v2.4.0.8
Segment Reporting - Key Operating Results of Business Segments (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]          
Interest income $ 12,384 $ 9,524 $ 33,990 $ 28,878  
Interest expense 1,237 886 3,277 2,560  
Net interest income 11,147 8,638 30,713 26,318  
Provision for loan losses 0 445 235 1,753 2,395
Noninterest income 6,737 5,088 18,704 14,831  
Noninterest expense 13,095 10,938 39,512 32,359  
Income (loss) before taxes on income 4,789 2,343 9,670 7,037  
Operating Segments | Banking
          
Segment Reporting Information [Line Items]          
Interest income 12,384 9,524 33,990 28,878  
Interest expense 1,014 807 2,753 2,417  
Net interest income 11,370 8,717 31,237 26,461  
Provision for loan losses 0 445 235 1,753  
Noninterest income 1,765 953 4,694 2,829  
Noninterest expense 8,216 6,048 22,773 17,922  
Income (loss) before taxes on income 4,919 3,177 12,923 9,615  
Operating Segments | Wealth Management
          
Segment Reporting Information [Line Items]          
Provision for loan losses 0 0 0 0  
Noninterest income 5,113 4,233 14,400 12,292  
Noninterest expense 4,351 4,408 13,576 13,017  
Income (loss) before taxes on income 762 (175) 824 (725)  
Corporate Joint And Intersegment Elimination
          
Segment Reporting Information [Line Items]          
Interest expense 223 79 524 143  
Net interest income (223) (79) (524) (143)  
Provision for loan losses 0 0 0 0  
Noninterest income (141) (98) (390) (290)  
Noninterest expense 528 482 3,163 1,420  
Income (loss) before taxes on income $ (892) $ (659) $ (4,077) $ (1,853)