XML 61 R44.htm IDEA: XBRL DOCUMENT
v3.20.1

ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY - Credit Quality Indicators (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Recorded Investment |  |
Total ending loans balance | $ 4,085,738 | $ 4,065,828
Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 104,163 | 112,166
Commercial and Industrial Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 1,428,646 | 1,426,826
Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 730,848 | 709,983
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 697,798 | 716,843
Commercial Real Estate and Multi-family Residential Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 1,758,212 | 1,670,840
Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 333,699 | 286,534
Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 571,738 | 573,359
Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 583,709 | 570,687
Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 269,066 | 240,260
Commercial Real Estate and Multi-family Residential Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance |  | 573,359
Agri-business and Agricultural Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 329,497 | 379,631
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 145,554 | 174,389
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 183,943 | 205,242
Agri-business and Agricultural Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 104,163 | 112,166
Consumer 1-4 Family Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 368,361 | 377,999
Consumer 1-4 Family Mortgage Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 96,859 | 98,366
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 173,075 | 176,873
Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 183,180 | 188,204
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 12,106 | 12,922
Pass |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 3,516,048 | 3,490,863
Pass | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 651,403 | 631,728
Pass | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 653,230 | 673,370
Pass | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 333,699 | 286,534
Pass | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 527,818 |
Pass | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 582,374 | 569,315
Pass | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 269,066 | 240,260
Pass | Commercial Real Estate and Multi-family Residential Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance |  | 535,496
Pass | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 138,247 | 165,005
Pass | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 172,730 | 191,489
Pass | Agri-business and Agricultural Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 104,163 | 112,166
Pass | Consumer 1-4 Family Mortgage Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 27,439 | 27,250
Pass | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 44,863 | 47,405
Pass | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 11,016 | 10,845
Pass | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Special Mention |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 123,798 | 96,608
Special Mention | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 54,559 | 40,551
Special Mention | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 17,834 | 18,782
Special Mention | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Special Mention | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 33,555 |
Special Mention | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 758 | 781
Special Mention | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Special Mention | Commercial Real Estate and Multi-family Residential Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance |  | 14,804
Special Mention | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 5,879 | 7,952
Special Mention | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 11,213 | 13,738
Special Mention | Agri-business and Agricultural Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Special Mention | Consumer 1-4 Family Mortgage Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Special Mention | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Special Mention | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Special Mention | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Substandard |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 60,998 | 84,562
Substandard | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 24,527 | 37,278
Substandard | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 21,406 | 19,381
Substandard | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Substandard | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 10,365 |
Substandard | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 577 | 591
Substandard | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Substandard | Commercial Real Estate and Multi-family Residential Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance |  | 23,059
Substandard | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 1,428 | 1,432
Substandard | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 15
Substandard | Agri-business and Agricultural Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Substandard | Consumer 1-4 Family Mortgage Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 17
Substandard | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 1,960 | 1,976
Substandard | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 683 | 762
Substandard | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 52 | 51
Doubtful |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 |
Doubtful | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Commercial Real Estate and Multi-family Residential Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance |  | 0
Doubtful | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Agri-business and Agricultural Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Consumer 1-4 Family Mortgage Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Doubtful | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Not Rated |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 384,894 | 393,795
Not Rated | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 359 | 426
Not Rated | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 5,328 | 5,310
Not Rated | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Not Rated | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 |
Not Rated | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Not Rated | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Not Rated | Commercial Real Estate and Multi-family Residential Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance |  | 0
Not Rated | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Not Rated | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Not Rated | Agri-business and Agricultural Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 0 | 0
Not Rated | Consumer 1-4 Family Mortgage Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 69,420 | 71,099
Not Rated | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 126,252 | 127,492
Not Rated | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | 171,481 | 176,597
Not Rated | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment |  |
Total ending loans balance | $ 12,054 | $ 12,871

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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | lkfn_PortfolioSegmentAxis=lkfn_OtherCommercialLoansMember
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: | lkfn_PortfolioSegmentAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lkfn_PortfolioSegmentAxis=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: | lkfn_PortfolioSegmentAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lkfn_PortfolioSegmentAxis=lkfn_OwnerOccupiedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lkfn_PortfolioSegmentAxis=lkfn_NonownerOccupiedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lkfn_PortfolioSegmentAxis=lkfn_MultifamilyLoansMember
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: | lkfn_PortfolioSegmentAxis=lkfn_LoansSecuredByFarmlandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | lkfn_PortfolioSegmentAxis=us-gaap_SecondMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lkfn_PortfolioSegmentAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |