Note 22 - Holding Company Condensed Financial Information (Details) - Condensed Statements of Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Income Statements, Captions [Line Items]
Provision (benefit) for income taxes	$ 1,930	$ 1,189	$ 1,168	$ 1,182	$ (224)	$ (19,386)	$ 382	$ 813	$ 5,469	$ (18,415)	$ 2,721
Net income (loss)	3,318	1,982	2,027	2,028	1,823	22,233	1,499	2,176	9,355	27,731	(1,864)
Holding Company [Member]
Condensed Income Statements, Captions [Line Items]
Equity in undistributed income (loss) of subsidiary									9,848	27,509	(1,738)
Other operating expense									279	142	126
Net income (loss) before provision (benefit) for income taxes									9,569	27,367	(1,864)
Provision (benefit) for income taxes									214	(364)
Net income (loss)									$ 9,355	$ 27,731	$ (1,864)