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Note 11 - Debt, Net (Details Textual) $ in Thousands |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 01, 2024 USD ($) | Feb. 29, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jan. 31, 2024 USD ($) | May 31, 2023 USD ($) | Aug. 31, 2022 USD ($)
Repayments of Long-Term Debt |  |  | $ 181,028 | $ 262,396 | $ 339,396 |  |  |
Nontrade Receivables, Noncurrent |  |  | 23,480 | 26,321 |  |  |  |
Long-Term Debt, Gross |  |  | $ 142,347 | 155,525 |  |  |  |
Ciner Wyoming LLC [Member] |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 49.00% |  |  |  |  |
Opco [Member] |  |  |  |  |  |  |  |
Percentage Of Consolidated Net Tangible Assets Debt Of Subsidiaries Not Permitted To Exceed |  |  | 10.00% |  |  |  |  |
Opco [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Ratio of EBITDA To Consolidated Fixed Charges |  |  | 3.5 |  |  |  |  |
Opco [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Ratio of Indebtedness to Net Capital |  |  | 4 |  |  |  |  |
Senior Notes [Member] | Opco [Member] |  |  |  |  |  |  |  |
Debt Instrument Asset Sales Proceeds Required to Repay Outstanding Debt Percent |  |  | 25.00% |  |  |  |  |
Long-Term Debt, Gross |  |  | $ 28,700 | 59,700 |  |  |  |
Repayments of Debt |  |  | 31,000 | 39,400 | 39,400 |  |  |
Senior Notes [Member] | Nine Point One Two Five Percent Senior Notes Due June Two Zero Two Five [Member] |  |  |  |  |  |  |  |
Repayments of Long-Term Debt |  |  |  |  | $ 300,000 |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 9.125% |  |  |
Redemption Premium |  |  |  |  | $ 7,200 |  |  |
Deferred Debt Issuance Cost, Writeoff |  |  |  |  | $ 3,100 |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Opco [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  | 86,300 | 59,200 |  |  | $ 155,000 | $ 130,000
Line of Credit Facility, Maximum Borrowing Capacity, Addition of Future Commitments |  |  |  |  |  |  | $ 200,000 |
Line of Credit Facility, Increase (Decrease), Net | $ 30,000 | $ 15,000 |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 185,000 | 200,000 |  |  |  | $ 155,000 |  |
Proceeds from Lines of Credit |  |  | 167,900 | 248,800 |  |  |  |
Repayments of Lines of Credit |  |  | 150,000 | 223,000 |  |  |  |
Long-Term Line of Credit |  |  | $ 113,700 | $ 95,800 |  |  |  |
Long-Term Debt, Weighted Average Interest Rate, over Time |  |  | 8.77% | 8.70% |  |  |  |
Line of Credit Facility, Commitment Fee Percentage |  |  | 0.50% |  |  |  |  |
Debt Instrument Asset Sales Proceeds Required to Repay Outstanding Debt Percent |  |  | 75.00% |  |  |  |  |
Nontrade Receivables, Noncurrent |  |  | $ 23,500 | $ 26,300 |  |  |  |
Long-Term Debt, Gross |  |  | 113,684 | 95,834 |  |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Opco [Member] | Other Noncurrent Assets [Member] |  |  |  |  |  |  |  |
Debt Instrument, Collateral Amount |  |  | $ 302,800 | $ 316,300 |  |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Opco [Member] | Federal Funds Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 0.50% |  |  |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Opco [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 1.00% |  |  |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Opco [Member] | New Lender [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 30,000 |  |  |  |  |  |
Debt Instrument Covenant Maximum Leverage Ratio |  |  | 3 |  |  |  |  |
Leverage Ratio |  |  | 0.6 |  |  |  |  |
Debt Instrument, Covenant, Minimum Interest Coverage Ratio |  |  | 3.5 |  |  |  |  |
Interest Coverage Ratio |  |  | 14.7 |  |  |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Revolving Credit Facility Basis Spread Condition One [Member] | Opco [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 2.50% |  |  |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Revolving Credit Facility Basis Spread Condition One [Member] | Opco [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 3.50% |  |  |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Revolving Credit Facility Basis Spread Condition Two [Member] | Opco [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 3.50% |  |  |  |  |
Floating Rate Revolving Credit Facility Due October 2029 [Member] | Revolving Credit Facility Basis Spread Condition Two [Member] | Opco [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 4.50% |  |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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