XML 99 R85.htm IDEA: XBRL DOCUMENT v3.25.0.1

Premises and Equipment - Schedule of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 52,525	$ 51,620
Less accumulated depreciation	24,670	22,936
Premises and equipment, net	27,855	28,684
Land
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	6,232	6,319
Land improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	2,043	1,960
Buildings
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	33,033	32,180
Equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 11,217	$ 11,161

X

- Definition

Property, Plant And Equipment And Operating Lease Right-Of-Use Asset Accumulated Depreciation And Amortization

+ References

No definition available.

+ Details

Name:	fnlc_PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
Namespace Prefix:	fnlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Property, Plant And Equipment And Operating Lease Right-Of-Use Asset, Before Accumulated Depreciation And Amortization

+ References

No definition available.

+ Details

Name:	fnlc_PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
Namespace Prefix:	fnlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Property, Plant And Equipment And Operating Lease Right-Of-Use Asset, Net Of Accumulated Depreciation And Amortization

+ References

No definition available.

+ Details

Name:	fnlc_PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetNetOfAccumulatedDepreciationAndAmortization
Namespace Prefix:	fnlc_
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/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
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: