Quarterly report pursuant to Section 13 or 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Aging of the Loan Portfolio by Class) (Details)

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LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Aging of the Loan Portfolio by Class) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2012
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due $ 18,607 $ 18,838  
60-89 Days Past Due 4,822 4,677  
Greater Than 90 Days and still Accruing 6,291 8,843 10,800
Purchased Impaired (net of credit mark) 3,973 4,565 6,775
Nonaccrual 27,022 26,206  
Current 2,940,140 2,903,718  
Total Loans 3,000,855 2,966,847 2,887,790
Commercial Construction [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 709     
60-89 Days Past Due        
Greater Than 90 Days and still Accruing        
Purchased Impaired (net of credit mark)        
Nonaccrual 5,103 5,781  
Current 201,182 196,563  
Total Loans 206,994 202,344  
Commercial Real Estate - Owner Occupied [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 1,202 2,105  
60-89 Days Past Due 244 153  
Greater Than 90 Days and still Accruing 719 1,711  
Purchased Impaired (net of credit mark) 211 247  
Nonaccrual 2,102 2,206  
Current 511,825 507,249  
Total Loans 516,303 513,671  
Commercial Real Estate - Non Owner Occupied [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 3,735 866  
60-89 Days Past Due 184 63  
Greater Than 90 Days and still Accruing    207  
Purchased Impaired (net of credit mark)        
Nonaccrual 614 812  
Current 728,063 680,812  
Total Loans 732,596 682,760  
Raw Land and Lots [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 285 277  
60-89 Days Past Due        
Greater Than 90 Days and still Accruing 43 75  
Purchased Impaired (net of credit mark) 2,529 2,942  
Nonaccrual 4,573 8,760  
Current 175,199 193,672  
Total Loans 182,629 205,726  
Single Family Investment Real Estate [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 1,220 1,819  
60-89 Days Past Due 489 261  
Greater Than 90 Days and still Accruing 212 756  
Purchased Impaired (net of credit mark) 299 326  
Nonaccrual 2,859 3,420  
Current 232,996 226,813  
Total Loans 238,075 233,395  
Commercial and Industrial [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 225 506  
60-89 Days Past Due 176 270  
Greater Than 90 Days and still Accruing 379 441  
Purchased Impaired (net of credit mark)    79  
Nonaccrual 7,291 2,036  
Current 192,243 214,329  
Total Loans 200,314 217,661  
Other Commercial [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 16 70  
60-89 Days Past Due    182  
Greater Than 90 Days and still Accruing    1  
Purchased Impaired (net of credit mark)        
Nonaccrual 471 193  
Current 54,116 47,105  
Total Loans 54,603 47,551  
Mortgage [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 5,182 5,610  
60-89 Days Past Due 2,593 2,244  
Greater Than 90 Days and still Accruing 2,091 3,017  
Purchased Impaired (net of credit mark)        
Nonaccrual 1,485 747  
Current 214,497 208,949  
Total Loans 225,848 220,567  
Consumer Construction [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 208 157  
60-89 Days Past Due        
Greater Than 90 Days and still Accruing        
Purchased Impaired (net of credit mark)        
Nonaccrual 228 235  
Current 40,724 33,577  
Total Loans 41,160 33,969  
Indirect Auto [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 1,482 2,504  
60-89 Days Past Due 302 276  
Greater Than 90 Days and still Accruing 327 329  
Purchased Impaired (net of credit mark) 14 21  
Nonaccrual        
Current 166,760 154,388  
Total Loans 168,885 157,518  
Indirect Marine [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 586 67  
60-89 Days Past Due        
Greater Than 90 Days and still Accruing 114 114  
Purchased Impaired (net of credit mark)        
Nonaccrual 158 158  
Current 38,152 36,247  
Total Loans 39,010 36,586  
HELOCs [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 1,560 3,063  
60-89 Days Past Due 333 640  
Greater Than 90 Days and still Accruing 1,062 1,239  
Purchased Impaired (net of credit mark) 818 845  
Nonaccrual 1,665 1,325  
Current 275,010 280,980  
Total Loans 280,448 288,092  
Credit Card [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 134 269  
60-89 Days Past Due 207 101  
Greater Than 90 Days and still Accruing 183 397  
Purchased Impaired (net of credit mark)        
Nonaccrual        
Current 21,354 21,201  
Total Loans 21,878 21,968  
Other Consumer [Member]
      
Summary of aging of the loan portfolio, by class      
30-59 Days Past Due 2,063 1,525  
60-89 Days Past Due 294 487  
Greater Than 90 Days and still Accruing 1,161 556  
Purchased Impaired (net of credit mark) 102 105  
Nonaccrual 473 533  
Current 88,019 101,833  
Total Loans $ 92,112 $ 105,039