| 
           BORROWINGS (Trust Preferred Capital Notes Qualify for Tier 1 Capital) (Details) (USD $) 
         | 
        9 Months Ended | 4 Months Ended | 9 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 
           Sep. 30, 2014 
         | 
        
           Dec. 31, 2013 
         | 
        
           Sep. 30, 2014
 
          Statutory Trust I [Member] 
         | 
        
           Sep. 30, 2014
 
          Statutory Trust II [Member] 
         | 
        
           Sep. 30, 2014
 
          VFG Limited Liability Trust I Indenture [Member] 
         | 
        
           Sep. 30, 2014
 
          FNB Statutory Trust II Indenture [Member] 
         | 
        
           Sep. 30, 2014
 
          Trust Preferred Capital Notes [Member] 
         | 
        
           Sep. 30, 2014
 
          LIBOR [Member] 
         | 
        
           Sep. 30, 2014
 
          LIBOR [Member]
 
          Statutory Trust I [Member] 
         | 
        
           Sep. 30, 2014
 
          LIBOR [Member]
 
          Statutory Trust II [Member] 
         | 
        
           Sep. 30, 2014
 
          LIBOR [Member]
 
          VFG Limited Liability Trust I Indenture [Member] 
         | 
        
           Sep. 30, 2014
 
          LIBOR [Member]
 
          FNB Statutory Trust II Indenture [Member] 
         | 
      ||||||||
| Trust preferred capital notes qualify for Tier 1 capital | |||||||||||||||||||
| Trust preferred capital notes principal balance | $ 22,500,000 | $ 36,000,000 | $ 20,000,000 | $ 12,000,000 | $ 90,500,000 | ||||||||||||||
| Investment | $ 223,821,000 | $ 149,435,000 | $ 696,000 | [1] | $ 1,114,000 | [1] | $ 619,000 | [1] | $ 372,000 | [1] | $ 2,801,000 | [1] | |||||||
| Spread to 3-Month LIBOR | 1.50% | 2.75% | 1.40% | 2.73% | 3.10% | ||||||||||||||
| Rate | 2.99% | 1.64% | 2.97% | 3.34% | |||||||||||||||
| Maturity | Jun. 17, 2034 | Jun. 15, 2036 | Mar. 18, 2034 | Jun. 26, 2033 | |||||||||||||||
          
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