Annual report pursuant to Section 13 and 15(d)

SECURITIES (Narrative) (Details)

v3.3.1.900
SECURITIES (Narrative) (Details)
3 Months Ended 12 Months Ended
Sep. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
item
Schedule of Investments [Line Items]          
Federal Home Loan Bank requires Bank to maintain percentage of stock equal to outstanding borrowings       4.25% 4.50%
Percentage of Federal Reserve Bank of Richmond reserve       6.00% 6.00%
Restricted equity securities consist of Federal Reserve Bank stock       $ 23,800,000 $ 23,800,000
Federal Home Loan Bank Stock       28,000,000 31,000,000
Securities in a continuous loss position, more than 12 months, unrealized losses       1,382,000 1,134,000
Individual securities that had been in a continuous loss position for more than 12 months, amount       46,168,000 96,404,000
Transfer from securities available for sale to securities held to maturity   $ 201,800,000   201,822,000  
Held to maturity securities unrealized gains before tax   $ 8,100,000   6,800,000  
Credit-related OTTI $ 300,000   $ 400,000 $ 300,000  
OTTI recovery amount         $ 400,000
Available-for-sale Securities [Member]          
Schedule of Investments [Line Items]          
Individual securities that had been in a continuous loss position | item       20 60