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Earnings (Loss) Per Share (Tables)
6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
Summary of Reconciliation of Weighted Average Share Amounts Used to Compute Both Basic and Diluted Earnings (Loss) Per Share The following table reconciles the weighted average share amounts used to compute both basic and diluted earnings (loss) per share (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2021202020212020
Weighted average shares outstanding:
Basic weighted average shares outstanding117,718 116,033 117,605 116,019 
Add: Dilutive effect of stock options and RSUs1,292 1,231 1,353 — 
Diluted weighted average shares outstanding119,010 117,264 118,958 116,019