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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2021
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,
 202120202019
 Net Income
(Numerator)
Weighted Average
Shares
(Denominator)
Per-Share
Amount
Net Income
(Numerator)
Weighted Average
Shares
(Denominator)
Per-Share
Amount
Net Income
(Numerator)
Weighted Average
Shares
(Denominator)
Per-Share
Amount
 (Amounts and numbers in thousands, except per-share data)
Basic EPS
Net income available to common stockholders$247,937 55,368 $4.48 $374,607 55,358 $6.77 $320,087 55,351 $5.78 
Effect of dilutive securities:
Options— — — — 
Diluted EPS
Net income available to common stockholders after assumed conversions$247,937 55,374 $4.48 $374,607 55,358 $6.77 $320,087 55,360 $5.78