Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share - Computation of Basic and Diluted Earnings Per Share, Including Antidilutive Securities Excluded from Computation of Earnings Per Share (Parenthetical) (Detail)

v3.21.2
Earnings per Share - Computation of Basic and Diluted Earnings Per Share, Including Antidilutive Securities Excluded from Computation of Earnings Per Share (Parenthetical) (Detail)
6 Months Ended
Jun. 30, 2021
Restricted Stock Awards [Member] | 2013 Omnibus Equity Incentive Plan [Member]  
Earnings Per Share, Basic and Diluted, by Common Class, Including Two Class Method [Line Items]  
Vesting period 1 year