Commitment and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	$ 30,379
2020	20,823
2021	15,497
2022	7,507
2023	471
Thereafter	530
Total minimum lease payments	75,207
Purchase Commitment
Operating Leased Assets [Line Items]
Unconditional purchase order obligations	18,998
Facility
Operating Leased Assets [Line Items]
Operating leases, rent expense	919	$ 905	$ 601
Satellite Capacity and Equipment
Operating Leased Assets [Line Items]
Operating leases, rent expense	$ 34,644	$ 31,774	$ 31,606