XML 69 R56.htm IDEA: XBRL DOCUMENT v3.21.1
Common Stock - Additional Information (Details) - shares
Mar. 31, 2021
Feb. 28, 2021
Dec. 31, 2020
Class Of Stock [Line Items]      
Shares authorized   800,000,000.0  
Common stock, shares authorized 750,000,000 750,000,000.0 707,000,000
Preferred stock, shares authorized 50,000,000 50,000,000.0 0
Common stock, shares outstanding 178,941,000   16,170,000
Restricted Stock      
Class Of Stock [Line Items]      
Common stock outstanding 8,637,000   10,079,000