Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	$ 0
Business Combination, Contingent Consideration, Liability	232,044	$ 347,104
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Other Adjustments	(6,412)	0
Fixed payments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Combination, Contingent Consideration, Liability	2,217	40,370
Common Stock [Member] | Common Class A [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stock Issued During Period, Value, New Issues	$ 5,585
Stock Issued During Period, Shares, New Issues	237,013
Share Capital To Be Issued [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Common Stock, Value, To be Issued	$ 2,360
Common Stock, Shares, To be Issued	100,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	$ 0
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	0
Share Capital To Be Issued [Member] | Common Class A [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stock Authorized During Period, Value, To be Issued	$ 2,360
Common Stock, Value, To be Issued	$ 2,360	$ 0
Stock Authorized During Period, Shares, To be Issued	100,000
Common Stock, Shares, To be Issued	100,000	0
Contingent Consideration, Liability Settlements [Domain]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stock Issued During Period, Value, New Issues	$ 7,945