Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Allowance for Loan Losses (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended						3 Months Ended		9 Months Ended											3 Months Ended		9 Months Ended											3 Months Ended		9 Months Ended											3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2012	Jun. 29, 2013	Dec. 31, 2012	Sep. 30, 2013 1-4 Family [Member]	Sep. 30, 2012 1-4 Family [Member]	Sep. 30, 2013 1-4 Family [Member]	Sep. 30, 2012 1-4 Family [Member]	Jun. 29, 2013 1-4 Family [Member]	Dec. 31, 2012 1-4 Family [Member]	Jun. 30, 2012 1-4 Family [Member]	Dec. 31, 2011 1-4 Family [Member]	Sep. 30, 2013 1-4 Family [Member] Three Months [Member]	Sep. 30, 2012 1-4 Family [Member] Three Months [Member]	Sep. 30, 2013 1-4 Family [Member] Nine Months [Member] Allowance for Loan and Lease Losses [Member]	Sep. 30, 2013 1-4 Family [Member] Nine Months [Member]	Sep. 30, 2012 1-4 Family [Member] Nine Months [Member]	Sep. 30, 2013 Commercial Real Estate [Member]	Sep. 30, 2012 Commercial Real Estate [Member]	Sep. 30, 2013 Commercial Real Estate [Member]	Sep. 30, 2012 Commercial Real Estate [Member]	Jun. 29, 2013 Commercial Real Estate [Member]	Dec. 31, 2012 Commercial Real Estate [Member]	Jun. 30, 2012 Commercial Real Estate [Member]	Dec. 31, 2011 Commercial Real Estate [Member]	Sep. 30, 2013 Commercial Real Estate [Member] Three Months [Member]	Sep. 30, 2012 Commercial Real Estate [Member] Three Months [Member]	Sep. 30, 2013 Commercial Real Estate [Member] Nine Months [Member] Allowance for Loan and Lease Losses [Member]	Sep. 30, 2013 Commercial Real Estate [Member] Nine Months [Member]	Sep. 30, 2012 Commercial Real Estate [Member] Nine Months [Member]	Sep. 30, 2013 Consumer Loan [Member]	Sep. 30, 2012 Consumer Loan [Member]	Sep. 30, 2013 Consumer Loan [Member]	Sep. 30, 2012 Consumer Loan [Member]	Jun. 29, 2013 Consumer Loan [Member]	Dec. 31, 2012 Consumer Loan [Member]	Jun. 30, 2012 Consumer Loan [Member]	Dec. 31, 2011 Consumer Loan [Member]	Sep. 30, 2013 Consumer Loan [Member] Three Months [Member]	Sep. 30, 2012 Consumer Loan [Member] Three Months [Member]	Sep. 30, 2013 Consumer Loan [Member] Nine Months [Member] Allowance for Loan and Lease Losses [Member]	Sep. 30, 2013 Consumer Loan [Member] Nine Months [Member]	Sep. 30, 2012 Consumer Loan [Member] Nine Months [Member]	Sep. 30, 2013 Commercial Business [Member]	Sep. 30, 2012 Commercial Business [Member]	Sep. 30, 2013 Commercial Business [Member]	Sep. 30, 2012 Commercial Business [Member]	Jun. 29, 2013 Commercial Business [Member]	Dec. 31, 2012 Commercial Business [Member]	Jun. 30, 2012 Commercial Business [Member]	Dec. 31, 2011 Commercial Business [Member]	Sep. 30, 2013 Commercial Business [Member] Three Months [Member]	Sep. 30, 2012 Commercial Business [Member] Three Months [Member]	Sep. 30, 2013 Commercial Business [Member] Nine Months [Member] Allowance for Loan and Lease Losses [Member]	Sep. 30, 2013 Commercial Business [Member] Nine Months [Member]	Sep. 30, 2012 Commercial Business [Member] Nine Months [Member]	Sep. 30, 2013 Three Months [Member]	Sep. 30, 2012 Three Months [Member]	Sep. 30, 2013 Nine Months [Member] Allowance for Loan and Lease Losses [Member]	Sep. 30, 2013 Nine Months [Member]	Sep. 30, 2012 Nine Months [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance			$ 20,519		$ 21,608		$ 23,888	$ 20,359						$ 2,059	$ 2,821	$ 3,665	$ 3,718	$ 1,384	$ 3,044	$ 1,384	$ 1,384	$ 3,044					$ 14,089	$ 13,588	$ 11,553	$ 13,622	$ 11,286	$ 12,311	$ 11,286	$ 11,286	$ 12,311					$ 1,431	$ 1,146	$ 1,268	$ 1,159	$ 1,013	$ 1,202	$ 1,013	$ 1,013	$ 1,202					$ 2,780	$ 4,053	$ 4,033	$ 5,389	$ 2,822	$ 3,905	$ 2,822	$ 2,822	$ 3,905	$ 16,505	$ 20,462	$ 16,505	$ 16,505	$ 20,462
Individually reviewed for impairment	28,137			28,137	28,137				37,100	3,423		3,423			4,687								22,569		22,569			28,195								746		746			1,823								1,399		1,399			2,395
Collectively reviewed for impairment	381,702			381,702	381,702				438,673	75,158		75,158			92,350								184,892		184,892			216,712								52,668		52,668			52,152								68,984		68,984			77,459
Total Loans	409,839			409,839	409,839				475,773	78,581		78,581			97,037								207,461		207,461			244,907								53,414		53,414			53,975								70,383		70,383			79,854
Specific reserves	6,552			6,552	6,552				4,813	309		309			571								5,218		5,218			2,591								335		335			537								690		690			1,114
General reserves	9,953			9,953	9,953				16,795	1,075		1,075			2,250								6,068		6,068			10,997								678		678			609								2,132		2,132			2,939
Provision for losses	(4,330)	1,584	1,584	(4,850)	(4,850)	2,544	2,544			(675)	(621)	(1,250)	(674)										(3,512)	2,246	(2,646)	3,037										(58)	4	256	851										(85)	(45)	(1,210)	(670)
Charge-offs	(426)	(1,866)		(2,192)		(8,636)				0	0	(200)	0										(2)	(1,535)	(911)	(5,719)										(374)	(164)	(475)	(921)										(50)	(167)	(606)	(1,996)
Recoveries	902	225		1,939		2,666				0	0	13	0										711	47	1,255	1,371										14	94	86	113										177	84	585	1,182
Balance	$ 16,505			$ 16,505	$ 16,505			$ 20,359						$ 2,059	$ 2,821	$ 3,665	$ 3,718	$ 1,384	$ 3,044	$ 1,384	$ 1,384	$ 3,044					$ 14,089	$ 13,588	$ 11,553	$ 13,622	$ 11,286	$ 12,311	$ 11,286	$ 11,286	$ 12,311					$ 1,431	$ 1,146	$ 1,268	$ 1,159	$ 1,013	$ 1,202	$ 1,013	$ 1,013	$ 1,202					$ 2,780	$ 4,053	$ 4,033	$ 5,389	$ 2,822	$ 3,905	$ 2,822	$ 2,822	$ 3,905	$ 16,505	$ 20,462	$ 16,505	$ 16,505	$ 20,462