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Note 11 - Federal Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

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

		2015				2014				2013
Current expense		$	7,399,000			$	3,359,000			$	0
Deferred expense			4,592,000				4,506,000				8,092,000
Change in valuation allowance			(180,000	)			0				0
Tax expense		$	11,811,000			$	7,865,000			$	8,092,000

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

		2015				2014				2013
Tax at statutory rate (35%)		$	13,591,000			$	8,819,000			$	8,794,000
Increase (decrease) from
Tax-exempt interest			(781,000	)			(621,000	)			(347,000	)
Bank owned life insurance			(384,000	)			(415,000	)			(465,000	)
Change in valuation allowance			(180,000	)			0				0
Other			(435,000	)			82,000				110,000
Tax expense		$	11,811,000			$	7,865,000			$	8,092,000

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

		2015				2014
Deferred income tax assets
Allowance for loan losses		$	5,488,000			$	7,014,000
Deferred compensation			1,367,000				1,304,000
Stock compensation			767,000				521,000
Nonaccrual loan interest income			602,000				471,000
Deferred loan fees			504,000				445,000
Losses on capital investments			270,000				450,000
Fair value write-downs on foreclosed properties			115,000				212,000
Fair value of interest rate swap			89,000				89,000
Tax credit carryforwards			0				3,395,000
Business combination adjustments			0				315,000
Other			283,000				410,000
Deferred tax asset before valuation allowance			9,485,000				14,626,000
Valuation allowance			(270,000	)			(450,000	)
Deferred tax asset after valuation allowance			9,215,000				14,176,000
Deferred income tax liabilities
Depreciation			1,128,000				1,217,000
Prepaid expenses			378,000				425,000
Core deposit intangible			4,349,000				5,386,000
Mortgage loan servicing rights			2,142,000				2,349,000
Unrealized gain on securities			768,000				112,000
Business combination adjustments			1,091,000				0
Other			188,000				476,000
Deferred tax liability			10,044,000				9,965,000
Total net deferred tax asset (liability)		$	(829,000	)		$	4,211,000

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- References

No definition available.

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- 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=6907707&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=6907707&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=6907707&loc=d3e32687-109319

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