Note 20 - Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	For the Three Months Ended
	March 31,				June 30,				September 30,				December 31,
	(In thousands, except per share data and price range of common stock)
2013
Interest and loan fee income	$		40,465		$		39,269		$		37,956		$		36,706
Net interest income			39,213				38,050				36,780				35,682
Provision for credit losses			2,800				1,800				1,800				1,600
Noninterest income			14,278				14,284				14,419				14,030
Noninterest expense			28,677				28,192				27,758				27,987
Income before taxes			22,014				22,342				21,641				20,125
Net income			17,271				17,112				16,738				16,056
Basic earnings per common share			0.64				0.64				0.63				0.60
Diluted earnings per common share			0.64				0.64				0.63				0.60
Dividends paid per common share			0.37				0.37				0.37				0.38
Price range, common stock		42.59	-	45.80		41.76	-	46.56		45.73	-	50.78		48.29	-	57.59
2012
Interest and loan fee income	$		48,298		$		46,901		$		45,272		$		42,893
Net interest income			46,739				45,429				43,890				41,562
Provision for credit losses			2,800				2,800				2,800				2,800
Noninterest income			14,669				13,533				14,626				14,194
Noninterest expense			30,034				29,349				29,269				28,233
Income before taxes			28,574				26,813				26,447				24,723
Net income			21,005				20,964				20,022				19,136
Basic earnings per share			0.75				0.76				0.73				0.70
Diluted earnings per share			0.75				0.75				0.73				0.70
Dividends paid per share			0.37				0.37				0.37				0.37
Price range, common stock		43.90	-	49.53		43.01	-	48.62		44.08	-	49.39		40.50	-	47.72
2011
Interest and loan fee income	$		52,494		$		53,088		$		51,976		$		50,421
Net interest income			50,191				50,935				49,905				48,566
Provision for credit losses			2,800				2,800				2,800				2,800
Noninterest income			14,743				15,292				15,205				14,857
Noninterest expense			31,323				34,309				31,383				30,663
Income before taxes			30,811				29,118				30,927				29,960
Net income			22,382				21,269				22,432				21,805
Basic earnings per share			0.77				0.74				0.79				0.77
Diluted earnings per share			0.77				0.74				0.79				0.77
Dividends paid per share			0.36				0.36				0.36				0.37
Price range, common stock		49.25	-	56.96		46.91	-	52.53		36.32	-	50.52		36.34	-	46.73