Earnings (Loss) Per Share - Schedule of Basic and Dilutive Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Basic and dilutive net income (loss)	$ (109.1)	$ (53.5)	$ (104.0)
Basic weighted average shares outstanding	50,720	41,694	33,252
Effect of dilutive securities:
Unvested shares and stock units	0	0	0
Dilutive weighted average shares outstanding	50,720	41,694	33,252
Basic earnings (loss) per share	$ (2.15)	$ (1.28)	$ (3.13)
Diluted earnings (loss) per share	$ (2.15)	$ (1.28)	$ (3.13)