Fair Value Measurement - Schedule of Unobservable Fair Value Inputs (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of December 31, 2016			$ (19,283,000)
Change in fair value	$ (1,884,000)	$ (7,276,000)	(844,000)	$ (9,187,000)
Foreign exchange impact(2)			2,699,352
Balance as of June 30, 2017	0		0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of December 31, 2016			(19,283,000)
Reclassification to Due to seller			17,842,000
Contingent Consideration paid in cash			2,089,000
Contingent Consideration paid in stock			259,000
Foreign exchange impact(2)			(63,000)
Balance as of June 30, 2017	$ 0		$ 0