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Equity Incentive Plans and Stock-Based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Contingently issuable ESPP shares
Stock-based compensation
Employee stock purchase plan, shares issued during period			69,828	120,569
Employee stock purchase plan, price per share	$ 44.84	$ 27.91	$ 44.84	$ 27.91
Shares available for issuance	2,300,000		2,300,000
Discount from the fair market value (as a percentage)			15.00%
Stock-based compensation expense	$ 0.4	$ 0.5	$ 1.4	$ 1.5
Unrecognized compensation cost	0.1		$ 0.1
Unrecognized compensation cost, weighted-average period			1 month
Nonvested equity stock units and stock units
Stock-based compensation
Stock-based compensation expense	11.6	$ 9.5	$ 31.8	$ 32.9
Unrecognized compensation cost	$ 81.2		$ 81.2
Unrecognized compensation cost, weighted-average period			2 years
Awards, nonvested grants in period, shares	100,000		1,000,828	1,200,000
Requisite service period	4 years	4 years	4 years	4 years
Awards, nonvested grants in period, fair value	$ 4.1	$ 2.1	$ 59.8	$ 57.3
Nonvested equity stock units and stock units | Director
Stock-based compensation
Requisite service period	1 year	1 year	1 year	1 year
Nonvested equity stock units and stock units | Minimum
Stock-based compensation
Awards, vesting rights (as a percentage)			0.00%	0.00%
Nonvested equity stock units and stock units | Maximum
Stock-based compensation
Awards, vesting rights (as a percentage)			200.00%	200.00%

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