Note 26 - Earnings Per Common Share (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 26 - Earnings Per Common Share (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares	700,000	2,000,000
Weighted Average Number of Shares, Common Stock Subject to Repurchase or Cancellation	1,443,826	1,404,165	647,481
March Twenty Two Thousand and Fourteen Plan [Member]
Note 26 - Earnings Per Common Share (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares	700,000
Two Separate Plans Announced in 2013 [Member]
Note 26 - Earnings Per Common Share (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares		2,000,000
Two Thousand and Twelve Plan [Member]
Note 26 - Earnings Per Common Share (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares			1,019,490