Earnings (Loss) per Share - Schedule of Earnings Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended					4 Months Ended	5 Months Ended	9 Months Ended
	Jun. 30, 2019	Jun. 02, 2019	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2019	Jun. 02, 2019	Sep. 30, 2020
Earnings Per Share [Abstract]
Net loss	$ (12.4)	$ (15.8)	$ (6.1)	$ (8.5)	$ (3.6)	$ (1.6)	$ (3.2)	$ (13.9)	$ (19.0)	$ (18.2)
Net loss attributable to common stockholders for basic and diluted EPS			$ (6.1)			$ (1.6)		$ (13.9)	$ (19.0)	$ (18.2)
Basic weighted average common shares outstanding (shares)			72,396,183			53,871,068		53,870,568	995	71,401,580
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Dilutive weighted average common shares outstanding (shares)			72,396,183			53,871,068		53,870,568	995	71,401,580
Loss per share attributable to common stockholders
Basic (USD per share)			$ (0.08)			$ (0.03)		$ (0.26)	$ (19,195.40)	$ (0.25)
Diluted (USD per share)			$ (0.08)			$ (0.03)		$ (0.26)	$ (19,195.40)	$ (0.25)