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Other Income, Net (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Other Income, Net [Abstract]        
Gain on expiration/settlement of customer advances $ 1,393 $ 4,335 $ 3,345 $ 7,798
Split dollar life insurance proceeds     2,263  
All other, net (251) (56) (149) (1,221)
Total other income, net $ 1,142 $ 4,279 $ 5,459 $ 6,577