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Note 11 - Federal and State Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

		2016				2015
		(in thousands)
Deferred tax liabilities:
Property and equipment		$	85,233			$	76,362
Unrealized gains on securities			4,576				3,250
Prepaid expenses and other			3,230				3,056
Total deferred tax liabilities			93,039				82,668
Deferred tax assets:
Allowance for doubtful accounts			378				208
Alternative minimum tax credit carryforward			1,214				1,378
QAFMV tax credit carryforward			864				864
New hire tax credit			124				124
Compensated absences			650				625
Self-insurance allowances			748				2,340
Share-based compensation			(54	)			230
Goodwill			9				19
Marketable equity securities			1,244				1,283
Net operating loss carryover			7,545				3,258
Non-competition agreement			7				15
Other			17				15
Total deferred tax assets			12,746				10,359
Net deferred tax liability		$	80,293			$	72,309

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

		2016								2015								2014
		(in thousands)
		Amount				Percent				Amount				Percent				Amount				Percent
Income tax at the statutory federal rate		$	6,042				34.0			$	11,876				34.0			$	7,552				34.0
Nondeductible expenses			130				0.7				149				0.4				154				0.7
State income taxes/other—net of federal benefit			499				2.8				1,467				4.2				1,015				4.6
Total income tax expense		$	6,671				37.5			$	13,492				38.6			$	8,721				39.3

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

		2016				2015				2014
		(in thousands)
Current:
Federal		$	(225	)		$	98			$	814
State			238				493				395
Total current income tax provision			13				591				1,209
Deferred:
Federal			5,506				10,782				6,111
State			1,152				2,119				1,401
Total deferred income tax provision			6,658				12,901				7,512
Total income tax expense		$	6,671			$	13,492			$	8,721

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

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-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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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
-Section 50
-Paragraph 12
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