Note 10 - Debt (Details) - Summary of Interest Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Summary of Interest Expense [Abstract]
Interest expense	$ 5,796	$ 7,609	$ 19,365	$ 24,631
Capitalized interest expense	(2,237)	(5,307)	(7,228)	(12,039)
Interest expense, net	$ 3,559	$ 2,302	$ 12,137	$ 12,592