Cloud Computing Arrangements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Cloud Computing Arrangements
Total capitalized implementation costs	$ 30.4	$ 17.6
Accumulated amortization	(1.7)	(0.1)
Total capitalized implementation costs, net	28.7	17.5
Cloud computing arrangements, amortized cost	$ 1.6	$ 0.1
Cloud computing arrangements, remaining useful lives (in years)	9 years