CONSOLIDATED BALANCE SHEETS (Parenthetical) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares
Accounts receivable, net of allowances | $	$ 12.4	$ 13.0
Preferred stock, par value | $ / shares	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	100,000	100,000
Common stock, par value | $ / shares	$ 0.0001	$ 0.0001
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	32,369,820	32,194,243
Common stock, shares outstanding	32,369,820	32,194,243
Treasury stock, common shares	862,182	862,182
Depository Shares
Preferred stock, shares issued	1,200,000	1,200,000
Preferred stock, shares outstanding	1,200,000	1,200,000
10% Series A Cumulative Perpetual Preferred Stock
Preferred stock, par value | $ / shares	$ 0.0001	$ 0.0001
Depositary receipt ratio	0.001	0.001
Preferred stock, dividend rate, percentage	10.00%	10.00%