Fair Value of Financial instruments - Schedule of Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Global Water Treatment Trust Fund	$ 17,120	$ 17,289
Commodity Derivatives	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Global Water Treatment Trust Fund	0	0
Commodity Derivatives	3,084	345
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Global Water Treatment Trust Fund	0	0
Commodity Derivatives	$ 0	$ 0