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Equity-Based Compensation - Summary of Options Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Options/SARs
Outstanding, beginning of period (shares)	2,769,187	512,687	12,687
Granted (shares)	0	2,256,500	700,000
Exercised (in shares)	(4,199)	0	0
Forfeited/Cancelled (shares)	(4,473)	0	(200,000)
Outstanding, end of period (shares)	2,760,515	2,769,187	512,687	12,687
Weighted Average Exercise Price
Outstanding, beginning of period (in USD per share)	$ 13.02	$ 13.03	$ 20.10
Granted (in USD per share)		13.00	12.90
Exercised (in USD per share)	20.24
Forfeited/Cancelled (in USD per share)	19.00		12.90
Outstanding, end of period (in USD per share)	$ 12.88	$ 13.02	$ 13.03	$ 20.10
Weighted Average Remaining Contractual Term (years)
Outstanding	8 years	9 years	9 years 9 months 18 days	1 year 2 months 12 days
Granted		9 years 2 months 12 days	10 years
Exercised	5 years 9 months 18 days
Forfeited/Cancelled	4 years 9 months 18 days		10 years
Outstanding options, exercisable (shares)	585,119

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Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercised, Weighted Average Remaining Contractual Term

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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