XML 90 R15.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Deposits | 12 Months Ended
--- | ---
Dec. 31, 2012
Deposits [Abstract] |
Deposits [Text Block] | Note 7 – Deposits The aggregate amount of certificates of deposit with a balance of $250,000 or more was approximately $20,919,000 at December 31, 2012 and $21,108,000 at December 31, 2011. At December 31, 2012, scheduled maturities of certificates of deposit were as follows:
|  | (Dollars in thousands) |
2013 |  | $ | 132,028 |
2014 |  |  | 35,340 |
2015 |  |  | 4,216 |
2016 |  |  | 77 |
Thereafter |  |  | - |
Total |  | $ | 171,661 |

X
- Definition The entire disclosure about deposits. + References No definition available. + Details
Name: | nwin_DepositsTextBlock
Namespace Prefix: | nwin_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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