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Business Changes and Developments Annual Amortization of Intangibles for Next Five Years (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Business Combinations [Abstract]  
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months $ 11,680
Finite-Lived Intangible Assets, Amortization Expense, Year Two 9,833
Finite-Lived Intangible Assets, Amortization Expense, Year Three 9,201
Finite-Lived Intangible Assets, Amortization Expense, Year Four 7,868
Finite-Lived Intangible Assets, Amortization Expense, Year Five $ 1,182