Note 9 - Borrowed Funds (Details) - Securities Sold Under Agreements to Repurchase (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014
Note 9 - Borrowed Funds (Details) - Securities Sold Under Agreements to Repurchase [Line Items]
No. of Agreements	4
Amount (in Dollars)	$ 200,000
Weighted Average Interest Rate	2.78%
Maturing One to Three Years [Member]
Note 9 - Borrowed Funds (Details) - Securities Sold Under Agreements to Repurchase [Line Items]
No. of Agreements	1
Amount (in Dollars)	50,000
Weighted Average Interest Rate	2.69%
Maturing in Three to Five Years [Member]
Note 9 - Borrowed Funds (Details) - Securities Sold Under Agreements to Repurchase [Line Items]
No. of Agreements	3
Amount (in Dollars)	$ 150,000
Weighted Average Interest Rate	2.81%