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Common and Common Equivalent Shares - Schedule of Calculation of Shares Used in Basic and Diluted Net Income Per Share (Detail) - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Earnings Per Share [Abstract]        
Weighted average number of common shares outstanding 83,891,000 82,543,000 83,223,000 82,127,000
Weighted average number of dilutive common share equivalents [1] 632,000 407,000 0 365,000
Weighted average number of common and common equivalent shares outstanding 84,523,000 82,950,000 83,223,000 82,492,000
Antidilutive securities (restricted stock and stock options) not included in the diluted net income per common share calculation 2,000 888,000 389,000 1,201,000
[1] Due to a loss for the nine months ended September 30, 2024, 0.4 million incremental shares are not included because the effect would be antidilutive.