Note 4 - Fair Value - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands |
Sep. 30, 2022 |
Dec. 31, 2021 |
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Assets: | ||||||||
Non-qualified benefit plan assets (a) | [1] | $ 8,340 | $ 10,347 | |||||
Interest Rate Derivative Assets, at Fair Value | [2] | 7,013 | 0 | |||||
Total Assets | 15,353 | 10,347 | ||||||
Liabilities: | ||||||||
Interest rate swaps (b) | 0 | 6,428 | ||||||
Long-term debt (c) | [3] | 210,522 | 218,875 | |||||
Total Liabilities | $ 210,522 | $ 225,303 | ||||||
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