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Amount of income earned from debit card services, including interchange fees, annual fees and other fees.

No definition available.

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- References

No definition available.

Name:	lkfn_LoanAndServiceFeesAbstract
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Amount represents the value of Loan fees

No definition available.

Name:	lkfn_LoanFees
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Amount of income earned from other loan and service fees.

No definition available.

Name:	lkfn_OtherLoanAndServiceFees
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Amount represents the value of Other

No definition available.

Name:	lkfn_OtherServiceCharges
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Amount represents the value of Overdrafts, net

No definition available.

Name:	lkfn_OverDraftsNet
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Amount represents the value of service charges on commercial deposit accounts

No definition available.

Name:	lkfn_ServiceChargesOnCommercialDepositAccounts
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- References

No definition available.

Name:	lkfn_ServiceChargesOnDepositAccountsAbstract
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Amount represents the value of Service charges on retail deposit accounts.

No definition available.

Name:	lkfn_ServiceChargesOnRetailDepositAccounts
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Data Type:	xbrli:monetaryItemType
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Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13)
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Amount of commission revenue from buying and selling securities on behalf of customers.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of unrealized and realized gain (loss) on investment in debt and equity securities.

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Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.

No definition available.

Name:	us-gaap_FeesAndCommissionsMortgageBankingAndServicing
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Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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Represents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights.

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- References

No definition available.