Name:	lkfn_AdjustmentsInShareCapitalWarrantsIssue
Namespace Prefix:	lkfn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of shares to be purchased for the issue of warrants as on a particular date.

No definition available.

Name:	lkfn_IssueOfWarrantStockPurchase
Namespace Prefix:	lkfn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The aggregate amount of purchase price in cash for the purchase of required number of shares for warrants issue during the period

No definition available.

Name:	lkfn_IssueOfWarrantsAggregatePurchasePriceOfStock
Namespace Prefix:	lkfn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The number of shares issuable upon exercise of warrants.

No definition available.

Name:	lkfn_SharesIssuableUponExerciseOfWarrants
Namespace Prefix:	lkfn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	lkfn_SummaryOfWarrantsLineItems
Namespace Prefix:	lkfn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The per share amount of warrant at which it is exercisable.

No definition available.

Name:	lkfn_WarrantExercisePricePerShare
Namespace Prefix:	lkfn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

The per share value of the warrant as per black scholes model issued during the period.

No definition available.

Name:	lkfn_WarrantFairValuePerShare
Namespace Prefix:	lkfn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

The period up to which the warrant can be execrable from its date of issuance.

No definition available.

Name:	lkfn_WarrantPeriod
Namespace Prefix:	lkfn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Agreed upon price for the exchange of the underlying asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Name:	us-gaap_FairValueAssumptionsExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

Name:	us-gaap_FairValueAssumptionsExpectedDividendRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Name:	us-gaap_FairValueAssumptionsExpectedTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

Name:	us-gaap_FairValueAssumptionsExpectedVolatilityRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Risk-free interest rate assumption used in valuing an instrument.

Name:	us-gaap_FairValueAssumptionsRiskFreeInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_PreferredStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770