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Note 7 - Long-term Debt - Early Extinguishment of Debt (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Loss on early extinguishments and modifications of debt	$ 34,200	$ 1,791	$ 34,949	$ 61
Bank Credit Facility [Member]
Loss on early extinguishments and modifications of debt		984	3,072	61
Amended Credit Facility [Member]
Loss on early extinguishments and modifications of debt		807	0	0
Senior Notes 6.875% Due 2023 [Member] | Premium and Consent Fees [Member]
Loss on early extinguishments and modifications of debt		0	25,785	0
Senior Notes 6.875% Due 2023 [Member] | Deferred Finance Charges [Member]
Loss on early extinguishments and modifications of debt		$ 0	$ 6,092	$ 0

X

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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