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Note 7 - Equity Investment (Tables) | 3 Months Ended
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Mar. 31, 2025
Notes Tables |
Equity Method Investments [Table Text Block] |
|  | For the Three Months Ended March 31, |
(In thousands) |  | 2025 |  |  | 2024 |
Balance at beginning of period |  | $ | 257,355 |  |  | $ | 276,549 |
Income allocation to NRP’s equity interests (1) |  |  | 5,764 |  |  |  | 6,646 |
Amortization of basis difference |  |  | (1,153 | ) |  |  | (1,196 | )
Other comprehensive income |  |  | 2,260 |  |  |  | 845 |
Distributions |  |  | (2,940 | ) |  |  | (14,210 | )
Balance at end of period |  | $ | 261,286 |  |  | $ | 268,634 |
|  | For the Three Months Ended March 31, |
(In thousands) |  | 2025 |  |  | 2024 |
Net sales |  | $ | 153,309 |  |  | $ | 130,431 |
Gross profit |  |  | 19,033 |  |  |  | 21,233 |
Net income |  |  | 11,764 |  |  |  | 13,563 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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Period Type: | duration

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- References No definition available. + Details
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Period Type: | duration