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Goodwill and Other Intangible Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Indefinite-lived Intangible Assets [Line Items] | ||
| Goodwill | $ 1,611us-gaap_Goodwill | $ 0us-gaap_Goodwill |
| Amortization of Intangible Assets | 9us-gaap_AmortizationOfIntangibleAssets | |
| Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year | 12us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear | |
| First Federal Acquisition [Member] | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Goodwill |
1,600us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = nwin_FirstFederalAcquisitionMember |
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| Core Deposits [Member] | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Finite-Lived Intangible Asset, Useful Life | 7 years 10 months 24 days | |
| Finite-Lived Intangible Assets, Amortization Method | straight line basis | |
| Core Deposits [Member] | First Federal Acquisition [Member] | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Finite-Lived Core Deposits, Gross |
$ 93us-gaap_FiniteLivedCoreDepositsGross / us-gaap_BusinessAcquisitionAxis = nwin_FirstFederalAcquisitionMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CoreDepositsMember |
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- Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Definition
The amortization method of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. The straight-line method is the preferred amortization method, unless another method better reflects the pattern in which the asset is consumed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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