XML 95 R82.htm IDEA: XBRL DOCUMENT
v3.22.0.1

FAIR VALUE - Estimated Fair Values And The Related Carrying Values Of Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Carrying Value |  |
Financial Assets: |  |
Cash and cash equivalents | $ 683,240 | $ 249,927
Securities available-for-sale | 1,398,558 | 734,845
Real estate mortgages held-for-sale | 7,470 | 11,218
Loans, net | 4,220,068 | 4,587,748
Mortgage banking derivative | 398 | 1,182
Interest rate swap derivative | 14,309 | 21,764
Federal Reserve and Federal Home Loan Bank Stock | 13,772 | 13,772
Accrued interest receivable | 17,674 | 18,761
Financial Liabilities: |  |
Certificates of deposit | (829,518) | (1,024,819)
All other deposits | (4,905,889) | (4,011,986)
Miscellaneous borrowings |  | (10,500)
Federal Home Loan Bank advances | (75,000) | (75,000)
Mortgage banking derivative | (2) | (111)
Interest rate swap derivative | (14,329) | (21,794)
Standby letters of credit | (272) | (686)
Accrued interest payable | (2,619) | (5,959)
Estimated Fair Value |  |
Financial Assets: |  |
Cash and cash equivalents | 683,240 | 249,927
Securities available-for-sale | 1,398,558 | 734,845
Real estate mortgages held-for-sale | 7,634 | 11,651
Loans, net | 4,144,000 | 4,532,639
Mortgage banking derivative | 398 | 1,182
Interest rate swap derivative | 14,309 | 21,764
Accrued interest receivable | 17,674 | 18,761
Financial Liabilities: |  |
Certificates of deposit | (833,617) | (1,033,095)
All other deposits | (4,905,889) | (4,011,986)
Miscellaneous borrowings |  | (10,500)
Federal Home Loan Bank advances | (66,118) | (68,967)
Mortgage banking derivative | (2) | (111)
Interest rate swap derivative | (14,329) | (21,794)
Standby letters of credit | (272) | (686)
Accrued interest payable | (2,619) | (5,959)
Level 1 | Estimated Fair Value |  |
Financial Assets: |  |
Cash and cash equivalents | 681,286 | 247,228
Securities available-for-sale | 900 | 0
Real estate mortgages held-for-sale | 0 | 0
Loans, net | 0 | 0
Mortgage banking derivative | 0 | 0
Interest rate swap derivative | 0 | 0
Accrued interest receivable | 0 | 0
Financial Liabilities: |  |
Certificates of deposit | 0 | 0
All other deposits | (4,905,889) | (4,011,986)
Miscellaneous borrowings |  | 0
Federal Home Loan Bank advances | 0 | 0
Mortgage banking derivative | 0 | 0
Interest rate swap derivative | 0 | 0
Standby letters of credit | 0 | 0
Accrued interest payable | (84) | (66)
Level 2 | Estimated Fair Value |  |
Financial Assets: |  |
Cash and cash equivalents | 1,954 | 2,699
Securities available-for-sale | 1,395,615 | 734,705
Real estate mortgages held-for-sale | 7,634 | 11,651
Loans, net | 0 | 0
Mortgage banking derivative | 398 | 1,182
Interest rate swap derivative | 14,309 | 21,764
Accrued interest receivable | 7,689 | 3,801
Financial Liabilities: |  |
Certificates of deposit | (833,617) | (1,033,095)
All other deposits | 0 | 0
Miscellaneous borrowings |  | (10,500)
Federal Home Loan Bank advances | (66,118) | (68,967)
Mortgage banking derivative | (2) | (111)
Interest rate swap derivative | (14,329) | (21,794)
Standby letters of credit | 0 | 0
Accrued interest payable | (2,535) | (5,893)
Level 3 | Estimated Fair Value |  |
Financial Assets: |  |
Cash and cash equivalents | 0 | 0
Securities available-for-sale | 2,043 | 140
Real estate mortgages held-for-sale | 0 | 0
Loans, net | 4,144,000 | 4,532,639
Mortgage banking derivative | 0 | 0
Interest rate swap derivative | 0 | 0
Accrued interest receivable | 9,985 | 14,960
Financial Liabilities: |  |
Certificates of deposit | 0 | 0
All other deposits | 0 | 0
Miscellaneous borrowings |  | 0
Federal Home Loan Bank advances | 0 | 0
Mortgage banking derivative | 0 | 0
Interest rate swap derivative | 0 | 0
Standby letters of credit | (272) | (686)
Accrued interest payable | $ 0 | $ 0

X
- Definition Refers to as of the balance sheet date of interest owed but not paid. Also called accrued interest current or accrued interest Payable. + References No definition available. + Details
Name: | lkfn_AccruedInterestPayableFairValueCurrent
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Refers to as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References No definition available. + Details
Name: | lkfn_AccruedInterestReceivableFairValue
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate of all deposit liabilities held by the entity which is not defined anywhere else. + References No definition available. + Details
Name: | lkfn_AllOtherDepositsFairValue
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of a savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate. A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit). Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties. Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. + References No definition available. + Details
Name: | lkfn_CertificatesOfDepositFairValue
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of investments in Federal Reserve and Federal Home Loan Bank stock. + References No definition available. + Details
Name: | lkfn_InvestmentInFederalReserveAndFederalHomeLoanBankStockFairValueDisclosure
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of miscellaneous borrowings. + References No definition available. + Details
Name: | lkfn_MiscellaneousBorrowingsFairValueDisclosure
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of mortgage banking derivative assets. + References No definition available. + Details
Name: | lkfn_MortgageBankingDerivativeAssetsFairValueDisclosure
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of mortgage banking derivative liabilities. + References No definition available. + Details
Name: | lkfn_MortgageBankingDerivativeLiabilitiesFairValueDisclosure
Namespace Prefix: | lkfn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of arrangements with third parties, including, but not limited to, operating lease arrangement and arrangement in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommitmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of borrowing from Federal Home Loan Bank (FHLBank). + 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 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. + References No definition available. + Details
Name: | us-gaap_InterestRateDerivativeAssetsAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References No definition available. + Details
Name: | us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
Name: | us-gaap_LoansReceivableFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of mortgage loans held-for-sale. + References No definition available. + Details
Name: | us-gaap_MortgagesHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |