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Note 3 - Recently Adopted Accounting Pronouncements (Tables) | 9 Months Ended
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Sep. 30, 2020
Notes Tables |
Financing Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Trade |  |  | Due |
|  | and |  |  | from |
(In thousands) |  | Other Receivables |  |  | Affiliate |
Balance at January 1, 2020 |  | $ | 70 |  |  | $ | 20,083 |
Cumulative effect adjustment upon adoption of standard |  |  | 163 |  |  |  | — |
Current period provision for expected credit losses |  |  | 418 |  |  |  | 54,550 |
Other |  |  | — |  |  |  | (1,937 | )
Balance at September 30, 2020 |  | $ | 651 |  |  | $ | 72,696 |

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