Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
SEGMENT REPORTING DISCLOSURES (Information About Reportable Segments and Reconciliation) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Segment Reporting Information [Line Items]          
Net interest income $ 71,198 $ 67,028 $ 206,765 $ 196,535  
Provision for credit losses 3,050 2,472 7,345 7,376  
Net interest income after provision for credit losses 68,148 64,556 199,420 189,159  
Noninterest income 17,536 18,950 54,430 52,857  
Noninterest expenses 57,496 56,913 174,821 166,436  
Income before income taxes 28,188 26,593 79,029 75,580  
Income tax expense 7,530 6,192 21,292 18,881  
Net income 20,658 20,401 57,737 56,699  
Total assets 9,029,436 8,258,230 9,029,436 8,258,230 $ 8,426,793
Operating Segments | Community Bank          
Segment Reporting Information [Line Items]          
Net interest income 70,718 66,605 205,534 195,508  
Provision for credit losses 3,056 2,455 7,344 7,215  
Net interest income after provision for credit losses 67,662 64,150 198,190 188,293  
Noninterest income 15,121 15,589 47,080 44,137  
Noninterest expenses 55,133 54,353 167,643 158,964  
Income before income taxes 27,650 25,386 77,627 73,466  
Income tax expense 7,339 5,770 20,791 18,145  
Net income 20,311 19,616 56,836 55,321  
Total assets 9,020,486 8,251,351 9,020,486 8,251,351  
Operating Segments | Mortgage          
Segment Reporting Information [Line Items]          
Net interest income 480 423 1,231 1,027  
Provision for credit losses (6) 17 1 161  
Net interest income after provision for credit losses 486 406 1,230 866  
Noninterest income 2,527 3,501 7,743 9,185  
Noninterest expenses 2,475 2,700 7,571 7,937  
Income before income taxes 538 1,207 1,402 2,114  
Income tax expense 191 422 501 736  
Net income 347 785 901 1,378  
Total assets 97,154 90,692 97,154 90,692  
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 (112) (140) (393) (465)  
Noninterest expenses (112) (140) (393) (465)  
Income before income taxes 0 0 0 0  
Income tax expense 0 0 0 0  
Net income 0 0 0 0  
Total assets $ (88,204) $ (83,813) $ (88,204) $ (83,813)