Note 11 - Goodwill and Intangible Assets (Details) - Summary of Changes in Goodwill (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of Changes in Goodwill [Abstract]
Goodwill, gross	$ 283,005	$ 269,118	$ 269,118
Goodwill, gross	13,887	0
Goodwill, gross	0	0
Accumulated goodwill impairment	(98,596)	(98,596)	(98,596)
Goodwill, net	184,409	170,522	170,522
Goodwill, net	13,887	0
Goodwill, net	$ 0	$ 0