XML 71 R61.htm IDEA: XBRL DOCUMENT
v3.23.2

Note 9 - Employee Benefits (Details Textual) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Sep. 30, 2022 | Jul. 01, 2021 | Jan. 31, 2021 | Mar. 31, 2019 | Mar. 20, 2019 | Dec. 31, 2017 | Mar. 29, 2017
Cash Surrender Value of Life Insurance | $ 53,900 |  | $ 53,900 |  | $ 54,000 |  |  |  |  |  |  |
Proceeds from Life Insurance Policy |  |  | 931 | $ 0 |  |  |  |  |  |  |  |
Return of Cash Surrender Value of Life Insurance |  |  | 800 |  |  |  |  |  |  |  |  |
Gain From Bank-owned Life Insurance Claim |  |  | 142 | (0) |  |  |  |  |  |  |  |
Bank Owned Life Insurance Income | 324 | $ 319 | 645 | $ 638 |  |  |  |  |  |  |  |
Supplemental Employee Retirement Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Number of Individuals |  |  |  |  |  |  |  |  |  | 1 |  | 5
Defined Benefit Plan, Benefit Obligation | 4,200 |  | 4,200 |  | 4,000 |  |  |  |  |  |  |
Supplemental Employee Retirement Plan [Member] | Landmark Bancorp Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Number of Individuals |  |  |  |  |  |  | 1 |  |  |  |  |
Officer [Member] |  |  |  |  |  |  |  |  |  |  |  |
Number of Individuals with Split Dollar Life Insurance Arrangement |  |  |  |  |  |  |  | 15 | 1 |  | 11 |
Split Dollar Life Insurance Arrangement, Death Benefit | 53,900 |  | 53,900 |  |  |  |  |  |  |  |  |
Split Dollar Life Insurance Arrangement, Death Benefit to be Paid to Insured's Beneficiary | 8,800 |  | 8,800 |  |  |  |  |  |  |  |  |
Split Dollar Life Insurance Arrangement, Death Benefit to be Paid to Company | $ 45,100 |  | $ 45,100 |  |  |  |  |  |  |  |  |
Executive Officer [Member] |  |  |  |  |  |  |  |  |  |  |  |
Number of Individuals with Split Dollar Life Insurance Arrangement | 4 |  | 4 |  |  | 4 |  |  |  |  |  |
Split Dollar Life Insurance Arrangement, Accrued Expense | $ 310 |  | $ 310 |  | $ 269 |  |  |  |  |  |  |

X
- Definition The number of individuals participating in defined benefit plan. + References No definition available. + Details
Name: | fdbc_DefinedBenefitPlanNumberOfIndividuals
Namespace Prefix: | fdbc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of gain from bank owned life insurance claim. + References No definition available. + Details
Name: | fdbc_GainFromBankownedLifeInsuranceClaim
Namespace Prefix: | fdbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of individuals with split dollar life insurance. + References No definition available. + Details
Name: | fdbc_NumberOfIndividualsWithSplitDollarLifeInsuranceArrangement
Namespace Prefix: | fdbc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of return of cash surrender value of life insurance. + References No definition available. + Details
Name: | fdbc_ReturnOfCashSurrenderValueOfLifeInsurance
Namespace Prefix: | fdbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of accrued expense for split dollar life insurance arrangement. + References No definition available. + Details
Name: | fdbc_SplitDollarLifeInsuranceArrangementAccruedExpense
Namespace Prefix: | fdbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of death benefit under split dollar life insurance arrangement. + References No definition available. + Details
Name: | fdbc_SplitDollarLifeInsuranceArrangementDeathBenefit
Namespace Prefix: | fdbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of death benefit to be paid to the company under split dollar life insurance arrangement. + References No definition available. + Details
Name: | fdbc_SplitDollarLifeInsuranceArrangementDeathBenefitToBePaidToCompany
Namespace Prefix: | fdbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of death benefit to be paid to insured's beneficiary under the split dollar life insurance arrangement. + References No definition available. + Details
Name: | fdbc_SplitDollarLifeInsuranceArrangementDeathBenefitToBePaidToInsuredsBeneficiary
Namespace Prefix: | fdbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_BankOwnedLifeInsuranceIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CashSurrenderValueOfLifeInsurance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanBenefitObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 21C -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-21C + Details
Name: | us-gaap_ProceedsFromLifeInsurancePolicies
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fdbc_LandmarkBancorpIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_OfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |