Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plans - Schedule of Future Share Settlements (Detail)

v3.20.4
Stock-Based Compensation Plans - Schedule of Future Share Settlements (Detail) - 2013 Omnibus Equity Incentive Plan [Member] - Deferred stock units [Member]
Dec. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
2021 60,373
2022 281,193
Total 341,566