Quarterly report pursuant to Section 13 or 15(d)

ACCOUNTING POLICIES (Narrative) (Details)

v3.20.2
ACCOUNTING POLICIES (Narrative) (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 09, 2020
USD ($)
Feb. 01, 2019
USD ($)
shares
Jun. 30, 2020
USD ($)
loan
Jun. 30, 2020
USD ($)
item
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Accounting Policies [Line Items]            
Number of bank branches | item       149    
Number of ATM's | item       170    
Goodwill     $ 935,560 $ 935,560   $ 935,560
Cash paid in acquisition       0 $ 12  
Issuance of preferred stock     173 173   $ 0
Net proceeds from issuance of preferred stock       166,363 $ 0  
Available-for-sale Securities            
Accounting Policies [Line Items]            
Accrued interest receivable     45,700 45,700    
Held-to-maturity Securities            
Accounting Policies [Line Items]            
Accrued interest receivable     6,800 6,800    
Access National Bank            
Accounting Policies [Line Items]            
Number of shares equivalent to each share of acquired entity | shares   0.75        
Company's common shares issued | shares   15,842,026        
Cash paid in acquisition   $ 12        
Paycheck Protection Program (PPP)            
Accounting Policies [Line Items]            
Total value loans approved by SBA under the CARES Act     1,800,000 1,800,000    
Loans issued under the CARES Act     1,700,000 1,700,000    
Loans, recorded investment under the CARES Act     1,600,000 $ 1,600,000    
Loan origination fees Under the CARES Act     $ 50,200      
Paycheck Protection Program (PPP) | Minimum            
Accounting Policies [Line Items]            
Number of loans processed under the CARES Act | loan     11,000      
Series A Preferred Stock            
Accounting Policies [Line Items]            
Net proceeds from issuance of preferred stock $ 166,400