Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS (Narrative) (Details)

v3.3.0.814
INTANGIBLE ASSETS (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Jan. 01, 2014
Finite-Lived Intangible Assets [Line Items]              
Intangible assets, amortization expense $ 2,074   $ 2,391 $ 6,435 $ 7,462 $ 9,800  
Impairment charges   $ 0          
Core deposit intangibles, net 25,320   $ 34,089 25,320 $ 34,089 31,755  
Goodwill $ 293,522     $ 293,522   $ 293,522  
Core Deposits [Member] | Minimum [Member]              
Finite-Lived Intangible Assets [Line Items]              
Intangible assets, amortization period       4 years      
Core Deposits [Member] | Maximum [Member]              
Finite-Lived Intangible Assets [Line Items]              
Intangible assets, amortization period       14 years      
StellarOne Bank [Member]              
Finite-Lived Intangible Assets [Line Items]              
Core deposit intangibles, net             $ 29,600
Goodwill             $ 234,100