LOANS AND ALLOWANCE FOR LOAN LOSSES (Purchased Impaired Commercial and Consumer Loan Portfolios by Class) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of purchased impaired commercial and consumer loan portfolios, by class
Current	$ 2,994,187	$ 2,903,718
Total	3,622	4,565	9,897
Commercial Real Estate - Owner Occupied [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
Current	497,955	507,249
Total		247
Raw Land and Lots [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
Current	181,045	193,672
Total	2,457	2,942
Single Family Investment Real Estate [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
Current	233,053	226,813
Total	275	326
Commercial and Industrial [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
Current	211,134	214,329
Total		79
Indirect Auto [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
Current	171,998	154,388
Total	7	21
HELOCs [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
Current	277,013	280,980
Total	787	845
Other Consumer [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
Current	69,174	101,833
Total	96	105
Purchased Impaired [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
30-89 Days Past Due	40	3
Greater than 90 Days	31	420
Current	3,551	4,142
Total	3,622	4,565	9,897
Purchased Impaired [Member] | Commercial Real Estate - Owner Occupied [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
30-89 Days Past Due
Greater than 90 Days		193
Current		54
Total		247
Purchased Impaired [Member] | Raw Land and Lots [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
30-89 Days Past Due
Greater than 90 Days		81
Current	2,457	2,861
Total	2,457	2,942
Purchased Impaired [Member] | Single Family Investment Real Estate [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
30-89 Days Past Due
Greater than 90 Days		14
Current	275	312
Total	275	326
Purchased Impaired [Member] | Commercial and Industrial [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
30-89 Days Past Due
Greater than 90 Days		79
Current
Total		79
Purchased Impaired [Member] | Indirect Auto [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
30-89 Days Past Due		3
Greater than 90 Days		2
Current	7	16
Total	7	21
Purchased Impaired [Member] | HELOCs [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
30-89 Days Past Due
Greater than 90 Days	31	51
Current	756	794
Total	787	845
Purchased Impaired [Member] | Other Consumer [Member]
Schedule of purchased impaired commercial and consumer loan portfolios, by class
30-89 Days Past Due	40
Greater than 90 Days
Current	56	105
Total	$ 96	$ 105