Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Activity in Allowance for Doubtful Accounts
Beginning balance	$ 1.2	$ 1.3	$ 2.0
Provision	(0.1)	(0.1)	(0.7)
Write-offs, net	0.0	0.0	0.0
Ending balance	$ 1.1	$ 1.2	$ 1.3