ACCRUED EXPENSES

9 Months Ended

Sep. 30, 2021

Payables And Accruals [Abstract]

ACCRUED EXPENSES

10. ACCRUED EXPENSES

The following table summarizes the Company’s accrued expenses for each of the periods indicated:

	As of September 30, 2021		As of December 31, 2020
	(in thousands)
Accrued contract manufacturing costs	$	69,055	$	36,543
Product revenue related reserves		59,942		42,618
Accrued employee compensation costs		29,725		50,803
Accrued clinical and pre-clinical costs		27,942		22,169
Accrued royalties		11,142		7,793
Accrued professional fees		8,929		10,221
Accrued collaboration cost sharing		4,927		3,516
Accrued interest expense		3,182		1,045
Accrued property and equipment		130		4,993
Accrued milestone and license expense		—		9,380
Other		6,035		4,472
Total accrued expenses	$	221,009	$	193,553