XML 24 R37.htm IDEA: XBRL DOCUMENT
v3.19.3

LOANS - Total Loans Outstanding (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2019 | Sep. 30, 2018 | Jun. 30, 2018 | Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 4,024,611 | $ 3,916,326 |  |  |  |
Percentage of Subtotal | 100.00% | 100.00% |  |  |  |
Less: Allowance for loan losses | $ (50,628) | $ (48,453) | $ (50,564) | $ (48,343) | $ (47,706) | $ (47,121)
Net deferred loan fees | (1,390) | (1,581) |  |  |  |
Loans, net | 3,972,593 | 3,866,292 |  |  |  |
Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 3,543,205 | $ 3,441,184 |  |  |  |
Percentage of Total commercial loans | 88.00% | 87.90% |  |  |  |
Other consumer loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 90,631 | $ 86,064 |  |  |  |
Consumer loan open-ended revolving line |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 481,406 | $ 475,142 |  |  |  |
Working Capital Lines of Credit Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Percentage of Total consumer loans | 12.00% | 12.10% |  |  |  |
Commercial and Industrial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Less: Allowance for loan losses | $ (24,977) | $ (22,518) | (25,024) | (23,071) | (22,524) | (21,097)
Commercial and Industrial Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 1,432,330 | $ 1,405,379 |  |  |  |
Percentage of Total commercial loans | 35.60% | 35.90% |  |  |  |
Commercial and Industrial Loans | Working Capital Lines of Credit Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 730,557 | $ 690,620 |  |  |  |
Percentage of Total commercial loans | 18.20% | 17.60% |  |  |  |
Commercial and Industrial Loans | Non-working Capital Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 701,773 | $ 714,759 |  |  |  |
Percentage of Total commercial loans | 17.40% | 18.30% |  |  |  |
Commercial Real Estate and Multi-family Residential Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 1,680,808 | $ 1,569,635 |  |  |  |
Percentage of Total commercial loans | 41.70% | 40.10% |  |  |  |
Commercial Real Estate and Multi-family Residential Loans | Construction and Land Development Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 319,420 | $ 266,805 |  |  |  |
Percentage of Total commercial loans | 7.90% | 6.80% |  |  |  |
Commercial Real Estate and Multi-family Residential Loans | Owner Occupied Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 556,536 | $ 586,325 |  |  |  |
Percentage of Total commercial loans | 13.80% | 15.00% |  |  |  |
Commercial Real Estate and Multi-family Residential Loans | Nonowner Occupied Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 545,444 | $ 520,901 |  |  |  |
Percentage of Total commercial loans | 13.50% | 13.30% |  |  |  |
Commercial Real Estate and Multi-family Residential Loans | Multifamily Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 259,408 | $ 195,604 |  |  |  |
Percentage of Total commercial loans | 6.50% | 5.00% |  |  |  |
Agri-business and Agricultural Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Less: Allowance for loan losses | $ (3,904) | $ (4,305) | $ (3,906) | $ (4,084) | $ (4,585) | $ (4,920)
Agri-business and Agricultural Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 329,967 | $ 370,513 |  |  |  |
Percentage of Total commercial loans | 8.20% | 9.50% |  |  |  |
Agri-business and Agricultural Loans | Loans Secured By Farmland | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 176,024 | $ 177,503 |  |  |  |
Percentage of Total commercial loans | 4.40% | 4.60% |  |  |  |
Agri-business and Agricultural Loans | Loans For Agricultural Production | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 153,943 | $ 193,010 |  |  |  |
Percentage of Total commercial loans | 3.80% | 4.90% |  |  |  |
Other Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Percentage of Total consumer loans | 2.30% | 2.20% |  |  |  |
Other Commercial Loans | Commercial Portfolio Segment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 100,100 | $ 95,657 |  |  |  |
Percentage of Total commercial loans | 2.50% | 2.40% |  |  |  |
Total Consumer 1 To 4 Family Mortgage Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 390,775 | $ 389,078 |  |  |  |
Percentage of Total commercial loans | 9.70% | 9.90% |  |  |  |
Total Consumer 1 To 4 Family Mortgage Loans | Closed End First Mortgage Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 187,404 | $ 185,822 |  |  |  |
Percentage of Total commercial loans | 4.60% | 4.70% |  |  |  |
Total Consumer 1 To 4 Family Mortgage Loans | Open End And Junior Lien Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 191,597 | $ 187,030 |  |  |  |
Percentage of Total commercial loans | 4.80% | 4.80% |  |  |  |
Total Consumer 1 To 4 Family Mortgage Loans | Residential Construction and Land Development Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |  |  |  |
Total Commercial And Consumer Loans | $ 11,774 | $ 16,226 |  |  |  |
Percentage of Total commercial loans | 0.30% | 0.40% |  |  |  |

X
- Definition Percentage before allowance of loans and leases held in portfolio, including but not limited to, Percentage of commercial and consumer loans. + References No definition available. + Details
Name: | lkfn_PercentageOfLoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | lkfn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the aggregate percentage of all commercial loans and leases held in portfolio, prior to deducting percentage deferred income and the percentage allowance for losses on commercial loans and leases. + References No definition available. + Details
Name: | lkfn_PercentageOfLoansAndLeasesReceivableGrossCarryingAmountCommercial
Namespace Prefix: | lkfn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the aggregate percentage of all consumer loans and leases held in portfolio, prior to deducting percentage deferred income and the percentage allowance for losses on consumer loans and leases. + References No definition available. + Details
Name: | lkfn_PercentageOfLoansAndLeasesReceivableGrossCarryingAmountConsumer
Namespace Prefix: | lkfn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738 Reference 3: 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 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
Name: | us-gaap_LoansAndLeasesReceivableDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. 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 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after allowance and 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 and loans held for sale. + 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetReportedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=lkfn_OtherConsumerLoansMember
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: |

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

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

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=lkfn_TotalConsumer1To4FamilyMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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