Note 16 - Income Taxes (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Three months ended June 30,						Six months ended June 30,
(in thousands)	2016			2015			2016		2015
Current tax expense
Federal	$	4,222		$	3,884		$	6,595	$	6,960
State		186			186			310		273
Total current tax expense		4,408			4,070			6,905		7,233
Deferred tax expense
Federal		(711	)		109			390		1,093
State		(21	)		(28	)		57		78
Total deferred tax expense (benefit)		(732	)		81			447		1,171
Total income tax expense	$	3,676		$	4,151		$	7,352	$	8,404

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Six months ended June 30,
	2016			2015
U.S. federal statutory tax rate		35.0	%		35.0	%
Tax exempt interest income		(1.3	)		(1.4	)
Tax credits		(9.5	)		(2.5	)
Cash surrender value of life insurance		(0.9	)		(0.9	)
State income taxes, net of federal benefit		0.9			0.9
Other, net		2.7			0.4
Effective tax rate		26.9	%		31.5	%