Stock-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Stock Award Plans and Stock-Based Compensation
Stock-based compensation expense	$ 4.9	$ 4.9
2020 Employee Stock Purchase Plan
Stock Award Plans and Stock-Based Compensation
Proceeds from Employee Stock Purchase Plan purchases	$ 0.0	$ 0.0
Common Stock
Stock Award Plans and Stock-Based Compensation
Exercise of stock options (in shares)	16,000	38,459