Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	$ (1,371)	$ (703)	$ (2,437)	$ (3,257)
Consumer Loans [Member] | Credit Card Receivable [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(539)	(617)	(1,212)	(1,404)
Consumer Loans [Member] | Student Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(17)	(20)	(30)	(38)
Consumer Loans [Member] | Other Consumer [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(177)	(97)	(343)	(149)
Consumer Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(733)	(734)	(1,585)	(1,591)
Real Estate Loans [Member] | Construction Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(7)		(119)	46
Real Estate Loans [Member] | Single Family Residential Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(54)	9	(89)	(211)
Real Estate Loans [Member] | Other Commercial Real Estate Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(531)	161	(555)	(1,274)
Real Estate Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(592)	170	(763)	(1,439)
Commercial Loans [Member] | Commercial [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(28)	11	(57)	(43)
Commercial Loans [Member] | Agricultural Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	(18)	(150)	(32)	(184)
Commercial Loans [Member]
Note 4 - Loans and Allowance for Loan Losses (Details) - Net (charge-offs)/recoveries, excluding loans aquired: [Line Items]
Finance Receivables, net (charge-offs)/recoveries	$ (46)	$ (139)	$ (89)	$ (227)