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Other Assets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Capitalized Computer Software, Net $ 13,660 $ 11,037
technologylicenseasset 2,350 2,800
Deposits Assets, Noncurrent   694
Non-current deferred service billings receviable 682  
Other Assets, Miscellaneous, Noncurrent 1,245 1,247
Other Assets, Noncurrent 17,937 15,778
Capitalized Computer Software, Accumulated Amortization $ 10,547 $ 7,329