LOANS AND ALLOWANCE FOR LOAN LOSSES (Loans Stated at Face Amount, Net of Unearned Income) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Loans stated at face amount, net of unearned income
Loans, net of unearned income	$ 3,000,855	$ 2,966,847	$ 2,887,790
Commercial Construction [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	206,994	202,344
Commercial Real Estate - Owner Occupied [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	516,303	513,671
Commercial Real Estate - Non Owner Occupied [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	732,596	682,760
Raw Land and Lots [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	182,629	205,726
Single Family Investment Real Estate [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	238,075	233,395
Commercial and Industrial [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	200,314	217,661
Other Commercial [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	54,603	47,551
Mortgage [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	225,848	220,567
Consumer Construction [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	41,160	33,969
Indirect Auto [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	168,885	157,518
Indirect Marine [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	39,010	36,586
HELOCs [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	280,448	288,092
Credit Card [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	21,878	21,968
Other Consumer [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	$ 92,112	$ 105,039