Note 15 - Other Operating Expenses (Details) - Other Operating Expenses (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Other Operating Expenses [Abstract]
Professional services	$ 1,106	$ 1,002	$ 2,248	$ 2,119
Postage	609	618	1,242	1,245
Telephone	550	612	1,208	1,213
Credit card expense	1,790	1,719	3,331	3,411
Operating supplies	405	331	794	667
Amortization of core deposit premiums	137	74	273	148
Other expense	3,221	3,010	6,503	5,913
Total other operating expenses	$ 7,818	$ 7,366	$ 15,599	$ 14,716