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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Schedule of Computation of Basic and Diluted Earnings Per Share
The following table shows the computation of basic and diluted earnings per share for the three months ended March 31, 2020 and 2019:
In thousands, except per share amounts
 
Three Months Ended 
 March 31,
 
 
2020
 
2019
Numerator:
 
 
 
 
Net loss attributable to U.S. Silica Holdings, Inc.
 
$
(72,345
)
 
$
(19,324
)
 
 
 
 
 
Denominator:
 
 
 
 
Weighted average shares outstanding
 
73,467

 
73,040

Diluted effect of stock awards
 
—

 
—

Weighted average shares outstanding assuming dilution
 
73,467

 
73,040

 
 
 
 
 
Loss per share attributable to U.S. Silica Holdings, Inc.:
 
 
 
 
Basic loss per share
 
$
(0.98
)
 
$
(0.26
)
Diluted loss per share
 
$
(0.98
)
 
$
(0.26
)
Schedule of Antidilutive Securities Excluded from Computation of Diluted Earnings Per Share Stock awards (in thousands) excluded from the calculation of diluted loss per common share were as follows:
In thousands
 
Three Months Ended 
 March 31,
 
 
2020
 
2019
Stock options excluded
 
827

 
736

Restricted stock and performance share units awards excluded
 
2,391

 
353