Accrued Liabilities and Other Liabilities

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Accrued Liabilities and Other Liabilities

Accrued Liabilities and Other Liabilities

Accrued liabilities consisted of the following (in thousands):

	September 30, 2021		December 31, 2020
Accrued clinical expense	18,956		19,221
Accrued manufacturing expense	27,988		13,019
Accrued development expense	9,103		5,439
Accrued compensation and benefits	16,763		13,964
Other accrued expenses	6,346		1,712
	$	79,156	$	53,355

The other liabilities balance of $1.8 million as of September 30, 2021, and $2.0 million as of December 31, 2020, consisted primarily of clinical trial-related liabilities.