Property and Equipment - Narrative (Details) $ in Millions |
Jun. 30, 2020
USD ($)
satellite
mi
|
Dec. 31, 2019
USD ($)
|
|---|---|---|
| Satellites | ||
| Property, Plant and Equipment [Line Items] | ||
| Number of satellites in geostationary orbit, utilized by reporting entity | 10 | |
| Satellites in geosynchronous orbit length above equator | mi | 22,300 | |
| Satellites, Owned | ||
| Property, Plant and Equipment [Line Items] | ||
| Number of satellites in geostationary orbit, utilized by reporting entity | 7 | |
| Satellites, Leased | ||
| Property, Plant and Equipment [Line Items] | ||
| Finance lease, right-of-use-asset, number of units | 3 | |
| Satellite-related obligations | ||
| Property, Plant and Equipment [Line Items] | ||
| Satellite-related obligations | $ | $ 385.1 | $ 419.0 |
| Level 2 | ||
| Property, Plant and Equipment [Line Items] | ||
| In-orbit incentive obligations | $ | $ 55.9 | $ 57.0 |