|
Related Party Transactions (Details Textual) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Related Party Transaction [Line Items] | ||
| Loans and Leases Receivable, Related Parties | $ 4,098us-gaap_LoansAndLeasesReceivableRelatedParties | $ 4,900us-gaap_LoansAndLeasesReceivableRelatedParties |
| Deposits, Total | 633,946us-gaap_Deposits | 572,893us-gaap_Deposits |
| Directors and Executive Officers [Member] | ||
| Related Party Transaction [Line Items] | ||
| Deposits, Total |
2,200us-gaap_Deposits / us-gaap_TitleOfIndividualAxis = nwin_DirectorsAndExecutiveOfficersMember |
3,900us-gaap_Deposits / us-gaap_TitleOfIndividualAxis = nwin_DirectorsAndExecutiveOfficersMember |
| Directors and Executive Officers [Member] | Minimum [Member] | ||
| Related Party Transaction [Line Items] | ||
| Loans and Leases Receivable, Related Parties |
$ 120us-gaap_LoansAndLeasesReceivableRelatedParties / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_TitleOfIndividualAxis = nwin_DirectorsAndExecutiveOfficersMember |
| X | ||||||||||
|
- Definition
The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|