Quarterly report pursuant to Section 13 or 15(d)

BORROWINGS (Narrative) (Details)

v3.3.0.814
BORROWINGS (Narrative) (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
item
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Jan. 01, 2014
USD ($)
Remaining available balance for the federal funds lines $ 170,000,000   $ 170,000,000   $ 150,000,000  
Maximum collateral dependent line of credit with the FHLB 1,500,000,000   1,500,000,000   1,400,000,000  
Prepayment penalty     19,600,000      
Prepayment penalty amortization expense 463,000 $ 452,000 1,400,000 $ 1,300,000    
Carrying value of the loans and securities pledged as collateral for FHLB 1,800,000,000   $ 1,800,000,000   $ 1,200,000,000  
Acquisitions, Prior To 2006 [Member]            
Number of bank acquisitions | item     2      
Trust preferred capital notes principal balance     $ 58,500,000      
Subordinated debt interest rate basis     LIBOR plus 1.45%      
Subordinated debt maturity date     Apr. 01, 2016      
Subordinated debt 17,500,000   $ 17,500,000      
LIBOR [Member] | Acquisitions, Prior To 2006 [Member]            
Spread on 3-Month LIBOR     1.45%      
StellarOne Bank [Member]            
Trust preferred capital notes principal balance     $ 32,000,000      
Loans from Other Federal Home Loan Banks 60,000,000   60,000,000     $ 70,000,000
Trust Preferred Capital Notes [Member]            
Trust preferred capital notes principal balance     90,500,000      
Trust Preferred Capital Notes [Member] | StellarOne Bank [Member]            
Remaining fair value discount on acquired notes 7,000,000   7,000,000      
Subordinated Debt [Member] | Acquisitions, Prior To 2006 [Member]            
Remaining fair value discount on acquired notes 285,000   285,000      
Federal Home Loan Bank Advances [Member] | StellarOne Bank [Member]            
Remaining fair value premium on acquired FHLB advances $ 1,400,000   $ 1,400,000