XML 25 R37.htm IDEA: XBRL DOCUMENT v2.4.1.9
ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Allowance for loan losses by portfolio segment) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning balance $ 46,262us-gaap_LoansAndLeasesReceivableAllowance $ 48,797us-gaap_LoansAndLeasesReceivableAllowance
Provision for loan losses 0us-gaap_ProvisionForLoanAndLeaseLosses 0us-gaap_ProvisionForLoanAndLeaseLosses
Loans charged-off (708)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs (2,751)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Recoveries 123us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts 91us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
Net loans charged-off (585)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries (2,660)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
Ending balance 45,677us-gaap_LoansAndLeasesReceivableAllowance 46,137us-gaap_LoansAndLeasesReceivableAllowance
Commercial and Industrial Loans [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning balance 22,785us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
21,005us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
Provision for loan losses 556us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
720us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
Loans charged-off (369)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
(30)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
Recoveries 52us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
35us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
Net loans charged-off (317)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
5lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
Ending balance 23,024us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
21,730us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_TotalCommercialAndIndustrialLoansMember
Commercial Real Estate and Multi-Family Residential Loans [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning balance 14,153us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
18,556us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Provision for loan losses (338)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
(388)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Loans charged-off (30)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
(2,531)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Recoveries 19us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
11us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Net loans charged-off (11)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
(2,520)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Ending balance 13,804us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
15,648us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Agri-business and Agricultural Loans [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning balance 1,790us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
1,682us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
Provision for loan losses (167)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
(279)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
Loans charged-off 0us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
0us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
Recoveries 4us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
5us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
Net loans charged-off 4lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
5lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
Ending balance 1,627us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
1,408us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_AgriBusinessAndAgriculturalLoansMember
Other Commercial [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning balance 276us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
391us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
Provision for loan losses 244us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
(142)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
Loans charged-off (122)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
0us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
Recoveries 0us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
0us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
Net loans charged-off (122)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
0lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
Ending balance 398us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
249us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherCommercialMember
Consumer 1-4 Family Mortgage Loans [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning balance 3,459us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
3,046us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Provision for loan losses (25)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
132us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Loans charged-off (134)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
(115)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Recoveries 13us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
1us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Net loans charged-off (121)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
(114)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Ending balance 3,313us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
3,064us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Other Consumer [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning balance 483us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
608us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
Provision for loan losses (35)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
(23)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
Loans charged-off (53)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
(75)us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
Recoveries 35us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
39us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
Net loans charged-off (18)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
(36)lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
Ending balance 430us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
549us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_OtherConsumerMember
Unallocated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Beginning balance 3,316us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
3,509us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
Provision for loan losses (235)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
(20)us-gaap_ProvisionForLoanAndLeaseLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
Loans charged-off 0us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
0us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
Recoveries 0us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
0us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
Net loans charged-off 0lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
0lkfn_AllowanceForLoanAndLeaseLossesWriteOffsAfterRecoveries
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
Ending balance $ 3,081us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember
$ 3,489us-gaap_LoansAndLeasesReceivableAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= lkfn_UnallocatedMember