Earnings (Loss) per Share - Securities Excluded from Diluted Earnings per Share Computation (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class B Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from earnings per share (in shares)	152,117	152,117	152,117
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from earnings per share (in shares)	347	671	6,177
Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from earnings per share (in shares)	0	0	2,478
Performance Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from earnings per share (in shares)	5,055	2,973	159