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Earnings Per Share - Summary of Shares Excluded From Diluted Earnings Per Share Calculation (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Out-of-the-money stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-diluted shares excluded from computation of earnings per share (in shares)	2,469	4,817	3,983	4,680
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-diluted shares excluded from computation of earnings per share (in shares)	8,000	8,000	8,000	8,000
Restricted stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-diluted shares excluded from computation of earnings per share (in shares)	9,572	3,827	6,607	2,313
Weighted average shares of Class C Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-diluted shares excluded from computation of earnings per share (in shares)	0	10,351	348	11,446
Employee Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-diluted shares excluded from computation of earnings per share (in shares)	0	8	93	0

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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