Note 9 - Borrowed Funds (Details) - Callable Securities Sold Under Agreements to Repurchase (USD $) In Thousands, unless otherwise specified		3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014 Fixed to Floating Fifty Million With One Agreement at Three Point Seven Five Percent [Member] Callable [Member]	Mar. 31, 2014 Fixed to Floating One Hundred Million With Two Agreements at Three Point Five Percent [Member] Callable [Member]	Mar. 31, 2014 Fixed to Floating Fifty Million With One Agreement at Three Point Five Percent [Member] Callable [Member]	Mar. 31, 2014 Floating to Fixed One Hundred Million [Member] Callable [Member]	Mar. 31, 2014 Floating To Fixed Two Hundred Million [Member] Callable [Member]	Dec. 31, 2014 Callable [Member]	Mar. 31, 2014 Callable [Member]
Note 9 - Borrowed Funds (Details) - Callable Securities Sold Under Agreements to Repurchase [Line Items]
Maximum rate		3.75%	3.50%	3.50%
Minimum rate		0.00%	0.00%	0.00%
No. of agreements	4	1	2	1		1	9	4
Amount (in Dollars)	$ 200,000	$ 50,000	$ 100,000	$ 50,000		$ 100,000	$ 500,000	$ 200,000
Weighted average rate	2.78%	3.75%	3.50%	3.50%		4.78%	4.38%	5.00%
Final maturity		Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2017