License and Collaboration Agreements (Tables)

3 Months Ended

Mar. 31, 2022

Research and Development [Abstract]

Summary of Changes in the Total Contract Liability

The changes in the total contract liability (deferred revenue) balances related to the Company’s license and collaboration agreements were as follows (in thousands):

	THREE MONTHS ENDED MARCH 31,
	2022			2021
Balance at beginning of period	$	21,203		$	45,201
Recognition of deferred revenue		(2,869	)		(5,454	)
Balance at end of period	$	18,334		$	39,747