Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.21.2
Stockholders' Equity - Additional Information (Detail) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Class of Stock [Line Items]    
Common stock, shares issued 37,401,876 37,165,196
ATM Facility [Member]    
Class of Stock [Line Items]    
Proceeds from common stock issuance $ 3.7  
Common stock, shares issued 1,200,000  
ATM Facility [Member] | Jefferies LLC [Member]    
Class of Stock [Line Items]    
Aggregate common stock offering value $ 50.0