XML 50 R93.htm IDEA: XBRL DOCUMENT
v3.20.1

Note 16 - Commitments and Contingencies - Outstanding Commitments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Loans and leases receivable, commitments, fixed rate | $ 89,212 | $ 85,097
Loans and leases receivable, commitments, variable rate | 109,105 | 106,576
Loans and leases receivable, commitments | 198,317 | 191,673
Residential Real Estate [Member] |  |
Loans and leases receivable, commitments, fixed rate | 165 | 106
Loans and leases receivable, commitments, variable rate | 10,377 | 10,812
Loans and leases receivable, commitments | 10,542 | 10,918
Home Equity Loan [Member] |  |
Loans and leases receivable, commitments, fixed rate | 40,429 | 35,571
Loans and leases receivable, commitments, variable rate | 8,841 | 5,960
Loans and leases receivable, commitments | 49,270 | 41,531
Commercial Real Estate [Member] |  |
Loans and leases receivable, commitments, fixed rate | 5,890 | 6,397
Loans and leases receivable, commitments, variable rate | 11,537 | 9,258
Loans and leases receivable, commitments | 17,427 | 15,655
Construction and Land Development [Member] |  |
Loans and leases receivable, commitments, fixed rate | 15,797 | 18,355
Loans and leases receivable, commitments, variable rate | 25,165 | 35,222
Loans and leases receivable, commitments | 40,962 | 53,577
Multifamily [Member] |  |
Loans and leases receivable, commitments, fixed rate | 4,093 | 4,151
Loans and leases receivable, commitments, variable rate | 306 | 389
Loans and leases receivable, commitments | 4,399 | 4,540
Consumer [Member] |  |
Loans and leases receivable, commitments, fixed rate | 21,677 | 18,862
Loans and leases receivable, commitments, variable rate |  |
Loans and leases receivable, commitments | 21,677 | 18,862
Commercial Business [Member] |  |
Loans and leases receivable, commitments, fixed rate | 1,161 | 1,655
Loans and leases receivable, commitments, variable rate | 52,879 | 44,935
Loans and leases receivable, commitments | 54,040 | 46,590
Government [Member] |  |
Loans and leases receivable, commitments, fixed rate |  |
Loans and leases receivable, commitments, variable rate |  |
Loans and leases receivable, commitments |  |

X
- Definition The amount of outstanding commitments to originate loans. + References No definition available. + Details
Name: | nwin_LoansAndLeasesReceivableCommitments
Namespace Prefix: | nwin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at stated interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=108315417&loc=d3e61044-112788 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108315417&loc=d3e61082-112788 + Details
Name: | us-gaap_LoansAndLeasesReceivableCommitmentsFixedRates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at interest rates that increase or decrease depending on certain facts or circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108315417&loc=d3e61082-112788 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=108315417&loc=d3e61044-112788 + Details
Name: | us-gaap_LoansAndLeasesReceivableCommitmentsVariableRates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nwin_ConstructionAndLandDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=srt_MultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nwin_ConsumerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nwin_CommercialBusinessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_GovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |