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 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months $ 5,147,000   $ 5,147,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Two 5,147,000   5,147,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 3,883,000   3,883,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 2,980,000   2,980,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Five 2,980,000   2,980,000    
Goodwill, Purchase Accounting Adjustments         $ 663,000
Goodwill 68,594,000 $ 69,257,000 68,594,000 $ 69,257,000 $ 68,594,000
Amortization of Intangible Assets $ 1,287,000 $ 1,234,000 $ 2,573,000 $ 1,567,000