Note 18 - Fair Values Measurements (Tables)

12 Months Ended

Dec. 31, 2014

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	$	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
Derivatives
Interest rate swap agreement		(253,000	)		0		(253,000	)		0
Total	$	432,659,000		$	0	$	422,378,000		$	10,281,000

				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	$	98,477,000		$	0	$	98,477,000		$	0
Mortgage-backed securities		13,558,000			0		13,558,000			0
Municipal general obligation bonds		16,872,000			0		16,872,000			0
Municipal revenue bonds		916,000			0		916,000			0
Mutual funds		1,355,000			0		1,355,000			0
Derivatives
Interest rate swap agreement		(264,000	)		0		(264,000	)		0
Total	$	130,914,000		$	0	$	130,914,000		$	0

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)	$	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

			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)	$	23,405,000	$	0	$	0	$	23,405,000
Foreclosed assets (1)		2,851,000		0		0		2,851,000
Total	$	26,256,000	$	0	$	0	$	26,256,000