Registration of securities issued in business combination transactions

Shareholders' Equity - Preferred Shares (Detail)

v3.20.4
Shareholders' Equity - Preferred Shares (Detail) - shares
Sep. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Equity [Abstract]      
Preferred stock, shares authorized 2,000,000 2,000,000 2,000,000
Preferred stock, shares issued 0 0 0
Preferred stock, shares outstanding 0 0 0