Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Summary of Future Minimum Lease Payments

Minimum lease payments under operating leases were as follows at December 31, 2018:

(in thousands)
2019	$	4,283
2020	4,855
2021	4,278
2022	1,643
2023	1,438
2024 and thereafter	6,698
Total minimum lease payments	$	23,195