Revenue Recognition (Details) - USD ($) $ in Millions	12 Months Ended
Revenue Recognition (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue Recognition
Accounts receivable - trade	$ 224.4	$ 241.7	$ 252.4
Fuel Products \| Minimum
Revenue Recognition
Payment due, term	2 days
Payment collection, term	2 days
Fuel Products \| Maximum
Revenue Recognition
Payment due, term	30 days
Payment collection, term	30 days
Renewable fuels \| Minimum
Revenue Recognition
Payment due, term	7 days
Payment collection, term	7 days
Renewable fuels \| Maximum
Revenue Recognition
Payment due, term	14 days
Payment collection, term	14 days
Specialty products \| Minimum
Revenue Recognition
Payment due, term	30 days
Payment collection, term	30 days
Specialty products \| Maximum
Revenue Recognition
Payment due, term	90 days
Payment collection, term	90 days

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Calumet, Inc. /DE 10-K