Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Estimated Useful Lives of Depreciable Assets (Detail)

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Summary of Significant Accounting Policies - Summary of Estimated Useful Lives of Depreciable Assets (Detail)
 12 Months Ended
Dec. 31, 2021
Furniture and Fixtures  
Property Plant And Equipment [Line Items]  
Estimated Useful Life 7 years
Machinery and Equipment  
Property Plant And Equipment [Line Items]  
Estimated Useful Life 5 years
In Service Ground Stations  
Property Plant And Equipment [Line Items]  
Estimated Useful Life 4 years
Computer Software And Website Development  
Property Plant And Equipment [Line Items]  
Estimated Useful Life 3 years
Computer Equipment  
Property Plant And Equipment [Line Items]  
Estimated Useful Life 3 years
Capitalized Satellite Launch Costs And In Service Satellites | Minimum [Member]  
Property Plant And Equipment [Line Items]  
Estimated Useful Life 2 years
Capitalized Satellite Launch Costs And In Service Satellites | Maximum [Member]  
Property Plant And Equipment [Line Items]  
Estimated Useful Life 3 years