Quarterly report pursuant to Section 13 or 15(d)

Equity Method Investments - Narrative (Details)

v3.21.2
Equity Method Investments - Narrative (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2017
Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]            
Investment in equity method investees $ 4,070   $ 4,070     $ 3,277
Customer advances 15,136   15,136     17,096
Equity Method Investee            
Schedule of Equity Method Investments [Line Items]            
Revenue from related parties 3,500 $ 9,600 20,900 $ 12,900    
LeoStella and X-Bow            
Schedule of Equity Method Investments [Line Items]            
Inventory, net 41,100   41,100     47,300
Customer advances 52,500   52,500     51,400
Difference between carrying amount and underlying equity $ 600   600     $ 500
LeoStella            
Schedule of Equity Method Investments [Line Items]            
Payments remitted     $ 15,000 $ 8,200    
Ownership percentage 50.00%   50.00%      
X-Bow            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage 17.90%   17.90%      
Shares purchased during period         13.5