Note 8 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended			6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2013 Retail Home Equity Loans And Lines [Member]	Jun. 30, 2014 Commercial:Commercial and Industrial [Member]	Jun. 30, 2013 Commercial:Commercial and Industrial [Member]	Jun. 30, 2014 Commercial:Commercial and Industrial [Member]	Jun. 30, 2013 Commercial:Commercial and Industrial [Member]	Jun. 30, 2014 Commercial:Construction [Member]	Jun. 30, 2013 Commercial:Construction [Member]	Jun. 30, 2014 Commercial:Construction [Member]	Jun. 30, 2013 Commercial:Construction [Member]	Jun. 30, 2014 Commercial:Secured by Commercial Real Estate [Member]	Jun. 30, 2013 Commercial:Secured by Commercial Real Estate [Member]	Jun. 30, 2014 Commercial:Secured by Commercial Real Estate [Member]	Jun. 30, 2013 Commercial:Secured by Commercial Real Estate [Member]	Jun. 30, 2014 Commercial Secured By Residential Real Estate [Member]	Jun. 30, 2013 Commercial Secured By Residential Real Estate [Member]	Jun. 30, 2014 Commercial Secured By Residential Real Estate [Member]	Jun. 30, 2013 Commercial Secured By Residential Real Estate [Member]	Jun. 30, 2014 State And Political Subdivisions [Member]	Jun. 30, 2013 State And Political Subdivisions [Member]	Jun. 30, 2014 State And Political Subdivisions [Member]	Jun. 30, 2013 State And Political Subdivisions [Member]	Jun. 30, 2014 Loans To Depository Institutions [Member]	Jun. 30, 2014 Loans To Depository Institutions [Member]	Jun. 30, 2013 Loans To Depository Institutions [Member]	Mar. 31, 2013 Loans To Depository Institutions [Member]	Jun. 30, 2014 Indirect Lease Financing [Member]	Jun. 30, 2013 Indirect Lease Financing [Member]	Jun. 30, 2014 Indirect Lease Financing [Member]	Jun. 30, 2013 Indirect Lease Financing [Member]	Jun. 30, 2014 Retail:1-4 Family Residential Mortgages [Member]	Jun. 30, 2013 Retail:1-4 Family Residential Mortgages [Member]	Jun. 30, 2014 Retail:1-4 Family Residential Mortgages [Member]	Jun. 30, 2013 Retail:1-4 Family Residential Mortgages [Member]	Jun. 30, 2014 Retail Home Equity Loans And Lines [Member]	Jun. 30, 2014 Retail Home Equity Loans And Lines [Member]	Jun. 30, 2013 Retail Home Equity Loans And Lines [Member]	Jun. 30, 2014 Retail:Consumer [Member]	Jun. 30, 2013 Retail:Consumer [Member]	Jun. 30, 2014 Retail:Consumer [Member]	Jun. 30, 2013 Retail:Consumer [Member]	Jun. 30, 2014 Unallocated Financing Receivables [Member]	Jun. 30, 2013 Unallocated Financing Receivables [Member]	Jun. 30, 2014 Unallocated Financing Receivables [Member]	Jun. 30, 2013 Unallocated Financing Receivables [Member]
Commercial:
Balance, Beginning of Period	$ 8,819	$ 9,351	$ 8,925	$ 9,772	$ 714	$ 2,308	$ 2,314	$ 2,044	$ 2,505	$ 391	$ 230	$ 439	$ 209	$ 2,757	$ 3,873	$ 2,898	$ 3,795	$ 1,465	$ 1,146	$ 1,632	$ 1,230	$ 293	$ 257	$ 186	$ 260	$ 3	$ 4	$ 15	$ 10	$ 106	$ 179	$ 103	$ 168	$ 314	$ 300	$ 303	$ 324	$ 602	$ 583	$ 582	$ 63	$ 29	$ 64	$ 27	$ 517	$ 299	$ 669	$ 657
Provision for (Credit to) Loan Losses		100		100	24	55	(328)	329	(526)	(151)	12	(199)	33	(157)	42	(298)	120	238	246	68	498	(79)	20	28	17	(2)	(3)	(5)		(19)	(29)	(14)	(27)	58	(11)	69	(35)	(127)	(40)	248	22	5	50	16	162	119	10	(239)
Charge-offs	(62)	(92)	(216)	(543)	(79)			(17)												(1)	(336)											(6)	(1)					(34)	(121)	(172)	(28)	(13)	(71)	(34)
Recoveries	143	72	191	102	5	44	8	51	15						1		1	5	45	9	45									5	6	9	16					79	98	6	10	7	24	19
Balance, End of Period	$ 8,900	$ 9,431	$ 8,900	$ 9,431	$ 664	$ 2,407	$ 1,994	$ 2,407	$ 1,994	$ 240	$ 242	$ 240	$ 242	$ 2,600	$ 3,916	$ 2,600	$ 3,916	$ 1,708	$ 1,437	$ 1,708	$ 1,437	$ 214	$ 277	$ 214	$ 277	$ 1	$ 1	$ 10	$ 10	$ 92	$ 156	$ 92	$ 156	$ 372	$ 289	$ 372	$ 289	$ 520	$ 520	$ 664	$ 67	$ 28	$ 67	$ 28	$ 679	$ 418	$ 679	$ 418