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Note 3 - Allowance for Credit Losses (Tables) | 3 Months Ended
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Mar. 31, 2022
Notes Tables |
Financing Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Trade |  |  | Due |
(In Thousands) |  | and Other |  |  | from |
|  | Receivables |  |  | Affiliates |
Balance at January 1, 2022 |  | $ | 1,948 |  |  | $ | 72,456 |
Current period provision for expected credit losses |  |  | 39 |  |  |  | — |
Acquisition of Sonatide joint venture (see Note 7) |  |  | — |  |  |  | (59,678 | )
Other |  |  | — |  |  |  | 34 |
Balance at March 31, 2022 |  | $ | 1,987 |  |  | $ | 12,812 |

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