Weighted Average Common Shares - Summary of Weighted Average Numbers of Common Shares Used to Compute Basic and Diluted Net Income Per Share (Detail) - shares shares in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
Earnings Per Share [Abstract] | ||||
Basic common shares outstanding | 70,089 | 69,167 | 70,179 | 69,366 |
Common stock equivalents | 1,377 | 1,849 | 1,470 | 1,901 |
Diluted common shares outstanding | 71,466 | 71,016 | 71,649 | 71,267 |