XML 78 R63.htm IDEA: XBRL DOCUMENT v3.21.1
Subsequent Event - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 22, 2021
Dec. 31, 2020
Dec. 31, 2019
Subsequent Event [Line Items]      
Proceeds from issuance of common stock upon public offering, net of issuance costs   $ 100,664 $ 50,321
Subsequent Event | At The Market Offering      
Subsequent Event [Line Items]      
Issuance of common stock, net of issuance costs, shares 2,709,385    
Proceeds from issuance of common stock upon public offering, net of issuance costs $ 43,300