Note 21 - Derivatives (Details) - Notional Amount, Effective Dates and Maturity Dates of the IR Contracts (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Forward Starting Interest Rate Swap One [Member]
Note 21 - Derivatives (Details) - Notional Amount, Effective Dates and Maturity Dates of the IR Contracts [Line Items]
Notional amount	$ 75,000
Effective date	Aug. 01, 2014
Maturity	Aug. 03, 2015
Forward Starting Interest Rate Swap Two [Member]
Note 21 - Derivatives (Details) - Notional Amount, Effective Dates and Maturity Dates of the IR Contracts [Line Items]
Notional amount	75,000
Effective date	Aug. 03, 2015
Maturity	Aug. 01, 2016
Forward Starting Interest Rate Swap Three [Member]
Note 21 - Derivatives (Details) - Notional Amount, Effective Dates and Maturity Dates of the IR Contracts [Line Items]
Notional amount	$ 75,000
Effective date	Aug. 01, 2016
Maturity	Aug. 01, 2017