Quarterly report pursuant to Section 13 or 15(d)

Commitments - Additional Information (Detail)

Commitments - Additional Information (Detail) - USD ($)
3 Months Ended
Feb. 17, 2021
Nov. 13, 2019
Mar. 31, 2021
PIPE Investment Subscription Agreements [Member]      
Stock shares issued during the period shares 18,000,000    
Sale of stock issue price per share $ 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    
Sponsor Support Agreement [Member]      
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]      
Share price per share $ 20.00    
Stockholder Support Agreement [Member] | Certain Shareholders of Black Skyholdings [Member]      
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    
Black Sky [Member]      
Purchase price $ 10.00    
Business combination, transferred other $ 925,000,000    
Common stock, par value $ 0.00001    
Cash payable per share $ 0.00001    
Over-Allotment Option      
Option to purchase additional units to cover over-allotments     4,125,000
Number of additional units purchased by underwriters   4,125,000  
Underwriters option period     45 days
Underwriting discount per unit   $ 0.20  
Underwriting discount   $ 6,325,000  
Deferred fee per unit   $ 0.35  
Deferred fee   $ 11,068,750