Quarterly report pursuant to Section 13 or 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Aging of the Acquired with Deteriorated Credit Quality Loan Portfolio by Class) (Details)

v3.3.0.814
LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Aging of the Acquired with Deteriorated Credit Quality Loan Portfolio by Class) (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current $ 5,424,509 $ 5,172,879  
Total 78,606 105,788 $ 119,743
Commercial Construction [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 424,978 335,715  
Total 2,459 3,782  
Commercial Real Estate - Owner Occupied [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 828,874 839,370  
Total 28,695 31,167  
Commercial Real Estate - Non-Owner Occupied [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 1,567,415 1,470,076  
Total 15,172 28,869  
Raw Land and Lots [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 181,455 201,056  
Total 5,141 7,427  
Single Family Investment Real Estate [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 419,217 389,648  
Total 15,167 16,879  
Commercial and Industrial [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 439,136 384,307  
Total 2,249 3,855  
Other Commercial [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 87,847 78,732  
Total 793 2,256  
Indirect Auto [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current $ 216,134 $ 197,238  
Total  
Mortgage [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current $ 450,142 $ 447,026  
Total 5,561 7,394  
Consumer Construction [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 54,398 72,688  
Total 251 516  
HELOCs [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 485,220 493,464  
Total 1,812 2,000  
Other Consumer [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
Current 227,174 197,054  
Total 1,306 1,643  
Purchased Impaired [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due 4,978 6,181  
Greater than 90 Days 5,739 10,013  
Current 67,889 89,594  
Total $ 78,606 $ 105,788  
Purchased Impaired [Member] | Commercial Construction [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due  
Greater than 90 Days $ 459 $ 652  
Current 2,000 3,130  
Total 2,459 3,782  
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 1,024 1,138  
Greater than 90 Days 1,752 843  
Current 25,919 29,186  
Total 28,695 31,167  
Purchased Impaired [Member] | Commercial Real Estate - Non-Owner Occupied [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due 1,202 523  
Greater than 90 Days 392 1,255  
Current 13,578 27,091  
Total 15,172 28,869  
Purchased Impaired [Member] | Raw Land and Lots [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due 196 $ 522  
Greater than 90 Days 70  
Current 4,875 $ 6,905  
Total 5,141 7,427  
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 1,225 1,327  
Greater than 90 Days 646 1,311  
Current 13,296 14,241  
Total 15,167 16,879  
Purchased Impaired [Member] | Commercial and Industrial [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due 412 144  
Greater than 90 Days 69 538  
Current 1,768 3,173  
Total 2,249 3,855  
Purchased Impaired [Member] | Other Commercial [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due 31 107  
Greater than 90 Days 63 1,133  
Current 699 1,016  
Total 793 2,256  
Purchased Impaired [Member] | Mortgage [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due 597 1,975  
Greater than 90 Days 1,612 2,866  
Current 3,352 2,553  
Total $ 5,561 $ 7,394  
Purchased Impaired [Member] | Consumer Construction [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due  
Greater than 90 Days $ 251 $ 516  
Current    
Total 251 $ 516  
Purchased Impaired [Member] | HELOCs [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due 244 356  
Greater than 90 Days 365 728  
Current 1,203 916  
Total 1,812 2,000  
Purchased Impaired [Member] | Other Consumer [Member]      
Schedule of purchased impaired commercial and consumer loan portfolios, by class      
30-89 Days Past Due 47 89  
Greater than 90 Days 60 171  
Current 1,199 1,383  
Total $ 1,306 $ 1,643