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

Fair Value of Financial Instruments - Additional Information (Details)

v3.21.2
Fair Value of Financial Instruments - Additional Information (Details) - USD ($)
shares in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Conversion price percent 80.00%      
Payment of consent fee liability $ 2,500,000      
Promissory Note [Member]        
Fair value measurement with unobservable inputs reconciliation recurring basis, liability net     $ 4,100,000  
Two Thousand And Nineteen Omnibus Agreement [Member] | Blacksky Technology [Member]        
Class of warrant or right, issued during the period       33.7
Fair Value, Inputs, Level 1, 2 and 3 [Member]        
Fair value measurement with unobservable inputs reconciliation recurring basis, liability net $ 0 $ 0    
Fair Value, Inputs, Level 1, 2 and 3 [Member] | Blacksky Technology [Member]        
Fair value measurement with unobservable inputs reconciliation recurring basis, liability net     $ 0 $ 0