Shareholders' Equity - Narrative (Details) $ / shares in Units, $ in Millions			1 Months Ended	12 Months Ended
	Oct. 29, 2019 USD ($) $ / shares shares	Nov. 08, 2018 USD ($) $ / shares shares	Nov. 30, 2019 USD ($) $ / shares shares	Dec. 31, 2019 vote / shares $ / shares shares	Dec. 31, 2018 $ / shares shares
Class of Stock [Line Items]
Common stock, shares authorized (in shares)				1,000,000,000	750,000,000
Common stock, par value (in dollars per share) | $ / shares				$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)				10,000,000
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.01
Private placement agreement number of shares (in shares)		26,500,000
Private placement agreement price per share (in dollars per share) | $ / shares		$ 3.49
Private placement agreement value of shares | $		$ 92.5
Votes per common share | vote / shares				1
Designate shares of preferred stock (in shares)				10,000,000
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)				4,000,000
Preferred stock, shares issued (in shares)				0	0
Preferred stock, shares outstanding (in shares)				0	0
Series C Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)				500,000
Preferred stock, shares issued (in shares)				0	0
Preferred stock, shares outstanding (in shares)				0	0
Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)				2,000,000
Preferred stock, shares issued (in shares)				0	0
Preferred stock, shares outstanding (in shares)				0	0
Chief Executive Officer
Class of Stock [Line Items]
Private placement agreement value of shares | $		70.0
Chief Technical Officer
Class of Stock [Line Items]
Private placement agreement value of shares | $		$ 2.0
IPO
Class of Stock [Line Items]
Shares of common stock issued (in shares)	50,000,000
Price per share of common stock (in dollars per share) | $ / shares	$ 1.50
Net proceeds in transaction | $	$ 70.0
Over-Allotment Option
Class of Stock [Line Items]
Shares of common stock issued (in shares)			4,227,749
Price per share of common stock (in dollars per share) | $ / shares			$ 1.50
Net proceeds in transaction | $			$ 6.0
Members of Senior Management | IPO
Class of Stock [Line Items]
Shares of common stock issued (in shares)	2,415,000