LOANS AND ALLOWANCE FOR LOAN LOSSES (Loans Stated at Face Amount, Net of Unearned Income) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Loans stated at face amount, net of unearned income
Loans, net of unearned income	$ 3,002,246	$ 2,966,847	$ 2,908,510
Commercial Construction [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	219,154	202,344
Commercial Real Estate - Owner Occupied [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	507,646	513,671
Commercial Real Estate - Non Owner Occupied [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	722,542	682,760
Raw Land and Lots [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	180,128	205,726
Single Family Investment Real Estate [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	235,754	233,395
Commercial and Industrial [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	205,103	217,661
Other Commercial [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	54,490	47,551
Mortgage [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	223,987	220,567
Consumer Construction [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	45,861	33,969
Indirect Auto [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	175,034	157,518
Indirect Marine [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	38,788	36,586
HELOCs [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	279,439	288,092
Credit Card [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	21,978	21,968
Other Consumer [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	$ 92,342	$ 105,039