Fair Value - Other Fair Value Measurements (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Concrete
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Life Insurance, face amount	$ 11.1
Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debt	$ 53.0	$ 0.0

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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