Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Schedule of Earnings Per Share, Basic and Diluted
The following table reflects the allocation of net income to common shareholders and EPS computations for the periods indicated based on a weighted average number of common shares outstanding for the period:
Three Months Ended June 30,Six Months Ended June 30,
(in thousands, except per share data)2021202020212020
Net income (loss) attributable to Class A Common Stock
$(25,055)$5,330 $(59,700)$(542,653)
Basic weighted average shares of Class A Common Stock outstanding
279,185 277,133 279,061 276,543 
Add: Dilutive effects of potential common stock— 75 — — 
Diluted weighted average shares of Class A Common Stock outstanding
279,185 277,208 279,061 276,543 
Basic net earnings (loss) per share of Class A Common Stock
$(0.09)$0.02 $(0.21)$(1.96)
Diluted net earnings (loss) per share of Class A Common Stock
$(0.09)$0.02 $(0.21)$(1.96)
Schedule of Shares Excluded from Diluted Earnings Per Share Calculation The following table presents shares excluded from the diluted earnings per share calculation for the periods presented as their impact was anti-dilutive:
Three Months Ended June 30,Six Months Ended June 30,
(in thousands)2021202020212020
Out-of-the-money stock options2,241 4,696 2,267 4,756 
Restricted stock8,769 5,066 9,167 5,125 
Employee Stock Purchase Plan68 — 54 139 
Weighted average shares of Class C Common Stock — 11 — 523 
Warrants8,000 8,000 8,000 8,000 
Performance stock units— — 199 — 
Convertible Senior Notes27,074 — 27,074 —