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Note 14 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

(dollars in thousands)		2016				2015				2014
Current federal income tax		$	53,290			$	46,758			$	32,384
Current state income tax			13,733				11,020				7,114
Total current			67,023				57,778				39,498
Deferred federal income tax benefit			(5,523	)			(6,642	)			(7,494	)
Deferred state income tax benefit			(105	)			(87	)			(46	)
Total deferred			(5,628	)			(6,729	)			(7,540	)
Total income tax expense		$	61,395			$	51,049			$	31,958

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

(dollars in thousands)		2016				2015				2014
Deferred tax assets
Allowance for credit losses		$	23,738			$	21,191			$	18,544
Deferred loan fees and costs			10,728				9,724				10,337
Deferred rent			1,483				1,364				-
Stock-based compensation			3,037				2,068				1,714
Net operating loss			2,695				2,946				3,198
Unrealized loss on securities available-for-sale			1,303				-				-
Unrealized loss on interest rate swap derivatives			284				-				-
SERP			2,088				1,776				1,421
Premises and equipment			3,838				3,381				1,590
Other			477				383				71
Total deferred tax assets			49,671				42,833				36,875
Deferred tax liabilities
Unrealized gain on securities available for sale			-				(694	)			(1,765	)
Excess servicing			(191	)			(157	)			(114	)
Deferred rent			-				-				(162	)
Intangible assets			(1,260	)			(1,671	)			(2,323	)
Total deferred tax liabilities			(1,451	)			(2,522	)			(4,364	)
Net deferred income tax amount		$	48,220			$	40,311			$	32,511

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

		2016				2015				2014
Statutory federal income tax rate			35.00	%			35.00	%			35.00	%
Increase (decrease) due to
State income taxes, net of federal income tax benefit			5.57				5.26				5.33
Tax exempt interest and dividend income			(0.98	)			(1.25	)			(2.28	)
Stock-based compensation expense			0.01				0.02				0.04
Other			(1.01	)			(1.28	)			(1.02	)
Effective tax rates			38.59	%			37.75	%			37.07	%

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=65882285&loc=d3e32639-109319

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- Definition

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
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

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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
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319

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