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Fixed Assets
3 Months Ended
Mar. 31, 2013
Fixed Assets [Abstract]  
Fixed Assets

6. Fixed Assets

Fixed assets consisted of the following at (in thousands):

March 31, December 31,
2013 2012 2012
Fixed assets, at cost $ 219,230 $ 192,265 $ 211,089
Less accumulated depreciation and amortization 106,447 96,827 103,153
Fixed assets, net $ 112,783 $ 95,438 $ 107,936