Commitments (Tables)

12 Months Ended

Dec. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Summary of Future Minimum Lease Payments under Non-cancelable Operating Leases

Future minimum lease payments under non-cancelable operating leases as of December 31, 2018 are as follows (in thousands):

Year ending December 31:	Operating Leases
2019	$	2,041
2020		2,105
2021		2,195
2022		2,265
2023		2,339
2024 and beyond		4,487
Total	$	15,432