Stock Award Plans - Stock Based Award Plans (Detail) - shares	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Options	8,400,611	9,074,587
Outstanding Restricted Stock Units	12,363,934	11,838,329
Shares Available for Future Issuance	26,374,063
2013 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Options	2,966,524
2018 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Options	5,434,087
Outstanding Restricted Stock Units	12,363,934
Shares Available for Future Issuance	26,374,063