Collaboration Agreement (Tables)

6 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Collaboration Revenue

The following table summarizes the Company’s collaboration revenue (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Collaboration revenue	$	72,649	$	16,319	$	107,249	$	20,974

Balance of Contract Liabilities Related to Collaboration Agreements

The following table presents the balance of the Company’s contract liabilities (in thousands):

	June 30,		December 31,
	2021		2020
Contract liabilities
Deferred revenue	$	293,069	$	296,222