Note 9 - Borrowed Funds and Securities Sold Under Agreements to Repurchase (Details) - Borrowings Which Have Call Provisions (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Repurchase agreement 2 [Member]	Dec. 31, 2013 Repurchase agreement 1 [Member]	Dec. 31, 2013 Repurchase agreement 9 [Member]	Dec. 31, 2013 Repurchase agreement 8 [Member]	Dec. 31, 2013 Repurchase agreement 7 [Member]	Dec. 31, 2013 Repurchase agreement 10 [Member]	Dec. 31, 2013 Repurchase agreement 11 [Member]	Dec. 31, 2013 Repurchase agreement 3 [Member]	Dec. 31, 2013 Repurchase agreement 4 [Member]	Dec. 31, 2013 FHLB - NY advance 1 [Member]	Dec. 31, 2013 FHLB - NY advance 2 [Member]	Dec. 31, 2013 FHLB - NY advance 3 [Member]	Dec. 31, 2013 FHLB - NY advance 4 [Member]	Dec. 31, 2013 FHLB - NY advance 5 [Member]
Note 9 - Borrowed Funds and Securities Sold Under Agreements to Repurchase (Details) - Borrowings Which Have Call Provisions [Line Items]
Amount, FHLB-NY advances - fixed rate	$ 155,300	$ 185,300										$ 20,000	$ 30,000	$ 10,000	$ 10,000	$ 10,000
Rate, FHLB-NY advances - fixed rate												4.43%	4.60%	4.13%	4.32%	4.15%
Maturity Date, FHLB-NY advances - fixed rate			8/1/2020	10/18/2017	7/28/2016	7/28/2016	9/19/2017	4/19/2016	7/12/2016	8/1/2020	2/1/2020	10/10/2017	10/10/2017	9/18/2017	9/18/2017	9/18/2017
Call Date, FHLB-NY advances - fixed rate			2/1/2016	1/21/2014	1/28/2014	1/28/2014	3/19/2014	4/21/2014	7/14/2014	2/1/2016	2/1/2016	1/9/2014	1/9/2014	3/17/2014	3/17/2014	3/18/2014
Amount, Repurchase agreements - fixed rate	$ 827,252	$ 739,183	$ 20,000	$ 18,000	$ 10,000	$ 20,000	$ 20,000	$ 18,000	$ 20,000	$ 10,000	$ 10,000
Rate, Repurchase agreements - fixed rate			3.76%	4.28%	4.89%	5.02%	4.05%	1.60%	2.20%	3.08%	3.19%
Maturity Date, Repurchase agreements - fixed rate			8/1/2020	10/18/2017	7/28/2016	7/28/2016	9/19/2017	4/19/2016	7/12/2016	8/1/2020	2/1/2020	10/10/2017	10/10/2017	9/18/2017	9/18/2017	9/18/2017
Call Date, Repurchase agreements - fixed rate			2/1/2016	1/21/2014	1/28/2014	1/28/2014	3/19/2014	4/21/2014	7/14/2014	2/1/2016	2/1/2016	1/9/2014	1/9/2014	3/17/2014	3/17/2014	3/18/2014