Collaborative Arrangements (Tables)
 12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of collaborative arrangement summary of items related to variable interest entities
An aggregate summary of net loss attributable to noncontrolling interest related to the Company’s VIEs for the years ended December 31, 2018 and 2017 was as follows:
 
2018
 
2017
 
(in thousands)
Loss attributable to noncontrolling interest before benefit from income taxes and changes in fair value of contingent payments
$
31,191

 
$
223,379

Benefit from income taxes
(3,668
)
 
(114,090
)
(Increase) decrease in fair value of contingent payments
(17,730
)
 
62,560

Net loss attributable to noncontrolling interest
$
9,793

 
$
171,849