XML 90 R75.htm IDEA: XBRL DOCUMENT
v3.24.0.1

FAIR VALUE - Valuation Methodology and Unobservable Inputs for Level 3 Assets (Details) - Fair Value, Measurements, Nonrecurring $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Total collateral dependent loans | $ 5,350 | $ 11,992
Commercial and Industrial | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Total collateral dependent loans | $ 4,637 | $ 11,532
Unobservable Inputs | Discount to reflect current market conditions and ultimate collectability | Discount to reflect current market conditions
Commercial and Industrial | Weighted Average | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Range of Inputs | 0.64 | 62
Commercial and Industrial | Minimum | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Range of Inputs | 0.09 | 29
Commercial and Industrial | Maximum | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Range of Inputs | 0.99 | 99
Commercial Real Estate and Multi-family Residential | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Total collateral dependent loans | $ 682 | $ 425
Unobservable Inputs | Discount to reflect current market conditions and ultimate collectability | Discount to reflect current market conditions
Commercial Real Estate and Multi-family Residential | Weighted Average | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Range of Inputs | 0.37 | 57
Commercial Real Estate and Multi-family Residential | Minimum | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Range of Inputs | 0.09 | 37
Commercial Real Estate and Multi-family Residential | Maximum | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Range of Inputs | 0.69 | 0.76
Loans secured by farmland | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Total collateral dependent loans | $ 31 | $ 35
Unobservable Inputs | Discount to reflect current market conditions and ultimate collectability | Discount to reflect current market conditions and ultimate collectability
Loans secured by farmland | Weighted Average | Valuation, Collateral Based Measurements |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Range of Inputs | 0.69 | 76
Other real estate owned | Valuation, Cost Approach |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Total collateral dependent loans | $ 384 | $ 100
Unobservable Inputs | Discount to reflect current market conditions and ultimate collectability | Discount to reflect current market conditions and ultimate collectability
Other real estate owned | Weighted Average | Valuation, Cost Approach |  |
Valuation Methodology and Unobservable Inputs For Level 3 Assets Measured At Fair Value [Line Items] |  |
Range of Inputs | 0.36 | 0.68

X
- Definition This element represents the aggregate of the impaired loans reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
Name: | lkfn_ImpairedLoansFairValueDisclosure
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The description of the unobservable input used to measure the fair value of assets at the end of the period. + References No definition available. + Details
Name: | lkfn_UnobservableInputs
Namespace Prefix: | lkfn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | lkfn_ValuationMethodologyAndUnobservableInputsForLevel3AssetsMeasuredAtFairValueLineItems
Namespace Prefix: | lkfn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=lkfn_TotalCommercialAndIndustrialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=lkfn_ValuationCollateralBasedMeasurementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=lkfn_LoansSecuredByFarmlandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=lkfn_OtherRealEstateOwnedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_CostApproachValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |