Note 2 - Chapter 11 Proceeding and Emergence - Liabilities Subject to Compromise (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Debt subject to compromise	$ 1,333,800
Accrued interest on debt subject to compromise	37,516
Accounts payable and other estimated allowed claims	60,780
Related party payables	13,250
Total liabilities subject to compromise	1,445,346
Line of Credit [Member]
Debt subject to compromise	284,400
Five-Year Term Loans [Member]
Debt subject to compromise	569,250
Seven-Year Term Loans [Member]
Debt subject to compromise	$ 480,150