Capital Lease (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018 USD ($) hub	Sep. 30, 2018 USD ($) hub
Lessee, Lease, Description [Line Items]
Leased assets, Useful Life		7 years
Capital Leases, Income Statement, Amortization Expense	$ 110	$ 298
Satellite hubs for HTS network [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract		5 years
Number of satellite hubs leased | hub	3	3
Hardware Revenue Generating Asset [Member]
Lessee, Lease, Description [Line Items]
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Other Property, Plant, and Equipment, Gross	$ 3,068	$ 3,068
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Property, Plant, and Equipment Other, Accumulated Depreciation	$ 298	$ 298