LOANS AND ALLOWANCE FOR LOAN LOSSES (Loans Stated at Face Amount, Net of Unearned Income) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Loans stated at face amount, net of unearned income
Loans, net of unearned income	$ 5,171,003	$ 3,039,368	$ 3,002,246
Commercial Construction [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	303,576	213,675
Commercial Real Estate - Owner Occupied [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	856,615	500,764
Commercial Real Estate - Non-Owner Occupied [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	1,423,093	755,905
Raw Land and Lots [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	210,557	187,529
Single Family Investment Real Estate [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	407,972	237,640
Commercial and Industrial [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	380,613	215,702
Other Commercial [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	79,356	52,490
Mortgage [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	489,076	237,414
Consumer Construction [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	76,991	48,984
Indirect Auto [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	194,633	174,843
Indirect Marine [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	40,347	38,633
HELOCs [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	496,145	281,579
Credit Card [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	23,736	23,211
Other Consumer [Member]
Loans stated at face amount, net of unearned income
Loans, net of unearned income	$ 188,293	$ 70,999