Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Share - Schedule of Shares Excluded from the Calculation of Diluted Earnings (Loss) Per Share (Detail)

v3.21.2
Earnings (Loss) Per Share - Schedule of Shares Excluded from the Calculation of Diluted Earnings (Loss) Per Share (Detail) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Staking Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 66,667 66,667