Annual report pursuant to Section 13 and 15(d)

BORROWINGS (Trust Preferred Capital Notes Qualify for Tier 1 Capital) (Details)

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BORROWINGS (Trust Preferred Capital Notes Qualify for Tier 1 Capital) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Trust preferred capital notes qualify for Tier 1 capital    
Investment $ 250,210 $ 102,871
Statutory Trust    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance 22,500  
Investment $ 696  
Rate 5.56%  
Maturity Date Jun. 17, 2034  
Statutory Trust II    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance $ 36,000  
Investment $ 1,114  
Rate 4.21%  
Maturity Date Jun. 15, 2036  
VFG Limited Liability Trust I Indenture    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance $ 20,000  
Investment $ 619  
Rate 5.54%  
Maturity Date Mar. 18, 2034  
FNB Statutory Trust II Indenture    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance $ 12,000  
Investment $ 372  
Rate 5.91%  
Maturity Date Jun. 26, 2033  
Gateway Capital Statutory Trust I    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance $ 8,000  
Investment $ 248  
Rate 5.91%  
Maturity Date Sep. 17, 2033  
Gateway Capital Statutory Trust II    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance $ 7,000  
Investment $ 217  
Rate 5.46%  
Maturity Date Jun. 17, 2034  
Gateway Capital Statutory Trust III    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance $ 15,000  
Investment $ 464  
Rate 4.31%  
Maturity Date May 30, 2036  
Gateway Capital Statutory Trust IV    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance $ 25,000  
Investment $ 774  
Rate 4.36%  
Maturity Date Jul. 30, 2037  
Trust Preferred Capital Notes    
Trust preferred capital notes qualify for Tier 1 capital    
Trust preferred capital notes principal balance $ 145,500  
Investment $ 4,504  
LIBOR | Statutory Trust    
Trust preferred capital notes qualify for Tier 1 capital    
Spread on LIBOR 2.75%  
LIBOR | Statutory Trust II    
Trust preferred capital notes qualify for Tier 1 capital    
Spread on LIBOR 1.40%  
LIBOR | VFG Limited Liability Trust I Indenture    
Trust preferred capital notes qualify for Tier 1 capital    
Spread on LIBOR 2.73%  
LIBOR | FNB Statutory Trust II Indenture    
Trust preferred capital notes qualify for Tier 1 capital    
Spread on LIBOR 3.10%  
LIBOR | Gateway Capital Statutory Trust I    
Trust preferred capital notes qualify for Tier 1 capital    
Spread on LIBOR 3.10%  
LIBOR | Gateway Capital Statutory Trust II    
Trust preferred capital notes qualify for Tier 1 capital    
Spread on LIBOR 2.65%  
LIBOR | Gateway Capital Statutory Trust III    
Trust preferred capital notes qualify for Tier 1 capital    
Spread on LIBOR 1.50%  
LIBOR | Gateway Capital Statutory Trust IV    
Trust preferred capital notes qualify for Tier 1 capital    
Spread on LIBOR 1.55%