v3.5.0.2
Segment Reporting - Key Operating Results of Business Segments (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Segment Reporting Information [Line Items]          
Interest income $ 26,004 $ 17,108 $ 72,275 $ 45,259  
Interest expense 2,841 1,647 7,830 4,503  
Net interest income 23,163 15,461 64,445 40,756  
Provision for loan losses 1,231 570 2,881 1,473 $ 2,673
Noninterest income 15,079 6,868 26,974 19,492  
Noninterest expense 21,536 16,956 60,803 44,288  
Income before taxes on income 15,475 4,803 27,735 14,487  
Operating Segments | Banking          
Segment Reporting Information [Line Items]          
Interest income 26,004 17,108 72,275 45,259  
Interest expense 2,841 1,509 7,830 3,829  
Net interest income 23,163 15,599 64,445 41,430  
Provision for loan losses 1,231 570 2,881 1,473  
Noninterest income 9,923 1,839 11,505 4,501  
Noninterest expense 16,134 11,653 43,746 28,138  
Income before taxes on income 15,721 5,215 29,323 16,320  
Operating Segments | Wealth Management          
Segment Reporting Information [Line Items]          
Noninterest income 5,319 5,171 15,917 15,426  
Noninterest expense 4,697 4,685 14,536 13,950  
Income before taxes on income 622 486 1,381 1,476  
Other          
Segment Reporting Information [Line Items]          
Interest expense   138   674  
Net interest income   (138)   (674)  
Noninterest income (163) (142) (448) (435)  
Noninterest expense 705 618 2,521 2,200  
Income before taxes on income $ (868) $ (898) $ (2,969) $ (3,309)