Leases (Tables)

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Future minimum rental payments under non cancelable operating leases

At December 31, 2018, future minimum rental payments under noncancelable operating leases are as follows:

(in thousands)	Operating Leases
2019	$	16,542
2020	16,325
2021	13,932
2022	12,791
2023	10,623
Thereafter	23,638
Total minimum lease payments	$	93,851