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
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Segment Reporting Information [Line Items]      
Net interest income $ 103,747 $ 66,567  
Provision for credit losses 3,500 2,122  
Net interest income after provision for credit losses 100,247 64,445  
Noninterest income 22,309 18,839  
Noninterest expenses 104,008 57,395  
Income before income taxes 18,548 25,889  
Income tax expense 1,909 6,765  
Net income 16,639 19,124  
Total assets 13,149,292 8,669,920 $ 9,315,179
Operating Segments | Community Bank      
Segment Reporting Information [Line Items]      
Net interest income 103,314 66,234  
Provision for credit losses 3,524 2,104  
Net interest income after provision for credit losses 99,790 64,130  
Noninterest income 20,157 16,757  
Noninterest expenses 101,669 55,014  
Income before income taxes 18,278 25,873  
Income tax expense 1,847 6,753  
Net income 16,431 19,120  
Total assets 13,140,316 8,660,987  
Operating Segments | Mortgage      
Segment Reporting Information [Line Items]      
Net interest income 433 333  
Provision for credit losses (24) 18  
Net interest income after provision for credit losses 457 315  
Noninterest income 2,278 2,223  
Noninterest expenses 2,465 2,522  
Income before income taxes 270 16  
Income tax expense 62 12  
Net income 208 4  
Total assets 100,587 76,818  
Eliminations      
Segment Reporting Information [Line Items]      
Net interest income 0 0  
Provision for credit losses 0 0  
Net interest income after provision for credit losses 0 0  
Noninterest income (126) (141)  
Noninterest expenses (126) (141)  
Income before income taxes 0 0  
Income tax expense 0 0  
Net income 0 0  
Total assets $ (91,611) $ (67,885)