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Note 15 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

		Year Ended December 31,
(Amounts in thousands)		2017				2016				2015
Current tax expense (benefit):
Federal		$	14,509			$	13,634			$	(254	)
State			926				675				581
Total current tax expense			15,435				14,309				327
Deferred tax expense (benefit):
Federal			5,205				(1,480	)			10,034
State			(12	)			(10	)			1,020
Total deferred tax expense (benefit)			5,193				(1,490	)			11,054
Total income tax expense		$	20,628			$	12,819			$	11,381

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

		Year Ended December 31,
		2017								2016								2015
		Amount				Percent				Amount				Percent				Amount				Percent
(Amounts in thousands)
Federal income tax at the statutory rate		$	14,739				35.00	%		$	13,281				35.00	%		$	12,572				35.00	%
State income tax, net of federal benefit			692				1.64	%			598				1.58	%			639				1.78	%
			15,431				36.64	%			13,879				36.58	%			13,211				36.78	%
Increase (decrease) resulting from:
Tax-exempt interest income			(1,228	)			-2.92	%			(1,336	)			-3.52	%			(1,463	)			-4.07	%
Nondeductible goodwill			-				0.00	%			340				0.89	%			-				-
Bank owned life insurance			(478	)			-1.13	%			(335	)			-0.88	%			(690	)			-1.92	%
Deferred tax revaluation			6,552				15.56	%			-				0.00	%			-				0.00	%
Other items, net			351				0.83	%			271				0.71	%			323				0.89	%
Income tax at the effective tax rate		$	20,628				48.98	%		$	12,819				33.78	%		$	11,381				31.68	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		December 31,
(Amounts in thousands)		2017				2016
Deferred tax assets
Allowance for loan losses		$	4,511			$	6,644
Unrealized losses on available-for-sale securities			-				326
Unrealized asset losses			722				913
Purchase accounting			3,418				5,384
FDIC assisted transactions			4,131				6,540
Intangible assets			2,616				4,062
Deferred compensation assets			3,617				4,669
Deferred loan fees			1,221				1,979
Other			450				825
Total deferred tax assets			20,686				31,342
Deferred tax liabilities
FDIC indemnification asset			8,525				11,927
Fixed assets			1,282				2,042
Unrealized gains on available-for-sale securities			259				-
Odd days interest deferral			233				1,283
Other			819				347
Total deferred tax liabilities			11,118				15,599
Net deferred tax asset		$	9,568			$	15,743

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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-Paragraph 12
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