Note 16 - Share-based Compensation (Details) - Summary of Information Concerning Stock Options Outstanding Including the Related Transactions under the Stock Option Plans - Jun. 30, 2015 - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	Total
Summary of Information Concerning Stock Options Outstanding Including the Related Transactions under the Stock Option Plans [Abstract]
Options Outstanding as of December 31, 2014	48,724
Options Outstanding as of December 31, 2014	$ 18.94
Granted	1,572
Granted	$ 21.49
Exercised	(5,994)
Exercised	$ 16.36
Forfeited and Expired	(135)
Forfeited and Expired	$ 17.10
Options Outstanding as of June 30, 2015	44,167
Options Outstanding as of June 30, 2015	$ 19.39
Options Outstanding as of June 30, 2015	4 years 135 days
Options Outstanding as of June 30, 2015	$ 134,198
Options Expected to Vest as of June 30, 2015	44,103
Options Expected to Vest as of June 30, 2015	$ 19.39
Options Expected to Vest as of June 30, 2015	4 years 131 days
Options Expected to Vest as of June 30, 2015	$ 134,060
Options Exercisable as of June 30, 2015	36,560
Options Exercisable as of June 30, 2015	$ 19.85
Options Exercisable as of June 30, 2015	3 years 189 days
Options Exercisable as of June 30, 2015	$ 105,383