PARENT COMPANY STATEMENTS (CONDENSED BALANCE SHEETS) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Other assets	$ 29,116	$ 29,174
Total assets	3,175,764	3,064,144
LIABILITIES
Subordinated debt	30,928	30,928
STOCKHOLDERS' EQUITY	321,875	297,739	273,200	246,997
Total liabilities and stockholders' equity	3,175,764	3,064,144
Parent Company [Member]
ASSETS
Deposits with Lake City Bank	950	1,285
Deposits with other depository institutions	0	248
Cash	950	1,533
Investments in banking subsidiary	342,690	320,465
Investments in other subsidiaries	2,313	1,191
Other assets	7,107	5,710
Total assets	353,060	328,899
LIABILITIES
Dividends payable and other liabilities	257	232
Subordinated debt	30,928	30,928
STOCKHOLDERS' EQUITY	321,875	297,739
Total liabilities and stockholders' equity	$ 353,060	$ 328,899