XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.24.3

Note 3 - Loans Receivable - Past Due Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Loan receivable, gross | $ 1,734,807 | $ 1,660,028
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 3,781 | 3,846
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 9,637 | 9,884
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 19,324 | 1,801
Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 32,742 | 15,531
Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 1,702,065 | 1,644,497
Real Estate Portfolio Segment [Member] |  |
Loan receivable, gross | 1,221,322 | 1,229,200
Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 816
Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 8,532 | 8,526
Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 17,825 | 1,010
Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 26,357 | 10,352
Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 1,194,965 | 1,218,848
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] |  |
Loan receivable, gross | 395,792 | 378,432
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 802
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 360 | 0
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 1,003 | 1,010
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 1,363 | 1,812
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 394,429 | 376,620
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] |  |
Loan receivable, gross | 353,813 | 333,094
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 0 | 0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 353,813 | 333,094
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] |  |
Loan receivable, gross | 376,008 | 387,983
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 0
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 8,526
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 5,624 | 0
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 5,624 | 8,526
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 370,384 | 379,457
Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |
Loan receivable, gross | 95,709 | 129,691
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 14
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 8,172 | 0
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 11,198 | 0
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 19,370 | 14
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 76,339 | 129,677
Consumer Portfolio Segment [Member] |  |
Loan receivable, gross | 358,158 | 318,533
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 2,431 | 1,913
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 459 | 601
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 894 | 791
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 3,784 | 3,305
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 354,374 | 315,228
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] |  |
Loan receivable, gross | 76,960 | 69,403
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 53 | 59
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 29 | 0
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 0 | 0
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 82 | 59
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 76,878 | 69,344
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] |  |
Loan receivable, gross | 281,198 | 249,130
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 2,378 | 1,854
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 430 | 601
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 894 | 791
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 3,702 | 3,246
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | 277,496 | 245,884
Commercial Portfolio Segment [Member] |  |
Loan receivable, gross | 155,327 | 112,295
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loan receivable, gross | 1,350 | 1,117
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loan receivable, gross | 646 | 757
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loan receivable, gross | 605 | 0
Commercial Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Loan receivable, gross | 2,601 | 1,874
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Loan receivable, gross | $ 152,726 | $ 110,421

X
- Definition Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee
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_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fnwb_OnetoFourFamilyLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fnwb_MultifamilyLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fnwb_AutomobileAndOtherLoanMember
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: |