Stockholders’ Equity and Stock-Based Compensation - Stock Option Activities (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Number of Shares Underlying Outstanding Options
Outstanding, beginning balance (in shares)	3.1
Options granted (in shares)	0.0
Options exercised (in shares)	(1.8)
Options canceled (in shares)	(0.1)
Outstanding, ending balance (in shares)	1.2	3.1
Vested and exercisable (in shares)	1.1
Weighted- Average Exercise Price per Share
Outstanding, beginning balance (in dollars per share)	$ 6.71
Options granted (in dollars per share)	0
Options exercised (in dollars per share)	3.99
Options canceled (in dollars per share)	14.49
Outstanding, ending balance (in dollars per share)	10.56	$ 6.71
Vested and exercisable (in dollars per share)	$ 10.37
Weighted- Average Remaining Contractual Term (in Years) and Aggregate Intrinsic Value
Weighted-average remaining contractual term of stock options outstanding (in years)	2 years 6 months	1 year 6 months
Weighted-average remaining contractual term of stock options vested and exercisable (in years)	2 years 6 months
Aggregate intrinsic value of stock options outstanding	$ 109.4	$ 320.9
Aggregate intrinsic value of stock options outstanding, vested and exercisable	$ 105.2