XML 34 R22.htm IDEA: XBRL DOCUMENT
v3.21.2

SECURITIES (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-For-Sale Securities | Information related to the amortized cost, fair value and allowance for credit losses of securities available-for-sale and the related gross unrealized gains and losses recognized in accumulated other comprehensive income is provided in the tables below.
(dollars in thousands) |  | Amortized Cost |  | Gross Unrealized Gain |  | Gross Unrealized Losses |  | Allowance for Credit Losses |  | Fair Value
September 30, 2021 |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 900 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 900 |
U.S. government sponsored agencies |  | 118,681 |  |  | 17 |  |  | (2,237) |  |  | 0 |  |  | 116,461 |
Mortgage-backed securities: residential |  | 430,388 |  |  | 5,511 |  |  | (4,066) |  |  | 0 |  |  | 431,833 |
Mortgage-backed securities: commercial |  | 23,699 |  |  | 483 |  |  | 0 |  |  | 0 |  |  | 24,182 |
State and municipal securities |  | 650,561 |  |  | 20,955 |  |  | (5,177) |  |  | 0 |  |  | 666,339 |
Total |  | $ | 1,224,229 |  |  | $ | 26,966 |  |  | $ | (11,480) |  |  | $ | 0 |  |  | $ | 1,239,715 |
December 31, 2020 |  |  |  |  |  |  |  |  |  |
U.S. government sponsored agencies |  | $ | 36,492 |  |  | $ | 56 |  |  | $ | (61) |  |  | $ | 0 |  |  | $ | 36,487 |
Mortgage-backed securities: residential |  | 270,231 |  |  | 9,289 |  |  | (17) |  |  | 0 |  |  | 279,503 |
Mortgage-backed securities: commercial |  | 35,877 |  |  | 1,004 |  |  | 0 |  |  | 0 |  |  | 36,881 |
State and municipal securities |  | 355,306 |  |  | 26,696 |  |  | (28) |  |  | 0 |  |  | 381,974 |
Total |  | $ | 697,906 |  |  | $ | 37,045 |  |  | $ | (106) |  |  | $ | 0 |  |  | $ | 734,845 |
Schedule of Available-For-Sale Securities By Maturity | Information regarding the fair value and amortized cost of available-for-sale debt securities by maturity as of September 30, 2021 is presented below. Maturity information is based on contractual maturity for all securities other than mortgage-backed securities. Actual maturities of securities may differ from contractual maturities because borrowers may have the right to prepay the obligation without a prepayment penalty.
(dollars in thousands) |  | Amortized Cost |  | Fair Value
Due in one year or less |  | $ | 4,245 |  |  | $ | 4,256 |
Due after one year through five years |  | 11,953 |  |  | 12,284 |
Due after five years through ten years |  | 50,464 |  |  | 52,987 |
Due after ten years |  | 703,480 |  |  | 714,173 |
|  | 770,142 |  |  | 783,700 |
Mortgage-backed securities |  | 454,087 |  |  | 456,015 |
Total debt securities |  | $ | 1,224,229 |  |  | $ | 1,239,715 |
Schedule of Sales of Securities Available For Sale | Securities proceeds, gross gains and gross losses are presented below.
|  | Three months ended September 30, |  | Nine Months Ended September 30,
(dollars in thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Sales of securities available-for-sale |  |  |  |  |  |  |  |
Proceeds |  | $ | 0 |  |  | $ | 5,265 |  |  | $ | 13,964 |  |  | $ | 6,413 |
Gross gains |  | 0 |  |  | 314 |  |  | 797 |  |  | 363 |
Gross losses |  | 0 |  |  | 0 |  |  | 0 |  |  | 0 |
Number of securities |  | 0 |  |  | 12 |  |  | 8 |  |  | 15 |
Schedule of Available-For-Sale Securities Continuous Unrealized Loss Position | Information regarding securities with unrealized losses as of September 30, 2021 and December 31, 2020 is presented below. The tables divide the securities between those with unrealized losses for less than twelve months and those with unrealized losses for twelve months or more.
|  | Less than 12 months |  | 12 months or more |  | Total
(dollars in thousands) |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
September 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |
U.S. government sponsored agencies |  | $ | 106,441 |  |  | $ | 2,237 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 106,441 |  |  | $ | 2,237 |
Mortgage-backed securities: residential |  | 245,919 |  |  | 4,066 |  |  | 0 |  |  | 0 |  |  | 245,919 |  |  | 4,066 |
Mortgage-backed securities: commercial |  | 65 |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 65 |  |  | 0 |
State and municipal securities |  | 276,881 |  |  | 5,177 |  |  | 0 |  |  | 0 |  |  | 276,881 |  |  | 5,177 |
Total temporarily impaired |  | $ | 629,306 |  |  | $ | 11,480 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 629,306 |  |  | $ | 11,480 |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |
U.S. government sponsored agencies |  | $ | 19,800 |  |  | $ | 61 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 19,800 |  |  | $ | 61 |
Mortgage-backed securities: residential |  | 3 |  |  | 0 |  |  | 3,112 |  |  | 17 |  |  | 3,115 |  |  | 17 |
Mortgage-backed securities: commercial |  | 0 |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 0 |
State and municipal securities |  | 6,921 |  |  | 28 |  |  | 0 |  |  | 0 |  |  | 6,921 |  |  | 28 |
Total temporarily impaired |  | $ | 26,724 |  |  | $ | 89 |  |  | $ | 3,112 |  |  | $ | 17 |  |  | $ | 29,836 |  |  | $ | 106 |
Schedule of Quantitative Disclosure of Available-For-Sale Securities | The total number of securities with unrealized losses as of September 30, 2021 and December 31, 2020 is presented below.
| Less than 12 months |  | 12 months or more |  | Total
September 30, 2021 |  |  |  |  |
U.S. government sponsored agencies | 12 |  |  | 0 |  |  | 12 |
Mortgage-backed securities: residential | 25 |  |  | 0 |  |  | 25 |
Mortgage-backed securities: commercial | 1 |  |  | 0 |  |  | 1 |
State and municipal securities | 162 |  |  | 0 |  |  | 162 |
Total temporarily impaired | 200 |  |  | 0 |  |  | 200 |
December 31, 2020 |  |  |  |  |
U.S. government sponsored agencies | 3 |  |  | 0 |  |  | 3 |
Mortgage-backed securities: residential | 2 |  |  | 1 |  |  | 3 |
Mortgage-backed securities: commercial | 0 |  |  | 0 |  |  | 0 |
State and municipal securities | 2 |  |  | 0 |  |  | 2 |
Total temporarily impaired | 7 |  |  | 1 |  |  | 8 |

X
- Definition Tabular disclosure of the number of available for sale securities in unrealized loss positions. + References No definition available. + Details
Name: | lkfn_QuantitativeDisclosureOfAvailableForSaleSecuritiesTableTextBlock
Namespace Prefix: | lkfn_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the sales of securities available for sale. + References No definition available. + Details
Name: | lkfn_ScheduleOfSalesOfSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | lkfn_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration