Leases Cash paid for amounts included in the measurement of lease liabilities (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) railcar	Dec. 31, 2023 USD ($)
Lessee, Lease Terms and Discount Rates [Abstract]
Operating Lease, Payments	$ 36.0	$ 40.0	$ 41.2
Lease, Payments	0.0	30.4	0.0
Lease, Payments	36.0	70.4	41.2
Non-cash financing lease transactions	$ 0.0	$ 30.1	$ 0.0
Number of railcars received | railcar		728