Benefit Plans (Components of shares eligible to be issued under the Directors Plan) (Details) (Director [Member], USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Components of shares eligible to be issued under the Directors Plan    
Eligible Shares 185,311 170,566
Market Value $ 4,419 $ 3,710
Unissued Shares [Member]
   
Components of shares eligible to be issued under the Directors Plan    
Eligible Shares 172,550 165,436
Market Value 4,115 3,598
Shares Held in Rabbi Trust [Member]
   
Components of shares eligible to be issued under the Directors Plan    
Eligible Shares 12,761 5,130
Market Value $ 304 $ 112