Note 17 - Income Taxes (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

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

	Three months ended
	March 31,
(in thousands)	2017			2016
Current income tax expense
Federal	$	3,003		$	2,373
State		114			124
Total current income tax expense		3,117			2,497
Deferred income tax (benefit) expense
Federal		(26	)		1,101
State		38			78
Total deferred income tax expense		12			1,179
Change in valuation allowance		13			-
Total income tax expense	$	3,142		$	3,676

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

	Three months ended March 31,
	2017			2016
U.S. federal statutory income tax rate		35.0	%		35.0	%
Excess tax benefits from share-based compensation arrangements		(7.1	)		-
Tax credits		(5.5	)		(9.7	)
Tax exempt interest income		(1.1	)		(1.3	)
Increase in cash surrender value of life insurance		(1.3	)		(0.8	)
State income taxes, net of federal benefit		0.7			1.0
Other, net		1.9			3.0
Effective income tax rate		22.6	%		27.2	%