XML 45 R34.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Loans Receivable and Allowance for Credit Losses - Analysis of past-due loans (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | $ 368,813 | $ 367,050
Loans 90 Days or More Past Due and Still Accruing | 939 | 950
Nonaccrual Loans | 118 | 153
30-59 Days Past Due |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income |  | 2,688
60-89 Days Past Due |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 1,768 | 1,528
Current Loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 365,988 | 361,731
One-to-Four Family Mortgages |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 334,244 | 337,056
Loans 90 Days or More Past Due and Still Accruing | 939 | 950
Nonaccrual Loans | 118 | 153
One-to-Four Family Mortgages | 30-59 Days Past Due |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income |  | 2,655
One-to-Four Family Mortgages | 60-89 Days Past Due |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 1,630 | 1,524
One-to-Four Family Mortgages | Current Loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 331,557 | 331,774
Home Equity Loans / Lines of Credit |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 8,203 | 8,550
Home Equity Loans / Lines of Credit | 60-89 Days Past Due |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income |  | 4
Home Equity Loans / Lines of Credit | Current Loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 8,203 | 8,546
Construction Loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 10,268 | 8,128
Construction Loans | 60-89 Days Past Due |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 138 |
Construction Loans | Current Loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 10,130 | 8,128
Consumer Loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 1,053 | 913
Consumer Loans | 30-59 Days Past Due |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income |  | 33
Consumer Loans | Current Loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 1,053 | 880
Commercial loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | 15,045 | 12,403
Commercial loans | Current Loans |  |
Analysis of past-due loans |  |
Loans Receivable, Net of Unearned Income | $ 15,045 | $ 12,403

X
- Definition Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterest90DaysOrMorePastDueStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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_FinancialAssetNotPastDueMember
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=fdsb_HomeEquityLoansOrLinesOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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