Note 7 - Other Assets (Details) - Summary of Major Components of Other Assets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary of Major Components of Other Assets [Abstract]
Cash surrender value of life insurance other than BOLI	$ 12,473	$ 12,019
Net deferred tax asset	12,365	12,377
Investments in tax credit related ventures	5,289	5,090
Other real estate owned and other foreclosed property	4,541	5,977
Other short term receivables	1,921	2,149
Core deposit intangible	1,601	1,820
Mortgage servicing rights (MSRs)	1,018	1,131	$ 1,832
Goodwill	682	682
Investment in bank in expansion market	520	520
Other	5,806	5,907
Total	$ 46,216	$ 47,672