Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net and Goodwill (Narrative) (Details)

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Intangible Assets, Net and Goodwill (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]      
Amortization of Intangible Assets $ 1,286,000 $ 1,287,000  
Goodwill $ 68,594,000 $ 68,594,000 $ 68,594,000