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 6 Months Ended
Jun. 30, 2016
Jun. 30, 2016
Dec. 31, 2015
Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 1,287,000 $ 2,573,000    
Goodwill $ 68,594,000 $ 68,594,000 $ 68,594,000 $ 68,594,000