Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Commitments For Operating Leases

The following table presents future minimum commitments for operating leases as of December 31, 2017:

Year Ending December 31,	Operating Leases
	(Amounts in thousands)
2018	$	10,818
2019	8,024
2020	5,791
2021	3,855
2022	2,769
Thereafter	673