Revenue - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Feb. 28, 2022	Mar. 31, 2023	Mar. 31, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract with customer, revenue recognized		$ 6.5
Capital expenditure reimbursement	95.00%
Satellites
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Accounts receivable, current		7.2
Accounts receivable, noncurrent		124.4
Subscriber driven
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract with customer, revenue recognized		8.4	$ 9.9
Wholesale capacity services
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract with customer, revenue recognized		22.0	$ 0.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01 | Subscriber driven
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount		$ 21.0
Revenue remaining performance obligation, percentage		91.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01 | Wholesale capacity services
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount		$ 59.9
Revenue remaining performance obligation, percentage		28.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period		12 months