The value (monetary amount) of the attorney's fees the plaintiff seeks in the legal matter.

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Number of invalidated claims pertaining to a loss contingency.

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Loss Contingency, Pending Claims, Validity Not Challenged

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Amount of loss contingency liability.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 450
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Amount of damages awarded to the plaintiff in the legal matter.

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- Definition

Number of another entity's patents that the entity has allegedly infringed.

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Number of pending claims pertaining to a loss contingency.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Commitments and Contingencies (Details) $ in Millions				1 Months Ended
Commitments and Contingencies (Details) $ in Millions	Feb. 13, 2018 claim	Aug. 07, 2017 USD ($)	Feb. 14, 2017 patent	Nov. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) claim	Dec. 31, 2017 USD ($)
Realtime Data LLC [Member]
Loss Contingency [Abstract]
Loss Contingency, Invalidated Claims, Number \| claim					2
Loss Contingency, Pending Claims, Number \| claim					4
Loss Contingency, Patents Allegedly Infringed, Number \| patent			4
Subsidiaries \| Hughes Network Systems \| Elbit
Loss Contingency [Abstract]
Loss Contingency, Damages Awarded, Value		$ 21.1		$ 28.5
Loss Contingency, Attorney's Fees Sought, Value				$ 13.9
Loss Contingency Accrual					$ 3.2	$ 2.5
Satellite-related obligations
Other Commitments [Line Items]
Satellite-related obligations					$ 520.6	$ 543.3
Patent 728 [Member] \| Realtime Data LLC [Member]
Loss Contingency [Abstract]
Loss Contingency, Pending Claims, Validity Not Challenged \| claim	1