Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000721994-24-000013-index-headers.html | 2024-02-21 08:00:00 | |
| 0000721994-24-000013-index.html | 2024-02-21 08:00:00 | |
| 0000721994-24-000013.txt | 2024-02-21 08:00:00 | |
 0000721994-24-000013-xbrl.zip | 794817 | 2024-02-21 08:00:00 |
| a10kexhibit21112312023.htm | 2098 | 2024-02-21 08:00:00 |
| a10kexhibit23112312023.htm | 2931 | 2024-02-21 08:00:00 |
| a10kexhibit31112312023.htm | 9873 | 2024-02-21 08:00:00 |
| a10kexhibit31212312023.htm | 9703 | 2024-02-21 08:00:00 |
| a10kexhibit32112312023.htm | 5820 | 2024-02-21 08:00:00 |
| a10kexhibit32212312023.htm | 5882 | 2024-02-21 08:00:00 |
| ex191insidertradingandsect.htm | 24510 | 2024-02-21 08:00:00 |
| ex971clawbackpolicy.htm | 40258 | 2024-02-21 08:00:00 |
| FilingSummary.xml | 72153 | 2024-02-21 08:00:00 |
| Financial_Report.xlsx | 250176 | 2024-02-21 08:00:00 |
| lkfn-20231231.htm | 5607638 | 2024-02-21 08:00:00 |
| lkfn-20231231.xsd | 119347 | 2024-02-21 08:00:00 |
| lkfn-20231231_cal.xml | 224909 | 2024-02-21 08:00:00 |
| lkfn-20231231_def.xml | 610630 | 2024-02-21 08:00:00 |
 lkfn-20231231_g1.jpg | 266551 | 2024-02-21 08:00:00 |
| lkfn-20231231_htm.xml | 6103760 | 2024-02-21 08:00:00 |
| lkfn-20231231_lab.xml | 1461279 | 2024-02-21 08:00:00 |
| lkfn-20231231_pre.xml | 1019923 | 2024-02-21 08:00:00 |
| MetaLinks.json | 1590470 | 2024-02-21 08:00:00 |
| R1.htm | 66427 | 2024-02-21 08:00:00 |
| R10.htm | 97689 | 2024-02-21 08:00:00 |
| R100.htm | 61315 | 2024-02-21 08:00:00 |
| R101.htm | 32540 | 2024-02-21 08:00:00 |
| R102.htm | 6465 | 2024-02-21 08:00:00 |
| R103.htm | 78461 | 2024-02-21 08:00:00 |
| R104.htm | 58019 | 2024-02-21 08:00:00 |
| R105.htm | 21426 | 2024-02-21 08:00:00 |
| R106.htm | 18700 | 2024-02-21 08:00:00 |
| R107.htm | 42008 | 2024-02-21 08:00:00 |
| R108.htm | 57958 | 2024-02-21 08:00:00 |
| R109.htm | 67917 | 2024-02-21 08:00:00 |
| R11.htm | 196387 | 2024-02-21 08:00:00 |
| R110.htm | 44635 | 2024-02-21 08:00:00 |
| R111.htm | 40471 | 2024-02-21 08:00:00 |
| R112.htm | 42042 | 2024-02-21 08:00:00 |
| R113.htm | 52880 | 2024-02-21 08:00:00 |
| R114.htm | 25970 | 2024-02-21 08:00:00 |
| R115.htm | 9006 | 2024-02-21 08:00:00 |
| R116.htm | 9399 | 2024-02-21 08:00:00 |
| R12.htm | 39547 | 2024-02-21 08:00:00 |
| R13.htm | 639479 | 2024-02-21 08:00:00 |
| R14.htm | 282682 | 2024-02-21 08:00:00 |
| R15.htm | 15541 | 2024-02-21 08:00:00 |
| R16.htm | 5654 | 2024-02-21 08:00:00 |
| R17.htm | 22804 | 2024-02-21 08:00:00 |
| R18.htm | 16726 | 2024-02-21 08:00:00 |
| R19.htm | 296934 | 2024-02-21 08:00:00 |
| R2.htm | 7788 | 2024-02-21 08:00:00 |
| R20.htm | 9827 | 2024-02-21 08:00:00 |
| R21.htm | 73292 | 2024-02-21 08:00:00 |
| R22.htm | 17738 | 2024-02-21 08:00:00 |
| R23.htm | 29347 | 2024-02-21 08:00:00 |
| R24.htm | 95357 | 2024-02-21 08:00:00 |
| R25.htm | 57171 | 2024-02-21 08:00:00 |
| R26.htm | 35619 | 2024-02-21 08:00:00 |
| R27.htm | 78114 | 2024-02-21 08:00:00 |
| R28.htm | 25250 | 2024-02-21 08:00:00 |
| R29.htm | 60793 | 2024-02-21 08:00:00 |
| R3.htm | 119227 | 2024-02-21 08:00:00 |
| R30.htm | 67379 | 2024-02-21 08:00:00 |
| R31.htm | 31276 | 2024-02-21 08:00:00 |
