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Goodwill and Other Intangible Assets (Details 4) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Goodwill And Other Intangible Assets [Abstract]        
For year ending, December 31, 2013 $ 13,113      
For year ending, December 31, 2014 11,687      
For year ending, December 31, 2015 9,164      
For year ending, December 31, 2016 8,996      
For year ending, December 31, 2017 8,863      
Thereafter 123,015      
Total estimated amortization expense $ 174,838 $ 7,585 $ 8,950 $ 32,264