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

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

v3.21.1
Stockholders' Equity - Series Seed Convertible Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended
Dec. 23, 2014
May 31, 2019
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  
Blade Urban Air Mobility [Member]              
Class of Stock [Line Items]              
Preferred stock, par value         $ 0.00001    
Blade Urban Air Mobility [Member] | Preferred stock - Series Seed              
Class of Stock [Line Items]              
Issuance of Founder Shares to Sponsor (in shares) 2,817,000            
Preferred stock, par value $ 0.00001   $ 0.00001   $ 0.00001   $ 0.00001
Price per share $ 1.00            
Net proceeds from issuance $ 2,817