Note 12 - Stock Incentive and Employee Benefit Plans (Details) - Compensation Expense (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 9,015	$ 7,151	$ 11,239
Stock Options and Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	3,875	4,523	7,259
Unrestricted Stock Grants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	400	488	3,980
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	1,073	378
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 3,667	$ 1,762