Net Income (Loss) Per Share - Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net income (loss)		$ 46.8	$ 47.2	$ (29.6)
Less: earnings attributable to participating securities	[1]		(0.1)
Net income (loss) available to common shareholders		$ 46.8	$ 47.1	$ (29.6)
Denominator – Weighted-average common shares outstanding (in thousands):
Basic		16,069	15,991	15,906
Add: dilutive effect of non-vested common shares, restricted stock units and performance shares	[2]	250	140
Diluted		16,319	16,131	15,906
Net income (loss) per common share, Basic		$ 2.91	$ 2.95	$ (1.86)
Net income (loss) per common share, Diluted		$ 2.87	$ 2.92	$ (1.86)

[1] Represents distributed and undistributed earnings allocated to non-vested RSAs that contain non-forfeitable rights to dividends.

[2] Quantities in the following discussion are denoted in whole shares. For the years ended December 31, 2024 and December 31, 2023, approximately 1,100 and 35,000 shares, respectively, were excluded from the weighted-average diluted shares computation as their inclusion would have been anti-dilutive. For the year ended December 31, 2022, approximately 139,000 potentially dilutive shares were excluded from the computation of net loss per share as their effect would have been anti‑dilutive.