Note 9 - Securities Sold Under Agreements to Repurchase (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Repurchase Agreements [Table Text Block]

Years Ended December 31,		2012				2011				2010
Securities sold under agreements to repurchase—customers
At December 31 — Balance	$		32,950		$		47,313		$		23,016
—Weighted average interest rate			0.36%				0.34%				0.45%
—Weighted average original maturity (Days)			23				21				35
During the year — Maximum month-end balance			43,199				51,991				55,998
—Daily average balance			39,318				42,911				47,674
—Weighted average interest rate paid			0.36 %				0.43%				0.48%
—Range of interest rates paid		0.25	–	0.55		0.25	–	0.65%		0.35	–	0.65%
Securities sold under agreements to repurchase—dealers
At December 31 —Balance	$		—		$		5,000		$		5,000
—Weighted average interest rate			—				1.30%				1.30%
—Weighted average original maturity (Days)			—				731				731
During the year —Maximum month-end balance			5,000				5,000				39,893
—Daily average balance			2,637				5,186				5,618
—Weighted average interest rate paid			1.18%				1.27%				0.79%
—Range of interest rates paid		0.25	–	1.30%		0.13	–	1.30%		0.25	–	1.30%