Note 6 - Loans (Details) - Nonaccrual Loans, Segregated by Loan Class (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Note 6 - Loans (Details) - Nonaccrual Loans, Segregated by Loan Class [Line Items]
Nonaccrual Loans	$ 24,488	$ 29,796
Commercial Portfolio Segment [Member]
Note 6 - Loans (Details) - Nonaccrual Loans, Segregated by Loan Class [Line Items]
Nonaccrual Loans	7,065	6,527
Commercial Real Estate Other Receivable [Member]
Note 6 - Loans (Details) - Nonaccrual Loans, Segregated by Loan Class [Line Items]
Nonaccrual Loans	9,896	14,539
Residential One To Four Family [Member]
Note 6 - Loans (Details) - Nonaccrual Loans, Segregated by Loan Class [Line Items]
Nonaccrual Loans	7,438	8,217
Residential Real Estate and Home Equities [Member]
Note 6 - Loans (Details) - Nonaccrual Loans, Segregated by Loan Class [Line Items]
Nonaccrual Loans	$ 89	$ 513