Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS - Narrative (Details)

v3.19.2
ACQUISITIONS - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 01, 2019
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Business Acquisition [Line Items]          
Cash paid in acquisition       $ 12 $ 10,928
Merger-related costs   $ 6,371 $ 8,273 24,493 35,985
Access National Bank          
Business Acquisition [Line Items]          
Number of shares equivalent to each share of acquired entity (shares) 0.75        
Number of common shares issued (shares) 15,842,026        
Consideration transferred, fair value $ 499,974        
Cash paid in acquisition 12        
Merger-related costs   $ 5,800 $ 0 $ 23,600 $ 0
Performing | Access National Bank          
Business Acquisition [Line Items]          
Acquired performing loans, fair value 2,100,000        
Contractually required principal and interest payments 2,500,000        
Contractual cash flows not expected to be collected 17,900        
Nonperforming | Access National Bank          
Business Acquisition [Line Items]          
Fair value of loans acquired with a deterioration of credit quality 33,110        
Contractually required principal and interest payments $ 44,232