Quarterly report pursuant to Section 13 or 15(d)

BORROWINGS (Narrative) (Details)

v3.20.2
BORROWINGS (Narrative) (Details) - USD ($)
$ in Thousands
 9 Months Ended
Aug. 29, 2019
Feb. 01, 2019
Aug. 23, 2012
Sep. 30, 2020
Dec. 31, 2019
Subordinated Borrowing [Line Items]          
Remaining available balance for the federal funds lines       $ 942,000 $ 682,000
Maximum collateral dependent line of credit with the FHLB       5,900,000 5,200,000
Remaining fair value discount on acquired notes       1,200  
Prepayment penalty $ 7,400   $ 19,600    
Remaining borrowing capacity       25,000 25,000
Trust Preferred Capital Notes          
Subordinated Borrowing [Line Items]          
Remaining fair value discount on acquired notes       14,300  
Long-term debt borrowings       155,159  
Subordinated Debt          
Subordinated Borrowing [Line Items]          
Remaining fair value discount on acquired notes         $ 1,400
Long-term debt borrowings       158,500  
PPPLF Advances          
Subordinated Borrowing [Line Items]          
Long-term debt borrowings       189,945  
Remaining borrowing capacity       1,400,000  
StellarOne Bank and Xenith [Member] | Trust Preferred Capital Notes          
Subordinated Borrowing [Line Items]          
Trust preferred capital notes principal balance       58,500  
Trust preferred securities acquired       $ 87,000  
Access National Bank          
Subordinated Borrowing [Line Items]          
Trust preferred capital notes principal balance   $ 5,000