Note 4 - Allowance for Loan Losses (Details) - Loans by Credit Quality Indicators - Performing and Non-Performing (consumer finance (Member), USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Total	$ 284,856	$ 278,186
Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Performing	284,176	277,531
Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-Performing	$ 680	$ 655