Note 10 - Borrowed Funds (Details) - Securities Sold Under Agreements to Repurchase (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Note 10 - Borrowed Funds (Details) - Securities Sold Under Agreements to Repurchase [Line Items]
No. of Agreements	4
Amount (In thousands) (in Dollars)	$ 200,000
Weighted Average Interest Rate	2.78%
Maturing in One to Three Years [Member]
Note 10 - Borrowed Funds (Details) - Securities Sold Under Agreements to Repurchase [Line Items]
No. of Agreements	1
Amount (In thousands) (in Dollars)	50,000
Weighted Average Interest Rate	2.69%
Maturing in Three to Five Years [Member]
Note 10 - Borrowed Funds (Details) - Securities Sold Under Agreements to Repurchase [Line Items]
No. of Agreements	3
Amount (In thousands) (in Dollars)	$ 150,000
Weighted Average Interest Rate	2.81%