Commitments (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of future payments required

As of December 31, 2018, future payments required under noncancelable lease agreements and purchase commitments are as follows:

(in thousands)	Amount
2019	$	2,264
2020	259
2021	238
2022	238
2023	238
2024 and thereafter	178
Total	$	3,415