PARENT COMPANY STATEMENTS - CONDENSED BALANCE SHEETS (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
ASSETS
Other assets	$ 54,669	$ 41,082
Total assets	5,830,435	4,946,745
LIABILITIES
STOCKHOLDERS' EQUITY	657,095	598,011
Total liabilities and equity	5,830,435	4,946,745
Parent Company | Reportable Legal Entities
ASSETS
Deposits with Lake City Bank	568	1,762
Deposits with other depository institutions	2,433	2,104
Cash	3,001	3,866
Investments in banking subsidiary	652,407	582,674
Investments in other subsidiaries	3,043	3,276
Other assets	9,455	8,457
Total assets	667,906	598,273
LIABILITIES
Dividends payable and other liabilities	311	262
Borrowings	10,500
STOCKHOLDERS' EQUITY	657,095	598,011
Total liabilities and equity	$ 667,906	$ 598,273