Mandatory Redeemable Series B Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2019	Jun. 05, 2019	May 30, 2019
Class of Stock [Line Items]
Warrants term			7 years
Mandatorily Redeemable Preferred Stock
Class of Stock [Line Items]
Warrant exercise price (in usd per share)	$ 1.62
Value of warrants issued with preferred stock	$ 6.7
Mandatorily Redeemable Preferred Stock | Maximum
Class of Stock [Line Items]
Exercise of warrants (percentage)	19.90%
Common Class A | Mandatorily Redeemable Preferred Stock
Class of Stock [Line Items]
Share price (in usd per share)	$ 1.62
Series B Preferred Stock
Class of Stock [Line Items]
Shares issued (in shares)		1,250,000
Preferred stock stated value (in usd per share)		$ 20.00
Aggregate purchase price, warrants	$ 25.0
Amortization of Debt Discount (Premium)	$ 0.9
Series B Preferred Stock | Mandatorily Redeemable Preferred Stock
Class of Stock [Line Items]
Warrant exercise price (in usd per share)		$ 7.41
Preferred stock dividend rate (percentage)	8.00%