CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS 'EQUITY (Unaudited) - USD ($) $ in Millions	Total	Cumulative Effect Period Of Adoption Adjustment	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Deficit Cumulative Effect Period Of Adoption Adjustment	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2022	$ 139.8				$ 222.8	$ (74.2)		$ (5.9)	$ (2.9)
Balance, shares at Dec. 31, 2022			1,200,000	32,194,243
Net income (loss)	1.0					1.0
Dividends on preferred stock	(0.8)					(0.8)
Dividends on common stock	(1.9)					(1.9)
Impact of adoption of new accounting standard		$ (0.5)					$ (0.5)
Stock-based compensation	0.8				0.8
Stock-based compensation, shares				173,869
Foreign currency translation adjustments	0.1								0.1
Change in fair value of derivatives, net of tax	(0.4)								(0.4)
Balance at Mar. 31, 2023	138.1				223.6	(76.4)		(5.9)	(3.2)
Balance, shares at Mar. 31, 2023			1,200,000	32,368,112
Balance at Dec. 31, 2023	149.7				233.8	(76.4)		(5.9)	(1.8)
Balance, shares at Dec. 31, 2023			1,200,000	32,369,820
Net income (loss)	(11.9)					(11.9)
Dividends on preferred stock	(0.8)					(0.8)
Dividends on common stock	(1.9)					(1.9)
Stock-based compensation including employee stock purchase plan	2.2				2.2
Stock-based compensation including employee stock purchase plan, shares				435,539
Foreign currency translation adjustments	(1.1)								(1.1)
Change in fair value of derivatives, net of tax	0.7								0.7
Balance at Mar. 31, 2024	$ 136.9				$ 236.0	$ (91.0)		$ (5.9)	$ (2.2)
Balance, shares at Mar. 31, 2024			1,200,000	32,805,359