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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2018
Earnings Per Share Reconciliation [Abstract]  
Reconciliation Of Numerators And Denominators Of Basic And Diluted Earnings Per Share
The following table presents a reconciliation of the numerators and denominators of the basic and diluted earnings per share calculations:
 
Year Ended December 31,
 
2018
 
2017
 
2016
 
Loss
(Numerator)
 
Weighted
Shares
(Denominator)
 
Per-Share
Amount
 
Income
(Numerator)
 
Weighted
Shares
(Denominator)
 
Per-Share
Amount
 
Income
(Numerator)
 
Weighted
Shares
(Denominator)
 
Per-Share
Amount
 
(Amounts and numbers in thousands, except per-share data)
Basic EPS
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(Loss) income available to common stockholders
$
(5,728
)
 
55,335

 
$
(0.10
)
 
$
144,877

 
55,316

 
$
2.62

 
$
73,044

 
55,249

 
$
1.32

Effect of dilutive securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Options
—

 
—

 
 
 
—

 
11

 
 
 
—

 
11

 
 
RSUs
—

 
—

 
 
 
—

 
—

 
 
 
—

 
42

 
 
Diluted EPS
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(Loss) income available to common stockholders after assumed conversions
$
(5,728
)
 
55,335

 
$
(0.10
)
 
$
144,877

 
55,327

 
$
2.62

 
$
73,044

 
55,302

 
$
1.32