Note 16 - Supplemental Cash Flow Disclosures - Schedule of Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash paid for interest	$ 19,153	$ 64,950	$ 8,525
Cash paid for (refunded from) income taxes	(14,943)	(13,815)	16,125
Cash paid for reorganization items	24,719
Non-cash investing and financing activity:
Capital lease obligations			25,847
Change in accrued capital expenditures	(3,182)	(42,793)	8,120
Non-cash consideration for business acquisition		$ 735,125