Annual report pursuant to Section 13 and 15(d)

Parent Company Only Statements (Details 2)

v2.4.1.9
Parent Company Only Statements (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Cash flows from operating activities:    
Net income $ 7,394us-gaap_NetIncomeLoss $ 7,118us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities    
Stock based compensation expense 61us-gaap_ShareBasedCompensation 40us-gaap_ShareBasedCompensation
Change in other assets 281us-gaap_IncreaseDecreaseInOtherOperatingAssets 760us-gaap_IncreaseDecreaseInOtherOperatingAssets
Total adjustments 2,184us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities 3,940us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
Cash flows from financing activities:    
Dividends paid (2,673)us-gaap_PaymentsOfDividendsCommonStock (2,328)us-gaap_PaymentsOfDividendsCommonStock
Common stock repurchased (31)us-gaap_PaymentsForRepurchaseOfEquity (173)us-gaap_PaymentsForRepurchaseOfEquity
Proceeds from sale of treasury stock 0us-gaap_ProceedsFromSaleOfTreasuryStock 30us-gaap_ProceedsFromSaleOfTreasuryStock
Net change in cash 2,175us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (13,963)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period 19,788us-gaap_CashAndCashEquivalentsAtCarryingValue 33,751us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period 21,963us-gaap_CashAndCashEquivalentsAtCarryingValue 19,788us-gaap_CashAndCashEquivalentsAtCarryingValue
Parent Company [Member]    
Cash flows from operating activities:    
Net income 7,394us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
7,118us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Adjustments to reconcile net income to net cash provided by operating activities    
Equity in undistributed net income of Peoples Bank (4,740)nwin_EquityInUndistributedNetIncome
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(4,470)nwin_EquityInUndistributedNetIncome
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Stock based compensation expense 61us-gaap_ShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
40us-gaap_ShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Change in other assets 198us-gaap_IncreaseDecreaseInOtherOperatingAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(279)us-gaap_IncreaseDecreaseInOtherOperatingAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Change in other liabilities (208)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
203us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Total adjustments (4,689)us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(4,506)us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net cash - operating activities 2,705us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
2,612us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash flows from investing activities 0us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash flows from financing activities:    
Dividends paid (2,673)us-gaap_PaymentsOfDividendsCommonStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(2,328)us-gaap_PaymentsOfDividendsCommonStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Common stock repurchased (31)us-gaap_PaymentsForRepurchaseOfEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(173)us-gaap_PaymentsForRepurchaseOfEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Proceeds from sale of treasury stock 0us-gaap_ProceedsFromSaleOfTreasuryStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
30us-gaap_ProceedsFromSaleOfTreasuryStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net cash - financing activities (2,704)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(2,471)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net change in cash 1us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
141us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash and cash equivalents at beginning of period 142us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
1us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash and cash equivalents at end of period $ 143us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 142us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember