XML 72 R61.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2

Note 11 - Leases (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Number of Properties Leased under Operating Lease	10
Lease, Cost	$ 274	$ 296
Lessor, Number of Properties Under Long-Term Operating Leases	1
Premises and Equipment Expense [Member]
Lease, Cost	$ 268	290
Other Expense [Member]
Lease, Cost	$ 6	$ 6
Administrative Office [Member]
Number of Properties Leased under Operating Lease	1
Land [Member]
Number of Properties Leased under Operating Lease	4
Number of Leases Classified as Finance Lease	1
Standalone ATM [Member]
Number of Properties Leased under Operating Lease	2
Equipment [Member]
Number of Leases Classified as Finance Lease	4

X

- Definition

The number of properties under long-term operating leases as a lessor.

+ References

No definition available.

+ Details

Name:	fdbc_LessorNumberOfPropertiesUnderLongtermOperatingLeases
Namespace Prefix:	fdbc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of leases classified as financing lease.

+ References

No definition available.

+ Details

Name:	fdbc_NumberOfLeasesClassifiedAsFinanceLease
Namespace Prefix:	fdbc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of properties leased under operating lease.

+ References

No definition available.

+ Details

Name:	fdbc_NumberOfPropertiesLeasedUnderOperatingLease
Namespace Prefix:	fdbc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_LeaseCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=fdbc_PremisesAndEquipmentExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_OtherExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=fdbc_AdministrativeOfficeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=fdbc_StandaloneATMMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: