Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consists of the following:

	December 31,
	2019			2018
	(in thousands)
Laboratory equipment	$	10,837		$	9,309
Manufacturing equipment		4,911			—
Computers and purchased software		640			248
Furniture and fixtures		1,363			1,066
Leasehold improvements		30,862			24,520
Assets not yet in service		2,513			2,602
Property and equipment, at cost		51,126			37,745
Less accumulated depreciation and amortization		(8,410	)		(2,108	)
Property and equipment, net	$	42,716		$	35,637