Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments, Under Non-Cancelable Operating Leases

Future minimum lease payments under non-cancelable operating leases are as follows at December 31, 2018:

Years Ending December 31,	(in thousands)
2019	$	7,918
2020		8,299
2021		8,463
2022		8,692
2023		8,894
Thereafter		5,415
	$	47,681