Note 12 - Fair Values (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure Text Block [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

				Quoted
				Prices in
				Active		Significant
				Markets for		Other			Significant
				Identical		Observable			Unobservable
				Assets		Inputs			Inputs
	Total			(Level 1)		(Level 2)			(Level 3)
Available for sale securities
U.S. Government agency debt obligations	$	161,708,000		$	0	$	161,708,000		$	0
Mortgage-backed securities		79,841,000			0		79,841,000			0
Municipal general obligation bonds		119,811,000			0		111,022,000			8,789,000
Municipal revenue bonds		10,149,000			0		10,149,000			0
Other investments		1,937,000			0		1,937,000			0
Interest rate swap		(379,000	)		0		(379,000	)		0
Total	$	373,067,000		$	0	$	364,278,000		$	8,789,000

				Quoted
				Prices in
				Active		Significant
				Markets for		Other			Significant
				Identical		Observable			Unobservable
				Assets		Inputs			Inputs
	Total			(Level 1)		(Level 2)			(Level 3)
Available for sale securities
U.S. Government agency debt obligations	$	193,468,000		$	0	$	193,468,000		$	0
Mortgage-backed securities		93,561,000			0		93,561,000			0
Municipal general obligation bonds		133,082,000			0		122,801,000			10,281,000
Municipal revenue bonds		10,873,000			0		10,873,000			0
Other investments		1,928,000			0		1,928,000			0
Interest rate swap		(253,000	)		0		(253,000	)		0
Total	$	432,659,000		$	0	$	422,378,000		$	10,281,000

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

			Quoted
			Prices in
			Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Impaired loans (1)	$	9,623,000	$	0	$	0	$	9,623,000
Foreclosed assets (1)		2,033,000		0		0		2,033,000
Total	$	11,656,000	$	0	$	0	$	11,656,000

			Quoted
			Prices in
			Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Impaired loans (1)	$	17,097,000	$	0	$	0	$	17,097,000
Foreclosed assets (1)		1,995,000		0		0		1,995,000
Total	$	19,092,000	$	0	$	0	$	19,092,000