Collaboration Agreement with Novartis (Tables)

12 Months Ended

Dec. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Schedule of Collaboration Revenue Related Party

For the years ended December 31, 2019, 2018, and 2017, the Company recognized the following totals of collaboration revenue – related party:

	Year Ended December 31,
		2019		2018	2017
Collaboration revenue - related party	$	15,360	$	59,417	$	12,826

Summary of Changes in Contract Liabilities

The following table presents changes in the Company’s contract liabilities during the year ended December 31, 2019 (in thousands):

	December 31, 2018		Additions		Deductions			December 31, 2019
Contract Liabilities (1)
Total deferred revenue - related party	$	53,952		—	$	(15,360	)	$	38,592

(1) Additions to contract liabilities relate to consideration from Novartis during the reporting period. Deductions to contract liabilities relate to deferred revenue recognized as revenue during the reporting period.