General form of registration statement for all companies including face-amount certificate companies

Discontinued Operations - Summary of Components of the Gain/(Loss) from Discontinued Operations (Detail)

v3.21.2
Discontinued Operations - Summary of Components of the Gain/(Loss) from Discontinued Operations (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
(Loss)/gain on disposal of discontinued operations $ 0 $ (511) $ (1,022) $ 28,449 $ 28,185 $ (6,160)
Total gain/(loss) of discontinued operations, net of income taxes 0 (511) (1,022) 28,449    
Discontinued Operations [Member] | Launch Division [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Revenue - launch services 0 0 0 26,925 26,925 46,366
Total operating cost and expenses 0 511 0 29,129    
Service costs, excluding depreciation         21,161 45,040
Provision for doubtful accounts         2,128 176
General and administrative expenses         3,590 6,908
Depreciation         2,514 200
Operating (loss)/income 0 (511) 0 (2,204) (2,468) (5,958)
Interest expense, net         (3) (40)
Other expense, net         (16) (162)
Loss from discontinued operations, before income taxes. 0 (511) 0 (2,223) (2,487) (6,160)
(Loss)/gain on disposal of discontinued operations 0 0 (1,022) 30,672 30,672  
Income tax (provision) benefit        
Total gain/(loss) of discontinued operations, net of income taxes $ 0 $ (511) $ (1,022) $ 28,449 $ 28,185 $ (6,160)