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Note 11 - Equity Method Investment - TEL's Summarized Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Total Assets | $ 723,833 | $ 881,640
Total Liabilities | 409,037 | 531,529
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] |  |
Total Assets | 337,699 | 374,591
Total Liabilities | 279,543 | 318,743
Total Equity | $ 58,156 | $ 55,848

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