Intangible Assets and Deferred Consideration - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Intangible assets
Finite lived intangible assets	$ 9,656	$ 10,207
Installment payment for deferred consideration	2,371	1,629
Deferred Consideration - Current	1,000	2,371
Evoqua Water Technologies LLC
Intangible assets
Installment payment for deferred consideration	(2,400)	(1,300)
Customer Relationships
Intangible assets
Amortization of intangible assets	600	$ 600
Finite lived intangible assets	$ 9,656