Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments

Future minimum lease payments under non-cancelable operating leases are as follows (amounts in thousands):

Years ending December 31,
2018	$	3,790
2019	3,856
2020	3,860
2021	3,406
Thereafter	3,497
Total	$	18,409