Property and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2019

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consists of the following:

	As of
	September 30, 2019			December 31, 2018
	(in thousands)
Laboratory equipment	$	10,085		$	9,309
Manufacturing equipment		4,756			—
Computers and purchased software		611			248
Furniture and fixtures		1,386			1,066
Leasehold improvements		30,380			24,520
Assets not yet in service		895			2,602
		48,113			37,745
Less: accumulated depreciation and amortization		(6,707	)		(2,108	)
Total property and equipment, net	$	41,406		$	35,637