Note 6 - Deposits (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure Text Block [Abstract]

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

											Percent
	June 30, 2015					December 31, 2014					Increase
	Balance		%			Balance		%			(Decrease)
Noninterest-bearing checking	$	612,222,000		26.9	%	$	558,738,000		24.5	%		9.6	%
Interest-bearing checking		393,933,000		17.3			413,382,000		18.2			(4.7	)
Money market		272,225,000		12.0			235,587,000		10.3			15.6
Savings		347,292,000		15.2			330,459,000		14.5			5.1
Time, under $100,000		170,104,000		7.5			181,026,000		8.0			(6.0	)
Time, $100,000 and over		347,148,000		15.2			382,120,000		16.8			(9.2	)
		2,142,924,000		94.1			2,101,312,000		92.3			2.0
Out-of-area time, under $100,000		842,000		<0.1			2,422,000		0.1			(65.2	)
Out-of-area time, $100,000 and over		135,028,000		5.9			173,181,000		7.6			(22.0	)
		135,870,000		5.9			175,603,000		7.7			(22.6	)
Total deposits	$	2,278,794,000		100.0	%	$	2,276,915,000		100.0	%		0.1	%