Annual report pursuant to Section 13 and 15(d)

Note 2 - Long-term Debt - Components of Long-term Debt (Details)

v3.20.4
Note 2 - Long-term Debt - Components of Long-term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Oct. 18, 2018
Debt instrument $ 632,460 $ 730,000  
Total long-term debt 625,286 719,533  
Credit Agreement [Member]      
Debt instrument [1] 80,000 105,000  
Total long-term debt 80,000 105,000  
Senior Second Lien Notes Due November 2023 [Member]      
Debt instrument [1] 545,286 614,533  
Principal 552,460 625,000 $ 625,000
Unamortized debt issuance costs (7,174) (10,467)  
Total long-term debt $ 545,286 $ 614,533  
[1] Defined below