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Note 6 - Long-term Debt - Early Extinguishment of Debt (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Loss on early extinguishments and modifications of debt $ 95,155 $ 1,791 $ 34,949
Senior Note 6.375% Due 2026 [Member] | Premium and Consent Fees [Member]      
Loss on early extinguishments and modifications of debt 23,910 0 0
Senior Note 6.375% Due 2026 [Member] | Deferred Finance Charges [Member]      
Loss on early extinguishments and modifications of debt 6,370 0 0
Senior Notes 6.000% Due 2026 [Member] | Premium and Consent Fees [Member]      
Loss on early extinguishments and modifications of debt 27,953 0 0
Senior Notes 6.000% Due 2026 [Member] | Deferred Finance Charges [Member]      
Loss on early extinguishments and modifications of debt 7,240 0 0
Senior Notes 8.625% Due 2025 [Member] | Premium and Consent Fees [Member]      
Loss on early extinguishments and modifications of debt 25,873 0 0
Senior Notes 8.625% Due 2025 [Member] | Deferred Finance Charges [Member]      
Loss on early extinguishments and modifications of debt 3,732 0 0
Bank Credit Facility [Member]      
Loss on early extinguishments and modifications of debt 77 984 3,072
Amended Credit Facility [Member]      
Loss on early extinguishments and modifications of debt 0 807 0
Senior Notes 6.875% Due 2023 [Member] | Premium and Consent Fees [Member]      
Loss on early extinguishments and modifications of debt 0 0 25,785
Senior Notes 6.875% Due 2023 [Member] | Deferred Finance Charges [Member]      
Loss on early extinguishments and modifications of debt $ 0 $ 0 $ 6,092