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Earnings Per Share
 6 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
The following table sets forth the components used in the computation of basic and diluted earnings per share (in thousands, except share and per share amounts):
 Three Months Ended June 30,Six Months Ended June 30,
 2020201920202019
Numerator:    
Net income$56,528  $26,262  $88,411  $26,333  
Denominator:    
Basic weighted-average shares outstanding130,292,563  142,244,166  132,326,856  142,055,766  
Effect of dilutive shares:   
Stock options and unvested restricted stock units214,004  227,025  436,919  375,959  
Diluted weighted-average shares outstanding130,506,567  142,471,191  132,763,775  142,431,725  
Earnings per share    
Basic$0.43  $0.18  $0.67  $0.19  
Diluted$0.43  $0.18  $0.67  $0.18  
Antidilutive stock options and unvested restricted stock units not included in diluted earnings per share3,090,298  2,920,708  2,992,479  3,144,445