Fair Value - Visa Derivative (Details) - Visa derivative $ in Millions	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Apr. 30, 2024	Dec. 31, 2023	Dec. 31, 2018
Class B restricted shares
Fair value
Conversion rate				1.5875	1.6483
Class B-2 shares
Fair value
Conversion rate	1.5342		1.5342
Class C Shares
Fair value
Conversion rate	4		4
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair value
Derivative liability	$ 2.3	$ 2.3