Warrants - Additional Information (Details) $ / shares in Units, $ in Millions					2 Months Ended
	Apr. 22, 2020 USD ($) shares	Apr. 21, 2020 USD ($)	Nov. 05, 2019 $ / shares shares	Sep. 27, 2019 $ / shares shares	Dec. 31, 2019 $ / shares shares	Dec. 31, 2020 measurementInput $ / shares shares	Nov. 30, 2019 shares	Nov. 04, 2019 $ / shares shares	Dec. 31, 2018 employee
Class of Warrant or Right [Line Items]
Number of former employees with warrants | employee									2
Level 3 | Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares) | $		$ 1.1
Warrants Exchanged For Common Stock
Class of Warrant or Right [Line Items]
Number of shares issued and sold	21,900,000
Price Volatility | Level 3
Class of Warrant or Right [Line Items]
Warrants fair value estimate volatility (in percentage) | measurementInput						0.960
Pre-Merger Financing
Class of Warrant or Right [Line Items]
Number of warrants outstanding (in shares)						0
Series A Warrants
Class of Warrant or Right [Line Items]
Number of warrants outstanding (in shares)						0
Initial exercise price (in USD per share) | $ / shares				$ 7.13
Warrants outstanding, term				60 months
Number of common shares in to which the warrants are exercisable (in shares)				8,800,000
Fair value of consideration transferred to settle warrants | $	$ 13.6
Fair value of consideration transferred to settle warrants, common stock | $	8.6
Consideration transferred in excess of fair value | $		$ 12.5
Series A Warrants | Level 2
Class of Warrant or Right [Line Items]
Fair value of consideration transferred to settle warrants, promissory note | $	$ 5.0
Series B Warrants
Class of Warrant or Right [Line Items]
Number of warrants outstanding (in shares)				8,000,000.0	1,000	0
Initial exercise price (in USD per share) | $ / shares				$ 0.01
Warrants, exercise price determination, number of trading days				10 days
Common stock, issuable upon exercise of warrant (in shares)							12,600,000
Series C Warrants
Class of Warrant or Right [Line Items]
Number of warrants outstanding (in shares)					1,000	0
Initial exercise price (in USD per share) | $ / shares								$ 7.13
Number of common shares in to which the warrants are exercisable (in shares)						50,000,000.0
Warrants, exercise price determination, number of trading days					5 days
Price over which trading price of common stock as quoted on the Nasdaq Capital Market was considered for the release of converted additional shares (in USD per share) | $ / shares			$ 1.20
Series C Warrants | Maximum
Class of Warrant or Right [Line Items]
Number of common shares in to which the warrants are exercisable (in shares)			20,000,000.0					50,000,000.0
OpCo Warrants
Class of Warrant or Right [Line Items]
Initial exercise price (in USD per share) | $ / shares					$ 5.67	$ 5.67
Warrants exercisable (in shares)					900,000	900,000