v2.4.0.8
Segment Reporting (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
segment
Sep. 30, 2012
Dec. 31, 2012
Segment Reporting [Abstract]          
Number of Primary Operating Segments     2    
Number of Reportable Segments     2    
Segment Reporting Information [Line Items]          
Goodwill $ 30,334   $ 30,334   $ 30,334
Intangibles, net 6,136   6,136   7,406
Deposits 2,447,917   2,447,917   2,658,851
Total assets 3,108,062   3,108,062   3,325,786
Income Statement Information          
Net interest income (expense) 32,574 37,484 102,781 102,246  
Provision for loan losses 2,159 11,937 (305) 16,221  
Noninterest Income 3,716 7,832 4,953 12,660  
Noninterest Expense 21,240 21,282 63,136 64,060  
Income before income tax expense 12,891 12,097 44,903 34,625  
Banking
          
Segment Reporting Information [Line Items]          
Total assets 2,994,008   2,994,008   3,195,096
Income Statement Information          
Net interest income (expense) 33,476 38,627 105,738 105,646  
Provision for loan losses 2,159 11,937 (305) 16,221  
Noninterest Income 1,684 5,418 (1,758) 5,571  
Noninterest Expense 17,898 18,063 53,137 54,424  
Income before income tax expense 15,103 14,045 51,148 40,572  
Wealth Management
          
Segment Reporting Information [Line Items]          
Total assets 96,943   96,943   112,020
Income Statement Information          
Net interest income (expense) (166) (252) (292) (566)  
Provision for loan losses 0 0 0 0  
Noninterest Income 2,006 2,088 6,611 6,718  
Noninterest Expense 1,809 1,968 5,644 5,761  
Income before income tax expense 31 (132) 675 391  
Corporate and Intercompany
          
Segment Reporting Information [Line Items]          
Total assets 17,111   17,111   18,670
Income Statement Information          
Net interest income (expense) (736) (891) (2,665) (2,834)  
Provision for loan losses 0 0 0 0  
Noninterest Income 26 326 100 371  
Noninterest Expense 1,533 1,251 4,355 3,875  
Income before income tax expense $ (2,243) $ (1,816) $ (6,920) $ (6,338)