Represents the amount of tender offer of notes.

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The amount by which the net debt could be higher.

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The ratio of assets divided by indebtedness.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer, plus accrued and unpaid interest.

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Represents the maturity period of unsecured debt.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Face (par) amount of the original debt instrument that was repurchased.

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Weighted average interest rate of debt outstanding.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt classified as other.

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Indebtedness divided by net capital.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Debt (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended		9 Months Ended
Debt (Details) - USD ($) $ in Thousands	Jun. 14, 2019	Oct. 11, 2018	Oct. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Long-term debt
Other				$ 1,058		$ 1,058		$ 561
Long-term Debt				3,549,159		3,549,159		3,624,770
Less: current portion				1,058		1,058		561
Less: deferred financing costs				31,509		31,509		38,325
Long-term Debt, Excluding Current Maturities, Total				3,516,592		3,516,592		3,585,884
Principal amount redeemed				378,100		378,100
Repayment of long-term debt including accrued and unpaid interest						383,600
Payment of accrued and unpaid interest						5,000
Gain (Loss) on debt repurchase				(718)	$ (10,476)	(1,752)	$ (10,476)
5.00% senior notes due September 2020
Long-term debt
Senior Notes				$ 293,217		$ 293,217		614,748
Interest rate on senior notes due (as a percent)				5.00%		5.00%
Purchase price for the tender offer	$ 275,000
5.00% senior notes due September 2020 \| Subsequent Event
Long-term debt
Principal amount redeemed			$ 49,100
Repayment of long-term debt including accrued and unpaid interest			$ 39,900
4.625% senior notes due September 2021
Long-term debt
Senior Notes				$ 637,528		$ 637,528		668,347
Interest rate on senior notes due (as a percent)				4.625%		4.625%
5.50% senior notes due January 2023
Long-term debt
Senior Notes				$ 577,042		$ 577,042		586,000
Interest rate on senior notes due (as a percent)				5.50%		5.50%
5.10% senior notes due September 2023
Long-term debt
Senior Notes				$ 336,778		$ 336,778		342,923
Interest rate on senior notes due (as a percent)				5.10%		5.10%
0.75% senior exchangeable notes due January 2024
Long-term debt
Senior Notes				$ 467,034		$ 467,034		450,689
Interest rate on senior notes due (as a percent)				0.75%		0.75%
Aggregate amount of senior notes				$ 575,000		$ 575,000
5.75% senior notes due February 2025
Long-term debt
Senior Notes				$ 781,502		$ 781,502		791,502
Interest rate on senior notes due (as a percent)				5.75%		5.75%
2012 Revolving Credit Facility
Long-term debt
Revolving credit facility				$ 455,000		$ 455,000		$ 170,000
Maximum borrowing capacity		$ 666,250
Weighted average interest rate (as a percent)				3.86%		3.86%
2012 Revolving Credit Facility \| Maximum
Long-term debt
Debt to capital ratio				0.60		0.60
2018 Revolving Credit Facility
Long-term debt
Revolving credit facility				$ 0		$ 0
Interest rate on senior notes due (as a percent)		5.50%
Net debt increase and retain current net debt to capital ratio				$ 256,800		$ 256,800
Maximum borrowing capacity		$ 1,267,000
Debt to capital ratio		0.60		0.58		0.58
Assets to debt ratio				3.57		3.57
Unsecured debt maturity period		5 years
2018 Revolving Credit Facility \| Maximum
Long-term debt
Debt to capital ratio		0.60
Guarantor Subsidiaries \| 2018 Revolving Credit Facility
Long-term debt
Maximum borrowing capacity		$ 1,227,000
Guarantor Subsidiaries \| 2018 Revolving Credit Facility \| Minimum
Long-term debt
Assets to debt ratio		2.50
Nabors Canada \| 2018 Revolving Credit Facility
Long-term debt
Maximum borrowing capacity		$ 40,000