Represents the percentage of income approach used in goodwill impairment testing.

No definition available.

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- Definition

Represents the percentage of market approach used in goodwill impairment testing.

+ References

No definition available.

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- Definition

Represents the price to earnings multiple.

+ References

No definition available.

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
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- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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-Publisher FASB
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- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

No definition available.

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Note 6 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Jan. 01, 2017
Number of Reporting Units		3
Fair Value Inputs, Long-term Revenue Growth Rate		2.50%
Goodwill, Impairment Loss	$ 0	$ 314,300
Finite-Lived Intangible Assets, Net	55,558		$ 60,400
Goodwill	$ 0	0
Wireline Lift Assets [Member]
Finite-Lived Intangible Assets, Net		42,200
Impairment of Intangible Assets, Finite-lived		47,500
Artificial Lift Asset [Member]
Finite-Lived Intangible Assets, Net		1,100
Impairment of Intangible Assets, Finite-lived		$ 3,600
Completion Services [Member]
Fair Value Inputs, Discount Rate		14.50%
Price to Earnings Multiple		10.6
Goodwill Impairment Testing, Income Approach, Percentage		80.00%
Goodwill Impairment Testing, Market Approach, Percentage		20.00%
Well Support Services [Member]
Fair Value Inputs, Discount Rate		14.00%
Price to Earnings Multiple		10.5
Other Services [Member]
Fair Value Inputs, Discount Rate		16.00%
Price to Earnings Multiple		11
Goodwill Impairment Testing, Income Approach, Percentage		50.00%
Goodwill Impairment Testing, Market Approach, Percentage		50.00%