Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING DISCLOSURES (Information About Reportable Segments and Reconciliation) (Details)

v3.5.0.2
SEGMENT REPORTING DISCLOSURES (Information About Reportable Segments and Reconciliation) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Segment Reporting Information [Line Items]          
Net interest income $ 67,028 $ 63,444 $ 196,535 $ 189,229  
Provision for credit losses 2,472 2,062 7,376 7,561  
Net interest income after provision for credit losses 64,556 61,382 189,159 181,668  
Noninterest income 18,950 16,725 52,857 47,990  
Noninterest expenses 56,913 53,325 166,436 162,405  
Income before income taxes 26,593 24,782 75,580 67,253  
Income tax expense 6,192 6,566 18,881 17,989  
Net income (loss) 20,401 18,216 56,699 49,264  
Total assets 8,258,230 7,594,313 8,258,230 7,594,313 $ 7,693,291
Operating Segments | Community Bank          
Segment Reporting Information [Line Items]          
Net interest income 66,605 63,075 195,508 188,240  
Provision for credit losses 2,455 2,000 7,215 7,450  
Net interest income after provision for credit losses 64,150 61,075 188,293 180,790  
Noninterest income 15,589 14,287 44,137 40,658  
Noninterest expenses 54,353 50,674 158,964 154,011  
Income before income taxes 25,386 24,688 73,466 67,437  
Income tax expense 5,770 6,531 18,145 18,060  
Net income (loss) 19,616 18,157 55,321 49,377  
Total assets 8,251,351 7,588,606 8,251,351 7,588,606  
Operating Segments | Mortgage          
Segment Reporting Information [Line Items]          
Net interest income 423 369 1,027 989  
Provision for credit losses 17 62 161 111  
Net interest income after provision for credit losses 406 307 866 878  
Noninterest income 3,501 2,608 9,185 7,844  
Noninterest expenses 2,700 2,821 7,937 8,906  
Income before income taxes 1,207 94 2,114 (184)  
Income tax expense 422 35 736 (71)  
Net income (loss) 785 59 1,378 (113)  
Total assets 90,692 62,127 90,692 62,127  
Eliminations          
Segment Reporting Information [Line Items]          
Net interest income 0 0 0 0  
Provision for credit losses 0 0 0 0  
Net interest income after provision for credit losses 0 0 0 0  
Noninterest income (140) (170) (465) (512)  
Noninterest expenses (140) (170) (465) (512)  
Income before income taxes 0 0 0 0  
Income tax expense 0 0 0 0  
Net income (loss) 0 0 0 0  
Total assets $ (83,813) $ (56,420) $ (83,813) $ (56,420)