XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.25.2

ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Schedule of Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Collateral Dependent Loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Real Estate | $ 2,181 | $ 3,698
General Business Assets | 48,009 | 74,191
Other | 707 | 738
Total | 50,897 | 78,627
Commercial and industrial loans: | Working capital lines of credit loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Real Estate | 234 | 50
General Business Assets | 38,025 | 64,023
Other | 445 | 447
Total | 38,704 | 64,520
Commercial and industrial loans: | Non-working capital loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Real Estate | 57 | 1,891
General Business Assets | 8,170 | 6,585
Other | 8 | 19
Total | 8,235 | 8,495
Commercial real estate and multi-family residential loans: | Owner occupied loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Real Estate | 312 | 318
General Business Assets | 1,753 | 3,512
Other | 0 | 0
Total | 2,065 | 3,830
Agri-business and agricultural loans: | Loans secured by farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Real Estate | 0 | 0
General Business Assets | 61 | 71
Other | 0 | 0
Total | 61 | 71
Consumer 1‑4 family mortgage loans: | Closed end first mortgage loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Real Estate | 1,388 | 1,121
General Business Assets | 0 | 0
Other |  | 0
Total | 1,388 | 1,121
Consumer 1‑4 family mortgage loans: | Open end and junior lien loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Real Estate | 190 | 318
General Business Assets | 0 | 0
Other | 0 | 0
Total | 190 | 318
Consumer 1‑4 family mortgage loans: | Other consumer loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Real Estate | 0 | 0
General Business Assets | 0 | 0
Other | 254 | 272
Total | $ 254 | $ 272

X
- Definition Amount of amortized cost of other. + References No definition available. + Details
Name: | lkfn_FinancingReceivableAmortizedCostOther
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, Collateral Dependent Borrowings, Amortized Cost + References No definition available. + Details
Name: | lkfn_FinancingReceivableCollateralDependentBorrowingsAmortizedCost
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of amortized cost of general business assets. + References No definition available. + Details
Name: | lkfn_FinancingReceivableGeneralBusinessAssetsAmortizedCost
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of real estate amortized cost. + References No definition available. + Details
Name: | lkfn_FinancingReceivableRealEstateAmortizedCost
Namespace Prefix: | lkfn_
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 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=lkfn_NonWorkingCapitalLoansMember
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_FinancingReceivablePortfolioSegmentAxis=lkfn_OwnerOccupiedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_FirstMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_JuniorLienMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=lkfn_OtherConsumerLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |