XML 97 R83.htm IDEA: XBRL DOCUMENT
v3.20.4

Premises and Equipment - Schedule of Premises and Equipment (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | $ 47,833 | $ 41,004
Less accumulated depreciation | 20,582 | 19,699
Premises and equipment, net | 27,251 | 21,305
Land |  |
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | 6,178 | 5,100
Land improvements |  |
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | 1,710 | 1,100
Buildings |  |
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | 28,067 | 21,946
Equipment |  |
Property, Plant and Equipment [Line Items] |  |
Premises and equipment, gross | $ 11,878 | $ 12,858

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: |