Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments under Operating Leases and Financing Obligations

As of December 31, 2018, future minimum lease payments under operating leases and financing obligations, net of sublease income, by year were as follows:

	Gross Minimum Lease Payments
(in thousands)	Financing Obligation- Leased Facility		Operating Leases		Sublease Income			Minimum Lease Payments, net
2019	$	10,621	$	3,172	$	(5,409	)	$	8,384
2020		10,956		2,479		(3,940	)		9,495
2021		11,291		926		(2,799	)		9,418
2022		11,649		635		(336	)		11,948
2023		12,008		708		—			12,716
Thereafter		65,949		2,832		—			68,781
Total	$	122,474	$	10,752	$	(12,484	)	$	120,742