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

Commitments - Additional Information (Detail)

v3.21.2
Commitments - Additional Information (Detail)
 6 Months Ended 12 Months Ended
Apr. 28, 2021
USD ($)
Feb. 17, 2021
USD ($)
$ / shares
shares
Nov. 13, 2019
USD ($)
$ / shares
shares
Oct. 31, 2019
USD ($)
Jun. 30, 2021
USD ($)
Number
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
Jun. 30, 2020
$ / shares
Common stock, par value | $ / shares         $ 0.00001 $ 0.00001    
Share price per share | $ / shares               $ 0.0011
Capital lease arrangements           $ 55,000    
Rental expense           $ 3,200,000 $ 2,700,000  
Litigation Settlement, Amount Awarded from Other Party       $ 2,500,000        
Common Class B [Member]                
Common stock, par value | $ / shares         $ 0.00001 $ 0.00001 $ 0.00001  
Commitments For Launches [Member]                
Capital lease arrangements           $ 8,700 $ 100,000  
Other commitment, number of launches | Number         5      
Other commitment         $ 40,600,000      
Other commitment, description         The terms of the arrangements also allow for us to remanifest the satellites if significant delays in excess of 365 days or other inexcusable delays occur with the provider. Subsequent to remanifest efforts four months after the 365 days, the Company can request a refund of all recoverable costs. The launch service provider invoices based on the later of closing the merger transaction or time-based milestone payments from estimated launch dates. Payment terms are 15 days from invoice date      
Other commitment payment terms         15 days      
Commitments For Launches [Member] | Satellites [Member]                
Other commitment number of property and equipment included | Number         10      
Jason And Marian Joh Andrews. [Member] | Loan From Related Party [Member] | Andrews Notes [Member] | Commercial Paper [Member]                
Repayment of related party debt $ 800,000              
Notes payable to related parties $ 1,800,000              
OSPREY TECHNOLOGY ACQUISITION CORP.                
Underwriting discount             571,876  
Stock shares issued during the period shares | shares           31,625,000    
Repayment of related party debt             $ 224,992  
OSPREY TECHNOLOGY ACQUISITION CORP. | Common Class B [Member]                
Common stock, par value | $ / shares         $ 0.0001 $ 0.0001 $ 0.0001  
PIPE Investment Subscription Agreements [Member] | OSPREY TECHNOLOGY ACQUISITION CORP.                
Stock shares issued during the period shares | shares   18,000,000            
Sale of stock issue price per share | $ / shares   $ 10.00            
Proceeds from issuance of common stock   $ 180,000,000            
Number of days within which securities shall be registered with the securities exchange commission   45 days            
Number of days within which registration shall be effective if there is no notification for review   90 days            
Number of days within which registration shall be effective if there is notification for review   10 days            
Period for which registration statement shall be effective   2 years            
Proceeds from issuance of common stock   $ 180,000,000            
Sponsor Support Agreement [Member] | OSPREY TECHNOLOGY ACQUISITION CORP.                
Period for which certain shares shall not be transferred post consummation of business combination   7 years            
Sponsor Support Agreement [Member] | Share Price Triggering Warrant Exercise [Member] | OSPREY TECHNOLOGY ACQUISITION CORP.                
Share price per share | $ / shares   $ 20.00            
Stockholder Support Agreement [Member] | Certain Shareholders of Black Skyholdings [Member] | OSPREY TECHNOLOGY ACQUISITION CORP.                
Percentage of shares to be voted in favour of the merger in case board of directors do not recommend the merger   35.00%            
Period within which the written consent for the merger shall be executed from the date of the registration statement becoming effective   5 days            
Merger Agreement With Osprey Technology Acquisition Corp [Member]                
Gross proceeds received by combined entity   $ 225,000,000            
Termination fee   $ 40,700,000            
Merger Agreement With Osprey Technology Acquisition Corp [Member] | Common Class B [Member]                
Cash distribution per share | $ / shares   $ 0.00001            
Black Sky [Member] | OSPREY TECHNOLOGY ACQUISITION CORP.                
Purchase price | $ / shares   $ 10.00            
Business combination, transferred other   $ 925,000,000            
Common stock, par value | $ / shares   $ 0.00001            
Cash payable per share | $ / shares   $ 0.00001            
Post Merger Combined Company [Member] | Merger Agreement With Osprey Technology Acquisition Corp [Member] | Maximum [Member]                
Business acquisition, percentage of voting interests acquired   72.00%            
Post Merger Combined Company [Member] | Merger Agreement With Osprey Technology Acquisition Corp [Member] | Minimum [Member]                
Business acquisition, percentage of voting interests acquired   57.00%            
Over-Allotment Option [Member] | OSPREY TECHNOLOGY ACQUISITION CORP.                
Option to purchase additional units to cover over-allotments | shares         4,125,000 4,125,000    
Number of additional units purchased by underwriters | shares     4,125,000          
Underwriters option period         45 days 45 days    
Underwriting discount per unit | $ / shares     $ 0.20          
Underwriting discount     $ 6,325,000          
Deferred fee per unit | $ / shares     $ 0.35          
Deferred fee     $ 11,068,750