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

Stockholders' Equity - Series A Convertible Preferred Stock (Details)

v3.21.1
Stockholders' Equity - Series A Convertible Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 7 Months Ended
May 31, 2019
May 31, 2016
Dec. 02, 2016
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Class of Stock [Line Items]                
Issuance of Founder Shares to Sponsor (in shares) 7,187,500              
Preferred stock, par value       $ 0.0001 $ 0.0001   $ 0.0001  
Preferred stock - Series A                
Class of Stock [Line Items]                
Preferred stock, par value     $ 0.00001          
Price per share     $ 1.6323          
Net proceeds from issuance     $ 6,000          
Blade Urban Air Mobility [Member]                
Class of Stock [Line Items]                
Preferred stock, par value           $ 0.00001    
Blade Urban Air Mobility [Member] | Preferred stock - Series A                
Class of Stock [Line Items]                
Issuance of Founder Shares to Sponsor (in shares)     3,675,785          
Preferred stock, par value       $ 0.00001   $ 0.00001   $ 0.00001
Number of shares issued upon the conversion of convertible debt   3,058,732