Note 20 - Parent Company Only Financial Statements (Details) - Condensed Statements of Cash Flows (Parentheticals) (Series F Noncumulative Perpetual Preferred Stock [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2012
Condensed Cash Flow Statements, Captions [Line Items]
Redemption of shares of Series F Noncumulative Perpetual Preferred Stock, net	29,867	10,223
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Redemption of shares of Series F Noncumulative Perpetual Preferred Stock, net	10,223