Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Commitments for All Noncancellable Leases

The approximate future minimum rental commitments, before considering renewal options that generally are present, as of December 31, 2017, under the Company’s noncancelable operating leases with initial or remaining terms in excess of one year are shown in the following table:

(in thousands)	Amount
2018	$	5,539
2019	4,586
2020	4,066
2021	3,084
2022	1,568
Thereafter	1,055
Total	$	19,898