XML 80 R61.htm IDEA: XBRL DOCUMENT
v3.21.1

Note 4 - Loans Receivable - Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Total Past Due | $ 15,304 | $ 14,650
Current | 951,274 | 892,219
Total Loans | 966,578 | 906,869
Recorded investments greater than 90 past due and still accruing | 566 | 866
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 6,680 | 6,309
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 2,214 | 2,434
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 6,410 | 5,907
Residential Portfolio Segment [Member] |  |
Total Past Due | 8,791 | 8,542
Current | 276,860 | 290,791
Total Loans | 285,651 | 299,333
Recorded investments greater than 90 past due and still accruing | 80 | 452
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 2,797 | 3,486
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 1,119 | 1,332
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 4,875 | 3,724
Home Equity Portfolio Segment [Member] |  |
Total Past Due | 1,355 | 502
Current | 37,931 | 48,679
Total Loans | 39,286 | 49,181
Recorded investments greater than 90 past due and still accruing | 29 | 19
Home Equity Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 616 | 90
Home Equity Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 323 | 24
Home Equity Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 416 | 388
Commercial Real Estate Portfolio Segment [Member] |  |
Total Past Due | 2,089 | 2,350
Current | 296,168 | 280,758
Total Loans | 298,257 | 283,108
Recorded investments greater than 90 past due and still accruing | 437 | 61
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 1,172 | 1,461
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 237 | 170
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 680 | 719
Construction and Land Development Portfolio Segment [Member] |  |
Total Past Due | 491 | 432
Current | 93,071 | 87,278
Total Loans | 93,562 | 87,710
Recorded investments greater than 90 past due and still accruing | 20 | 0
Construction and Land Development Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 471 | 143
Construction and Land Development Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 0 | 289
Construction and Land Development Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 20 | 0
Multifamily Portfolio Segment [Member] |  |
Total Past Due | 510 | 300
Current | 50,061 | 50,986
Total Loans | 50,571 | 51,286
Recorded investments greater than 90 past due and still accruing | 0 | 0
Multifamily Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 94 | 140
Multifamily Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 266 | 0
Multifamily Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 150 | 160
Farmland Portfolio Segment [Member] |  |
Total Past Due | 0 | 0
Current | 215 | 227
Total Loans | 215 | 227
Recorded investments greater than 90 past due and still accruing | 0 | 0
Farmland Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 0 | 0
Farmland Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 0 | 0
Farmland Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 0 | 0
Commercial Portfolio Segment [Member] |  |
Total Past Due | 1,210 | 2,379
Current | 155,755 | 100,709
Total Loans | 156,965 | 103,088
Recorded investments greater than 90 past due and still accruing | 0 | 288
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 845 | 926
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 96 | 583
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 269 | 870
Consumer Portfolio Segment [Member] |  |
Total Past Due | 2 | 0
Current | 1,023 | 627
Total Loans | 1,025 | 627
Recorded investments greater than 90 past due and still accruing | 0 | 0
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 2 | 0
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 0 | 0
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 0 | 0
Manufactured Homes Portfolio Segment [Member] |  |
Total Past Due | 476 | 145
Current | 30,428 | 16,360
Total Loans | 30,904 | 16,505
Recorded investments greater than 90 past due and still accruing | 0 | 46
Manufactured Homes Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 303 | 63
Manufactured Homes Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 173 | 36
Manufactured Homes Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | 0 | 46
Government Portfolio Segment [Member] |  |
Total Past Due | 380 | 0
Current | 9,762 | 15,804
Total Loans | 10,142 | 15,804
Recorded investments greater than 90 past due and still accruing | 0 | 0
Government Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total Past Due | 380 | 0
Government Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total Past Due | 0 | 0
Government Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total Past Due | $ 0 | $ 0

X
- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable not past due. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953401-111524 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nwin_HomeEquityPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nwin_ConstructionAndLandDevelopmentPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nwin_MultifamilyPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nwin_FarmlandPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nwin_ManufacturedHomesPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nwin_GovernmentPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |