Note 15 - Balance Sheet Offsetting (Details) - Financial Instruments that are Eligible for Offset in the Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Financial Instruments that are Eligible for Offset in the Consolidated Balance Sheet [Abstract]
Gross Amounts of Recognized Liabilities	$ 700,000	$ 800,000
Net Amounts of Liabilities Presented in the Statement of Financial Position	700,000	800,000
Collateral Posted	(700,000)	(800,000)
Derivatives	454
Derivatives	454
Derivatives	$ (454)