Note 10 - Debt Obligations (Details) - Summary of Interest Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Summary of Interest Expense [Abstract]
Interest expense	$ 6,593	$ 6,652	$ 13,300	$ 13,569
Capitalized interest expense	(3,080)	(2,372)	(5,950)	(4,991)
Interest expense, net	$ 3,513	$ 4,280	$ 7,350	$ 8,578