | 4,700,000 us-gaap_MortgageLoansOnRealEstateForeclosures |
Mortgage Loans on Real Estate, Number of Foreclosures | 2 nwfl_MortgageLoansOnRealEstateNumberOfForeclosures |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 1,546,000 us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs | 2,225,000 us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs | 2,437,000 us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Recognized loss on loan identified as troubled debt restructuring in prior period | 73,000 nwfl_RecognizedLossOnLoanIdentifiedAsTroubledDebtRestructuringInPriorPeriod |  |
Commercial Real Estate Loans [Member] |  |  |
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 1 us-gaap_FinancingReceivableModificationsNumberOfContracts2 / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember | 4 us-gaap_FinancingReceivableModificationsNumberOfContracts2 / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 4,914,000 us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2 / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 4,914,000 us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember | 5,100,000 us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember |
Gains (Losses) on Sales of Other Real Estate | 680,000 us-gaap_GainsLossesOnSalesOfOtherRealEstate / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember |  |
Troubled Debt Restructured Loans [Member] |  |  |
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items] |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | $ 573,000 us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = nwfl_TroubledDebtRestructuredLoansMember |  |

X
- Definition The number of mortgage loans on real estate which were foreclosed on during the reporting period. + References No definition available. + Details
Name: | nwfl_MortgageLoansOnRealEstateNumberOfForeclosures
Namespace Prefix: | nwfl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of loss recognized for loans identified as troubled debt restructuring in prior periods. + References No definition available. + Details
Name: | nwfl_RecognizedLossOnLoanIdentifiedAsTroubledDebtRestructuringInPriorPeriod
Namespace Prefix: | nwfl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 14 -Subparagraph d -Article 9 + Details
Name: | us-gaap_GainsLossesOnSalesOfOtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of mortgage loans on real estate which were foreclosed on during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 29 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule IV -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.6) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
Name: | us-gaap_MortgageLoansOnRealEstateForeclosures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_TroubledDebtRestructuringDebtorSubsequentPeriodsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableTroubledDebtRestructuringAxis=nwfl_TroubledDebtRestructuredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableTroubledDebtRestructuringAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |