XML 97 R83.htm IDEA: XBRL DOCUMENT
v3.22.4

Premises and Equipment - Schedule of Premises and Equipment (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | $ 50,819 | $ 50,439
Less accumulated depreciation | 22,542 | 21,490
Premises and equipment, net | 28,277 | 28,949
Land |  |
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | 6,404 | 6,159
Land improvements |  |
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | 1,883 | 1,788
Buildings |  |
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | 30,873 | 30,685
Equipment |  |
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | $ 11,659 | $ 11,807

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 No definition available. + 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: |