Note 7 - Premises and Equipment, net (Details) - Premises and Equipment Balances (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 48,307	$ 48,756
Accumulated depreciation	(25,677)	(25,389)
Premises and equipment, net	22,630	23,367
Land [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	5,521	5,521
Building [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	19,446	19,395
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	3,760	3,746
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	13,382	13,259
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	5,547	5,344
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	95	95
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 556	$ 1,396