| R32.htm | 16327 | 2024-02-21 08:00:00 |
| R33.htm | 8482 | 2024-02-21 08:00:00 |
| R34.htm | 182655 | 2024-02-21 08:00:00 |
| R35.htm | 205523 | 2024-02-21 08:00:00 |
| R36.htm | 38244 | 2024-02-21 08:00:00 |
| R37.htm | 771927 | 2024-02-21 08:00:00 |
| R38.htm | 274694 | 2024-02-21 08:00:00 |
| R39.htm | 14398 | 2024-02-21 08:00:00 |
| R4.htm | 18702 | 2024-02-21 08:00:00 |
| R40.htm | 23843 | 2024-02-21 08:00:00 |
| R41.htm | 8812 | 2024-02-21 08:00:00 |
| R42.htm | 299278 | 2024-02-21 08:00:00 |
| R43.htm | 70480 | 2024-02-21 08:00:00 |
| R44.htm | 12906 | 2024-02-21 08:00:00 |
| R45.htm | 21245 | 2024-02-21 08:00:00 |
| R46.htm | 90687 | 2024-02-21 08:00:00 |
| R47.htm | 56538 | 2024-02-21 08:00:00 |
| R48.htm | 34535 | 2024-02-21 08:00:00 |
| R49.htm | 80925 | 2024-02-21 08:00:00 |
| R5.htm | 117637 | 2024-02-21 08:00:00 |
| R50.htm | 24618 | 2024-02-21 08:00:00 |
| R51.htm | 61733 | 2024-02-21 08:00:00 |
| R52.htm | 67106 | 2024-02-21 08:00:00 |
| R53.htm | 30913 | 2024-02-21 08:00:00 |
| R54.htm | 90473 | 2024-02-21 08:00:00 |
| R55.htm | 50346 | 2024-02-21 08:00:00 |
| R56.htm | 16684 | 2024-02-21 08:00:00 |
| R57.htm | 71081 | 2024-02-21 08:00:00 |
| R58.htm | 11339 | 2024-02-21 08:00:00 |
| R59.htm | 37810 | 2024-02-21 08:00:00 |
| R6.htm | 56738 | 2024-02-21 08:00:00 |
| R60.htm | 21907 | 2024-02-21 08:00:00 |
| R61.htm | 20935 | 2024-02-21 08:00:00 |
| R62.htm | 25415 | 2024-02-21 08:00:00 |
| R63.htm | 62992 | 2024-02-21 08:00:00 |
| R64.htm | 6590 | 2024-02-21 08:00:00 |
| R65.htm | 57833 | 2024-02-21 08:00:00 |
| R66.htm | 11827 | 2024-02-21 08:00:00 |
| R67.htm | 341698 | 2024-02-21 08:00:00 |
| R68.htm | 125278 | 2024-02-21 08:00:00 |
| R69.htm | 40761 | 2024-02-21 08:00:00 |
| R7.htm | 75473 | 2024-02-21 08:00:00 |
| R70.htm | 31644 | 2024-02-21 08:00:00 |
| R71.htm | 52846 | 2024-02-21 08:00:00 |
| R72.htm | 46504 | 2024-02-21 08:00:00 |
| R73.htm | 63411 | 2024-02-21 08:00:00 |
| R74.htm | 45632 | 2024-02-21 08:00:00 |
| R75.htm | 34216 | 2024-02-21 08:00:00 |
| R76.htm | 68991 | 2024-02-21 08:00:00 |
| R77.htm | 15972 | 2024-02-21 08:00:00 |
| R78.htm | 4860 | 2024-02-21 08:00:00 |
| R79.htm | 17680 | 2024-02-21 08:00:00 |
| R8.htm | 4605 | 2024-02-21 08:00:00 |
| R80.htm | 16306 | 2024-02-21 08:00:00 |
| R81.htm | 5478 | 2024-02-21 08:00:00 |
| R82.htm | 6298 | 2024-02-21 08:00:00 |
| R83.htm | 58161 | 2024-02-21 08:00:00 |
| R84.htm | 31749 | 2024-02-21 08:00:00 |
| R85.htm | 37748 | 2024-02-21 08:00:00 |
| R86.htm | 8795 | 2024-02-21 08:00:00 |
| R87.htm | 10405 | 2024-02-21 08:00:00 |
| R88.htm | 43140 | 2024-02-21 08:00:00 |
| R89.htm | 19412 | 2024-02-21 08:00:00 |
| R9.htm | 135340 | 2024-02-21 08:00:00 |
| R90.htm | 45755 | 2024-02-21 08:00:00 |
| R91.htm | 139256 | 2024-02-21 08:00:00 |
| R92.htm | 16930 | 2024-02-21 08:00:00 |
| R93.htm | 20626 | 2024-02-21 08:00:00 |
| R94.htm | 19712 | 2024-02-21 08:00:00 |
| R95.htm | 17294 | 2024-02-21 08:00:00 |
| R96.htm | 33870 | 2024-02-21 08:00:00 |
| R97.htm | 44321 | 2024-02-21 08:00:00 |
| R98.htm | 11549 | 2024-02-21 08:00:00 |
| R99.htm | 15858 | 2024-02-21 08:00:00 |
| report.css | 2768 | 2024-02-21 08:00:00 |
| Show.js | 1086 | 2024-02-21 08:00:00 |