Note 15 - Other Operating Expenses (Detail) - Other Operating Expenses (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Professional services	$ 1,184	$ 1,117
Postage	662	627
Telephone	659	600
Credit card expense	1,658	1,692
Operating supplies	402	336
Amortization of core deposit premiums	137	74
Other expense	3,079	2,904
Total other operating expenses	$ 7,781	$ 7,350