Earnings per Common Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share, Basic and Diluted [Line Items]
Net (loss) income	$ (33.4)	$ 51.4
Weighted average common shares outstanding for basic earnings per share computation (in shares)	92,855,173	61,591,877
Dilutive effects of stock-based compensation (in shares)	0	122,186
Weighted average common shares outstanding for diluted earnings per common share computation (in shares)	92,855,173	61,714,063
Basic earnings per common share (in dollars per share)	$ (0.36)	$ 0.83
Diluted earnings per common share (in dollars per share)	$ (0.36)	$ 0.83
Restricted Stock
Earnings Per Share, Basic and Diluted [Line Items]
Anti-dilutive unvested time restricted stock (in shares)	55,504	92,602
Unvested restricted stock
Earnings Per Share, Basic and Diluted [Line Items]
Anti-dilutive unvested time restricted stock (in shares)	537,374	368,793
Common Stock
Earnings Per Share, Basic and Diluted [Line Items]
Anti-dilutive unvested time restricted stock (in shares)	71,379