Net (Loss) Income Per Share - Schedule of Calculation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net (loss) income	$ (18.5)	$ 28.8	$ 62.0
Denominator – Weighted-average common shares outstanding (in thousands):
Basic	15,836	15,802	15,997
Add: dilutive effect of non-vested common shares, restricted stock units and performance shares		111	206
Diluted	15,836	15,913	16,203
Net (loss) income per common share, Basic:	$ (1.17)	$ 1.82	$ 3.88
Net (loss) income per common share, Diluted:	$ (1.17)	$ 1.81	$ 3.83