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PARENT COMPANY STATEMENTS - CONDENSED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Other income |  |  |  |  |  |  |  |  | $ 9,141 | $ 1,874 | $ 2,725
Interest expense | $ (42,343) | $ (40,230) | $ (35,958) | $ (27,701) | $ (18,516) | $ (10,066) | $ (4,944) | $ (3,154) | (146,232) | (36,680) | (15,131)
Income tax benefit | (6,436) | (4,479) | (1,880) | (3,771) | (4,987) | (6,237) | (5,584) | (4,539) | (16,566) | (21,347) | (21,711)
NET INCOME | $ 29,626 | $ 25,252 | $ 14,611 | $ 24,278 | $ 25,977 | $ 28,525 | $ 25,673 | $ 23,642 | 93,767 | 103,817 | 95,733
COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 127,495 | (101,199) | 84,082
Reportable Legal Entities | Parent Company |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Other income |  |  |  |  |  |  |  |  | 5 | 1 | 3
Interest expense |  |  |  |  |  |  |  |  | 0 | 0 | (7)
Miscellaneous expense |  |  |  |  |  |  |  |  | (4,768) | (8,795) | (8,133)
INCOME BEFORE INCOME TAXES AND EQUITY IN UNDISTRIBUTED INCOME OF SUBSIDIARIES |  |  |  |  |  |  |  |  | 43,025 | 33,096 | 40,253
Income tax benefit |  |  |  |  |  |  |  |  | 1,957 | 2,770 | 2,360
INCOME BEFORE EQUITY IN UNDISTRIBUTED INCOME OF SUBSIDIARIES |  |  |  |  |  |  |  |  | 44,982 | 35,866 | 42,613
Equity in undistributed income of subsidiaries |  |  |  |  |  |  |  |  | 48,785 | 67,951 | 53,120
NET INCOME |  |  |  |  |  |  |  |  | 93,767 | 103,817 | 95,733
COMPREHENSIVE INCOME (LOSS) |  |  |  |  |  |  |  |  | 127,495 | (101,199) | 84,082
Reportable Legal Entities | Parent Company | Lake City Bank |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends from Lake City Bank, Lakeland Statutory Trust II |  |  |  |  |  |  |  |  | 46,263 | 40,590 | 47,355
Reportable Legal Entities | Parent Company | Non-bank Subsidiaries |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends from Lake City Bank, Lakeland Statutory Trust II |  |  |  |  |  |  |  |  | $ 1,525 | $ 1,300 | $ 1,035

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