Class of Warrant or Right, Conversion Terms, Ownership Of Capital Stock or Voting Interests, Percent

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- Definition

Class of Warrant or Right, Conversion Terms, Ownership of Common Stock, Percent

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No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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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.

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No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

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

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Percentage of vesting of award under share-based payment arrangement.

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Number of shares issued during the period as a result of the conversion of convertible securities.

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STOCKHOLDER'S EQUITY (DEFICIT) - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		4 Months Ended	5 Months Ended	9 Months Ended
	May 30, 2019	May 01, 2019	Sep. 30, 2019	Sep. 30, 2018	May 01, 2019	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018
Class of Stock [Line Items]
Share-based compensation expense			$ 17,112	$ 456	$ 498	$ 20,151
Unrecognized compensation cost			$ 63,100			$ 63,100	$ 63,100
Unrecognized compensation cost, weighted average period (in years)							3 years 7 months 6 days
Special Warrants
Class of Stock [Line Items]
Special warrants, exercise price per share (in dollars per share)		$ 0.001			$ 0.001
Special warrants, conversion terms, ownership percentage of common stock		4.99%
Special warrants, conversion terms, ownership percentage of capital stock or voting interests		22.50%
Common Shares \| Class A Shares
Class of Stock [Line Items]
Conversion of Special Warrants and Class B Shares to Class A Shares (in shares)			185,933			185,933
Common Shares \| Class B Shares
Class of Stock [Line Items]
Conversion of Special Warrants and Class B Shares to Class A Shares (in shares)			(21,591)			(21,591)
Common Shares \| Special Warrants
Class of Stock [Line Items]
Conversion of Special Warrants and Class B Shares to Class A Shares (in shares)			(164,342)			(164,342)
Stock Option
Class of Stock [Line Items]
Stock options granted (in shares)	5,542,668
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Restricted stock granted (in shares)	3,205,360
Vesting period one \| Stock Option
Class of Stock [Line Items]
Award vesting rights (as a percent)							20.00%
Vesting period one \| Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Award vesting rights (as a percent)							20.00%
Vesting period two \| Stock Option
Class of Stock [Line Items]
Award vesting rights (as a percent)							20.00%
Vesting period two \| Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Award vesting rights (as a percent)							20.00%
Corporate Expenses
Class of Stock [Line Items]
Share-based compensation expense			$ 17,100	$ 500	$ 500	$ 20,200		$ 1,628
Post Emergence Equity Plan \| Management And Service Providers \| Common Shares \| Class A Shares
Class of Stock [Line Items]
Number of shares authorized (in shares)		12,770,387			12,770,387
Post Emergence Equity Plan \| Non-Employee Board Members \| Common Shares \| Class A Shares
Class of Stock [Line Items]
Number of shares authorized (in shares)		1,596,298			1,596,298