Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended	48 Months Ended
	Sep. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Dec. 31, 2029
Other Commitments [Line Items]
Letters of credit outstanding, amount		$ 22.7	$ 23.0
Required cash and cash equivalents balance		$ 35.0
Forecast
Other Commitments [Line Items]
Purchase commitment	$ 317.8			$ 2,200.0
Minimum | Letter of Credit
Other Commitments [Line Items]
Letter of credit, fee percentage		0.50%	0.50%
Maximum | Letter of Credit
Other Commitments [Line Items]
Letter of credit, fee percentage		3.75%	3.75%