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Note 9 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Federal, current	$ (7,780)	$ 11,951	$ 124
Federal, deferred	(28,055)	(2,925)	18,185
State, current	(1,737)	1,811	426
State, deferred	5,430	(451)	3,087
Actual income tax expense	$ (32,142)	$ 10,386	$ 21,822

X

- Definition

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ References

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