v2.4.0.6
Segment Reporting (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
segment
Mar. 31, 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
Intangibles, net 6,973   7,406
Deposits 2,494,789   2,658,851
Total assets 3,123,928   3,325,786
Income Statement Information      
Net interest income (expense) 36,899 30,629  
Provision for loan losses 4,109 4,003  
Noninterest Income 2,914 3,983  
Noninterest Expense 20,517 21,364  
Income before income tax expense 15,187 9,245  
Banking
      
Segment Reporting Information [Line Items]      
Total assets 3,005,483   3,195,096
Income Statement Information      
Net interest income (expense) 37,857 31,811  
Provision for loan losses 4,109 4,003  
Noninterest Income 45 1,892  
Noninterest Expense 16,768 18,059  
Income before income tax expense 17,025 11,641  
Wealth Management
      
Segment Reporting Information [Line Items]      
Total assets 102,194   112,020
Income Statement Information      
Net interest income (expense) 7 (128)  
Provision for loan losses 0 0  
Noninterest Income 2,794 2,053  
Noninterest Expense 2,056 1,873  
Income before income tax expense 745 52  
Corporate and Intercompany
      
Segment Reporting Information [Line Items]      
Total assets 16,251   18,670
Income Statement Information      
Net interest income (expense) (965) (1,054)  
Provision for loan losses 0 0  
Noninterest Income 75 38  
Noninterest Expense 1,693 1,432  
Income before income tax expense $ (2,583) $ (2,448)