Description of the Business and Summary of Significant Accounting Policies - Cash, cash equivalents, and restricted cash (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Restricted cash	$ 12.2	$ 14.6

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.