Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies

Schedule of future minimum lease payments

	Operating Leases
	(in thousands)
Year ending December 31:
2019	$	8,588
2020		8,825
2021		9,067
2022		9,319
2023		7,702
2024 and thereafter		7,130
Total future minimum lease payments	$	50,631