XML 96 R85.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Fair Values of Financial Instruments (Details 4) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Assets: |  |
Impaired loans | $ 17,879 | $ 20,064
Foreclosed real estate | 425 | 2,457
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets: |  |
Impaired loans | 0 | 0
Foreclosed real estate | 0 | 0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets: |  |
Impaired loans | 0 | 0
Foreclosed real estate | 0 | 0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets: |  |
Impaired loans | 17,879 | 20,064
Foreclosed real estate | $ 425 | $ 2,457

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value of foreclosed real estate. + References No definition available. + Details
Name: | nwin_ForeclosedRealEstateFairValueDisclosure
Namespace Prefix: | nwin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value of impaired loans receivables. + References No definition available. + Details
Name: | nwin_ImpairedLoansReceivableFairValueDisclosure
Namespace Prefix: | nwin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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