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PARENT COMPANY STATEMENTS - CONDENSED BALANCE SHEETS (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
ASSETS
Other assets	$ 41,293	$ 34,735
Total assets	4,946,745	4,875,254
LIABILITIES
Subordinated debt	0	30,928
STOCKHOLDERS' EQUITY	598,011	521,615
Total liabilities and equity	4,946,745	4,875,254
Parent Company [Member] | Reportable Legal Entities [Member]
ASSETS
Deposits with Lake City Bank	1,762	1,283
Deposits with other depository institutions	2,104	7,613
Cash	3,866	8,896
Investments in banking subsidiary	582,674	533,442
Investments in other subsidiaries	3,276	3,992
Other assets	8,457	6,468
Total assets	598,273	552,798
LIABILITIES
Dividends payable and other liabilities	262	255
Subordinated debt	0	30,928
STOCKHOLDERS' EQUITY	598,011	521,615
Total liabilities and equity	$ 598,273	$ 552,798

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