XML 127 R114.htm IDEA: XBRL DOCUMENT
v3.22.0.1

COMMITMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES - Interest Rate Ranges On Commitments And Open Ended Revolving Lines Of Credit (Details) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Total commercial loans | Minimum |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 1.99% | 1.00%
Variable Rate | 1.11% | 1.16%
Total commercial loans | Maximum |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 14.50% | 14.50%
Variable Rate | 10.00% | 9.25%
Real estate mortgage loans | Minimum |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 2.50% | 2.63%
Variable Rate | 3.00% | 3.00%
Real estate mortgage loans | Maximum |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 3.75% | 3.75%
Variable Rate | 8.25% | 5.75%
Total consumer loans |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Fixed Rate | 15.00% | 15.00%
Total consumer loans | Minimum |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Variable Rate | 3.25% | 3.00%
Total consumer loans | Maximum |  |
Commitments Off-Balance Sheet Risks and Contingencies [Line Items] |  |
Variable Rate | 15.00% | 15.00%

X
- References No definition available. + Details
Name: | lkfn_CommitmentsOffbalanceSheetRisksAndContingenciesLineItems
Namespace Prefix: | lkfn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the interest rate applicable on commitments of fixed rate loans and leases receivable. + References No definition available. + Details
Name: | lkfn_FinancingReceivableCommitmentsFixedRatesPercentageRate
Namespace Prefix: | lkfn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Reflects the interest rate applicable on commitments of variable rate loans and leases receivable. + References No definition available. + Details
Name: | lkfn_FinancingReceivableReceivableCommitmentsVariableRatesPercentageRate
Namespace Prefix: | lkfn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=lkfn_RealEstateMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |