XML 81 R71.htm IDEA: XBRL DOCUMENT
v3.25.3

Borrowings - Borrowed Funds (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 55,000 |
Total | 55,000 | $ 65,000
FHLB Fixed rate advance with outstanding rate of 4.85%, maturing May 16, 2025 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 0 | 10,000
Interest rate | 4.85% |
FHLB Fixed rate advance with outstanding rate of 4.77%, maturing May 19, 2025 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 0 | 10,000
Interest rate | 4.77% |
FHLB Fixed rate advance with outstanding rate of 3.63%, maturing March 7, 2028 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 10,000 | 0
Interest rate | 3.63% |
FHLB Fixed rate advance with outstanding rate of 3.46%, maturing June 26, 2028 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 10,000 | 0
Interest rate | 3.46% |
FHLB Fixed rate advance with outstanding rate of 3.38%, maturing August 7, 2028 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 0 | 10,000
Interest rate | 3.38% |
FHLB Fixed rate advance with outstanding rate of 3.84%, maturing February 28, 2029 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 15,000 | 15,000
Interest rate | 3.84% |
FHLB Fixed rate advance with outstanding rate of 3.74%, maturing February 28, 2029 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 10,000 | 10,000
Interest rate | 3.74% |
FHLB Fixed rate advance with outstanding rate of 3.22%, maturing August 7, 2029 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 0 | 10,000
Interest rate | 3.22% |
FHLB Fixed rate advance with outstanding rate of 2.95%, maturing April 29, 2030 |  |
Line of Credit Facility [Line Items] |  |
Fixed rate advances | $ 10,000 | $ 0
Interest rate | 2.95% |

X
- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478878/942-470-45-1 + Details
Name: | us-gaap_AdvancesFromFederalHomeLoanBanks
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank). + References No definition available. + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of Federal Home Loan Bank (FHLB) advances which have fixed interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478878/942-470-45-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-1 + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf4.85Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf4.77Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf3.63Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf3.46Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf3.38Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf3.84Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf3.74Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf3.22Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=fnwd_FederalHomeLoanBankAdvancesOf2.95Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |