Quarterly report pursuant to Section 13 or 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Purchased Impaired Commercial and Consumer Loan Portfolios by Class) (Details)

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LOANS AND ALLOWANCE FOR LOAN LOSSES (Purchased Impaired Commercial and Consumer Loan Portfolios by Class) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2012
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current $ 5,071,331 $ 2,994,187    
Total 138,431 3,622 4,019  
Commercial Construction [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 322,976 212,079    
Total 3,877       
Commercial Real Estate - Owner Occupied [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 851,253 497,955    
Total 30,768       
Commercial Real Estate - Non-Owner Occupied [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 1,412,464 753,507    
Total 43,986       
Raw Land and Lots [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 211,478 181,045    
Total 13,529 2,457    
Single Family Investment Real Estate [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 357,555 233,053    
Total 21,055 275    
Commercial and Industrial [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 379,671 211,134    
Total 4,940       
Other Commercial [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 78,020 52,226    
Total 2,136       
Indirect Auto [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 173,796 171,998    
Total    7    
Mortgage [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 480,131 225,649    
Total 11,632       
HELOCs [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 485,763 277,013    
Total 2,993 787    
Other Consumer [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
Current 210,298 69,174    
Total 3,515 96    
Purchased Impaired [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
30-89 Days Past Due 13,637 40    
Greater than 90 Days 12,649 31    
Current 112,145 3,551    
Total 138,431 3,622 4,019 4,565
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 1,608      
Current 2,269      
Total 3,877      
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 1,504      
Greater than 90 Days 830      
Current 28,434      
Total 30,768      
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 3,500      
Greater than 90 Days 2,150      
Current 38,336      
Total 43,986      
Purchased Impaired [Member] | Raw Land and Lots [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
30-89 Days Past Due 1,096       
Greater than 90 Days 17       
Current 12,416 2,457    
Total 13,529 2,457    
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 3,599       
Greater than 90 Days 803       
Current 16,653 275    
Total 21,055 275    
Purchased Impaired [Member] | Commercial and Industrial [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
30-89 Days Past Due 727      
Greater than 90 Days 558      
Current 3,655      
Total 4,940      
Purchased Impaired [Member] | Other Commercial [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
30-89 Days Past Due 238      
Greater than 90 Days 690      
Current 1,208      
Total 2,136      
Purchased Impaired [Member] | Indirect Auto [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
30-89 Days Past Due         
Greater than 90 Days         
Current   7    
Total   7    
Purchased Impaired [Member] | Mortgage [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
30-89 Days Past Due 2,286      
Greater than 90 Days 4,424      
Current 4,922      
Total 11,632      
Purchased Impaired [Member] | HELOCs [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
30-89 Days Past Due 266       
Greater than 90 Days 787 31    
Current 1,940 756    
Total 2,993 787    
Purchased Impaired [Member] | Other Consumer [Member]
        
Schedule of purchased impaired commercial and consumer loan portfolios, by class        
30-89 Days Past Due 421 40    
Greater than 90 Days 782       
Current 2,312 56    
Total $ 3,515 $ 96