Trade Accounts Receivable and Other Current Assets - Other current assets (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Trade Accounts Receivable and Other Current Assets | ||
| Insurance claims for recoveries | $ 3,099,000 | $ 16,000 |
| Refund of value added tax | 1,393,000 | 1,606,000 |
| Prepaid expenses | 1,951,000 | 1,537,000 |
| EU-ETS current asset | 6,038,000 | 6,597,000 |
| Other receivables | 153,000 | 705,000 |
| Total other current assets | 22,791,000 | 15,192,000 |
| Nonrelated Party | ||
| Trade Accounts Receivable and Other Current Assets | ||
| Trade receivables | 7,577,000 | 3,694,000 |
| Other receivables | 1,391,000 | 1,741,000 |
| Related Party | ||
| Trade Accounts Receivable and Other Current Assets | ||
| Other receivables | 153,000 | 705,000 |
| Total other current assets | 2,017,000 | 1,318,000 |
| Related Party | KNOT and affiliates | ||
| Trade Accounts Receivable and Other Current Assets | ||
| Trade receivables | 1,342,000 | 1,000 |
| Other receivables | 672,000 | |
| Total other current assets | $ 1,342,000 | $ 1,000 |
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of costs recognized in the balance sheet for known or estimated future costs arising from requirements to perform activities to remediate one or more sites. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of current assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|