Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments and Purchase Obligations

As of December 31, 2017, future minimum lease payments are as follows (in thousands): 

	Lease Obligations
2018	$	6,261
2019	5,501
2020	4,911
2021	3,253
2022	2,776
Thereafter	7,768
	$	30,470