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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Number of shares of equity interests issued or issuable to acquire entity.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of paid and unpaid stock dividends declared and applicable to holders of share-based compensation, for example, but not limited to, non-vested shares, stock options, or restricted stock units.

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No definition available.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 10
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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Note 8 - Share-based Compensation (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands				1 Months Ended	12 Months Ended
	Jun. 04, 2015	Mar. 24, 2015	Mar. 23, 2015	Feb. 28, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross					0	267
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value						$ 4.74
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value					$ 0	$ 600
Share-based Compensation Arrangement by Share-based Payment Award Options and Restricted Stock Outstanding Number					5,300	8,400
Allocated Share-based Compensation Expense					17,700	18,500	$ 18,400
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense					6,200	6,500	$ 6,400
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options					$ 0
LTIP 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	4,300
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period					900
Share-based Compensation Arrangement by Share-based Payment Award Options and Restricted Stock Outstanding Number					$ 200	$ 700
For 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	3,600
Second Amendment To The 2015 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized				6,000
LTIP 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period					700
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					11,300
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross					0	300
Share-based Compensation Arrangement by Share-based Payment Award Options and Restricted Stock Outstanding Number					$ 900	$ 2,800
Plan 2006 [Member]
Share-based Compensation Arrangement by Share-based Payment Award Options and Restricted Stock Outstanding Number					300	900
Plan 2010 [Member]
Share-based Compensation Arrangement by Share-based Payment Award Options and Restricted Stock Outstanding Number					$ 3,900	$ 4,000
Prior Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					0
Nabors Industries, Ltd. [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			62,500
Replacement Restricted Stock and Stock Options [Member] \| Nabors Industries, Ltd. [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		400	400
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period					576
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value						$ 13.50
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized					$ 8,900	$ 29,900
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition					1 year 153 days
Dividends, Share-based Compensation, Stock					$ 0
Restricted Stock [Member] \| LTIP 2015 [Member] \| Employees,Consultants and Non Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period					0	2,800
Restricted Stock [Member] \| LTIP 2015 [Member] \| Employees,Consultants and Non Employee Directors [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value					$ 3.55
Restricted Stock [Member] \| LTIP 2015 [Member] \| Employees,Consultants and Non Employee Directors [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value					$ 15.10
Replacement Restricted Shares [Member] \| LTIP 2015 [Member] \| Employee and Non Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period						600