Note 6 - Loans (Details) - Average Recorded Investment and Interest Income Recognized on Impaired Loans by Loan Class (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Note 6 - Loans (Details) - Average Recorded Investment and Interest Income Recognized on Impaired Loans by Loan Class [Line Items]
Average Recorded Investment	$ 36,172	$ 47,121	$ 39,402	$ 47,285
Interest Income Recognized	113	113	254	222
Commercial Portfolio Segment [Member]
Note 6 - Loans (Details) - Average Recorded Investment and Interest Income Recognized on Impaired Loans by Loan Class [Line Items]
Average Recorded Investment	4,295	5,936	6,114	4,695
Interest Income Recognized		14	1	19
Commercial Real Estate Other Receivable [Member]
Note 6 - Loans (Details) - Average Recorded Investment and Interest Income Recognized on Impaired Loans by Loan Class [Line Items]
Average Recorded Investment	18,402	26,160	19,806	27,641
Interest Income Recognized	77	75	184	157
Residential One To Four Family [Member]
Note 6 - Loans (Details) - Average Recorded Investment and Interest Income Recognized on Impaired Loans by Loan Class [Line Items]
Average Recorded Investment	12,136	14,377	12,214	14,382
Interest Income Recognized	28	20	52	39
Residential Real Estate and Home Equities [Member]
Note 6 - Loans (Details) - Average Recorded Investment and Interest Income Recognized on Impaired Loans by Loan Class [Line Items]
Average Recorded Investment	1,310	648	1,268	567
Interest Income Recognized	8	4	17	7
Consumer Portfolio Segment [Member]
Note 6 - Loans (Details) - Average Recorded Investment and Interest Income Recognized on Impaired Loans by Loan Class [Line Items]
Average Recorded Investment	$ 29