Note 9 - Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Note 9 - Fair Value Measurements (Details) [Line Items]
Securities Selected for OTTI Analysis, Market Price Threshold (in Dollars per Item)	95
Securities Selected for OTTI Analysis, Market To Book Ratio Threshold	95
Loans and Leases Receivable, Allowance	$ 32,109	$ 31,693	$ 30,354	$ 30,234
Purchased Covered Loans [Member]
Note 9 - Fair Value Measurements (Details) [Line Items]
Loans and Leases Receivable, Allowance		1,561	738	1,005
Fair Value Discount, Credit Default Risk, Purchased Loans	643	10,933
Purchased Non-Covered Loans [Member]
Note 9 - Fair Value Measurements (Details) [Line Items]
Loans and Leases Receivable, Allowance	2,574
Fair Value Discount, Credit Default Risk, Purchased Loans	$ 12,140	$ 3,245
Fair Value, Inputs, Level 2 [Member]
Note 9 - Fair Value Measurements (Details) [Line Items]
Fair Value Inputs, Discount Rate	10.00%