Annual report pursuant to Section 13 and 15(d)

BORROWINGS (Narrative) (Details)

v3.20.4
BORROWINGS (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 29, 2019
Feb. 01, 2019
Aug. 23, 2012
Dec. 31, 2020
Nov. 30, 2020
Dec. 31, 2019
Subordinated Borrowing [Line Items]            
Remaining available balance for the federal funds lines       $ 847,000   $ 682,000
Maximum collateral dependent line of credit with the FHLB       6,000,000   5,200,000
Subordinated debt redeemed         $ 8,500  
Prepayment of long-term FHLB advances       550,000    
FHLB advances, prepayment penalty $ 7,400   $ 19,600 31,200    
Remaining borrowing capacity       25,000   25,000
Trust Preferred Capital Notes            
Subordinated Borrowing [Line Items]            
Remaining fair value discount on acquired notes       14,100   14,900
Long-term debt borrowings       155,159    
Subordinated Debt            
Subordinated Borrowing [Line Items]            
Remaining fair value discount on acquired notes       1,200   $ 1,400
Long-term debt borrowings       150,000    
StellarOne Bank and Xenith | 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 securities acquired   $ 5,000