XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 5 - Loans Receivable - Impairment Analysis (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Allowance individually evaluated for impairment reserves (USD) | $ 1,330 | $ 166
Allowance collectively evaluated for impairment reserves | 9,384 | 8,833
Loans receivable | 975,940 | 906,869
Loans receivable individually evaluated for impairment | 8,798 | 3,111
Loans receivable purchased credit impaired individually evaluated for impairment | 3,517 | 4,107
Loans receivable collectively evaluated for impairment | 963,625 | 899,651
Residential Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 186 | 10
Allowance collectively evaluated for impairment reserves | 1,697 | 1,802
Loans receivable | 284,293 | 299,333
Loans receivable individually evaluated for impairment | 781 | 642
Loans receivable purchased credit impaired individually evaluated for impairment | 1,422 | 1,581
Loans receivable collectively evaluated for impairment | 282,090 | 297,110
Home Equity Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 1 | 4
Allowance collectively evaluated for impairment reserves | 211 | 219
Loans receivable | 42,183 | 49,181
Loans receivable individually evaluated for impairment | 222 | 221
Loans receivable purchased credit impaired individually evaluated for impairment | 139 | 216
Loans receivable collectively evaluated for impairment | 41,822 | 48,744
Commercial Real Estate Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 683 | 0
Allowance collectively evaluated for impairment reserves | 3,704 | 3,773
Loans receivable | 285,701 | 283,108
Loans receivable individually evaluated for impairment | 6,242 | 1,078
Loans receivable purchased credit impaired individually evaluated for impairment | 152 | 487
Loans receivable collectively evaluated for impairment | 279,307 | 281,543
Construction and Land Development Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 0 | 0
Allowance collectively evaluated for impairment reserves | 1,172 | 1,098
Loans receivable | 89,176 | 87,710
Loans receivable individually evaluated for impairment | 0 | 0
Loans receivable purchased credit impaired individually evaluated for impairment | 0 | 0
Loans receivable collectively evaluated for impairment | 89,176 | 87,710
Multifamily Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 0 | 0
Allowance collectively evaluated for impairment reserves | 550 | 529
Loans receivable | 50,701 | 51,286
Loans receivable individually evaluated for impairment | 102 | 129
Loans receivable purchased credit impaired individually evaluated for impairment | 646 | 673
Loans receivable collectively evaluated for impairment | 49,953 | 50,484
Farmland Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 0 | 0
Allowance collectively evaluated for impairment reserves | 0 | 0
Loans receivable | 218 | 227
Loans receivable individually evaluated for impairment | 0 | 0
Loans receivable purchased credit impaired individually evaluated for impairment | 0 | 0
Loans receivable collectively evaluated for impairment | 218 | 227
Commercial Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 460 | 152
Allowance collectively evaluated for impairment reserves | 2,028 | 1,352
Loans receivable | 182,182 | 103,088
Loans receivable individually evaluated for impairment | 1,451 | 1,041
Loans receivable purchased credit impaired individually evaluated for impairment | 1,158 | 1,150
Loans receivable collectively evaluated for impairment | 179,573 | 100,897
Consumer Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 0 | 0
Allowance collectively evaluated for impairment reserves | 22 | 43
Loans receivable | 467 | 627
Loans receivable individually evaluated for impairment | 0 | 0
Loans receivable purchased credit impaired individually evaluated for impairment | 0 | 0
Loans receivable collectively evaluated for impairment | 467 | 627
Manufactured Homes Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 0 | 0
Allowance collectively evaluated for impairment reserves | 0 | 0
Loans receivable | 27,814 | 16,505
Loans receivable individually evaluated for impairment | 0 | 0
Loans receivable purchased credit impaired individually evaluated for impairment | 0 | 0
Loans receivable collectively evaluated for impairment | 27,814 | 16,505
Government Portfolio Segment [Member] |  |
Allowance individually evaluated for impairment reserves (USD) | 0 | 0
Allowance collectively evaluated for impairment reserves | 0 | 17
Loans receivable | 13,205 | 15,804
Loans receivable individually evaluated for impairment | 0 | 0
Loans receivable purchased credit impaired individually evaluated for impairment | 0 | 0
Loans receivable collectively evaluated for impairment | $ 13,205 | $ 15,804

X
- Definition Amount of purchased credit impaired for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References No definition available. + Details
Name: | nwin_FinancingReceivablePurchasedCreditImpairedIndividuallyEvaluatedForImpairment
Namespace Prefix: | nwin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
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_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: |