Note 6 - Deposits (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure Text Block [Abstract]

Summary of Deposits and Percentage Change in Deposits [Table Text Block]

											Percent
	March 31, 2015					December 31, 2014					Increase
	Balance		%			Balance		%			(Decrease)
Noninterest-bearing checking	$	568,843,000		25.0	%	$	558,738,000		24.5	%		1.8	%
Interest-bearing checking		417,098,000		18.3			413,382,000		18.2			0.9
Money market		250,421,000		11.0			235,587,000		10.3			6.3
Savings		345,459,000		15.2			330,459,000		14.5			4.5
Time, under $100,000		175,433,000		7.7			181,026,000		8.0			(3.1	)
Time, $100,000 and over		368,887,000		16.1			382,120,000		16.8			(3.5	)
		2,126,141,000		93.3			2,101,312,000		92.3			1.2
Out-of-area time, under $100,000		1,828,000		0.1			2,422,000		0.1			(24.5	)
Out-of-area time, $100,000 and over		151,555,000		6.6			173,181,000		7.6			(12.5	)
		153,383,000		6.7			175,603,000		7.7			(12.7	)
Total deposits	$	2,279,524,000		100.0	%	$	2,276,915,000		100.0	%		0.1	%