Note 17 - Share-based Compensation (Details) - Summary of the Status of Non-Vested Time-Based Restricted Stock and Restricted Stock Units (Time-Based Restricted Stock and Restricted Stock Units [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2014
Time-Based Restricted Stock and Restricted Stock Units [Member]
Note 17 - Share-based Compensation (Details) - Summary of the Status of Non-Vested Time-Based Restricted Stock and Restricted Stock Units [Line Items]
Non-vested shares and share units at December 31, 2013	6,108
Non-vested shares and share units at December 31, 2013	$ 14.58
Granted	1,270
Granted	$ 20.28
Vested	(1,011)
Vested	$ 18.57
Forfeited	(7)
Forfeited	$ 14.91
Non-vested shares and share units at March 31, 2014	6,360
Non-vested shares and share units at March 31, 2014	$ 15.08

Note 17 - Share-based Compensation (Details) - Summary of the Status of Non-Vested Time-Based Restricted Stock and Restricted Stock Units (Time-Based Restricted Stock and Restricted Stock Units [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified

3 Months Ended

Mar. 31, 2014

Time-Based Restricted Stock and Restricted Stock Units [Member]

Note 17 - Share-based Compensation (Details) - Summary of the Status of Non-Vested Time-Based Restricted Stock and Restricted Stock Units [Line Items]

Non-vested shares and share units at December 31, 2013

6,108

Non-vested shares and share units at December 31, 2013

$ 14.58

1,270

$ 20.28

(1,011)

$ 18.57

(7)

$ 14.91

Non-vested shares and share units at March 31, 2014

6,360

Non-vested shares and share units at March 31, 2014

$ 15.08

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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