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Debt | 6 Months Ended
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Jun. 30, 2019
Debt |
Debt | Note 5 Debt ​ Debt consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31, | ​
​ |  | 2019 |  | 2018 |
​ | ​ | (In thousands) |
5.00% senior notes due September 2020 | ​ | $ | 309,769 | ​ | $ | 614,748 | ​
4.625% senior notes due September 2021 | ​ |  | 637,468 | ​ |  | 668,347 | ​
5.50% senior notes due January 2023 | ​ |  | 577,042 | ​ |  | 586,000 | ​
5.10% senior notes due September 2023 | ​ |  | 336,746 | ​ |  | 342,923 | ​
0.75% senior exchangeable notes due January 2024 | ​ |  | 461,491 | ​ |  | 450,689 | ​
5.75% senior notes due February 2025 | ​ | ​ | 781,502 | ​ |  | 791,502 | ​
2012 Revolving credit facility | ​ |  | 480,000 | ​ | ​ | 170,000 | ​
2018 Revolving credit facility | ​ |  | — | ​ | ​ | — | ​
Other | ​ |  | 790 | ​ | ​ | 561 | ​
​ | ​ | ​ | 3,584,808 | ​ | ​ | 3,624,770 | ​
Less: current portion | ​ |  | 790 | ​ |  | 561 | ​
Less: deferred financing costs | ​ | ​ | 33,441 | ​ | ​ | 38,325 | ​
​ | ​ | $ | 3,550,577 | ​ | $ | 3,585,884 | ​
​ During the six months ended June 30, 2019, we repurchased $361.5 million aggregate principal amount outstanding of our senior unsecured notes for approximately $366.7 million in cash, including principal, and $4.8 million in accrued and unpaid interest. This amount includes the purchase price for the tender offer for $275.0 million of our senior notes due 2020, which closed on June 14, 2019. In connection with these repurchases, we recognized a loss of approximately $1.0 million, which represents the discount and is included in other, net in our condensed consolidated statement of income (loss) for the six months ended June 30, 2019. ​ Subsequent to June 30, 2019 through the date of this report, we repurchased $16.6 million aggregate principal amount outstanding under our 5.00% senior notes due September 2020 for approximately $16.9 million in cash, reflecting principal, accrued and unpaid interest. ​ 2018 Revolving Credit Facility ​ On October 11, 2018, Nabors Delaware, Nabors Drilling Canada Limited, an Alberta corporation (“Nabors Canada”), Nabors and certain other of Nabors’ wholly owned subsidiaries entered into a new five-year unsecured revolving facility with the lenders and issuing banks party thereto and Citibank, N.A., as administrative agent (the “2018 Revolving Credit Facility”). The 2018 Revolving Credit Facility has a borrowing capacity of $1.267 billion and is fully and unconditionally guaranteed by Nabors and certain of its wholly owned subsidiaries. The 2018 Revolving Credit Facility matures at the earlier of (a) October 11, 2023 and (b) July 19, 2022, if any of Nabors Delaware’s existing 5.5% senior notes due January 2023 remain outstanding as of such date. Certain lenders have committed to provide Nabors Delaware an aggregate principal amount of $1.227 billion under the 2018 Revolving Credit Facility, which may be drawn in U.S. dollars, and HSBC Bank Canada has committed to provide Nabors Canada an aggregate principal amount of $40 million in U.S. dollar equivalent, which can be drawn upon in either U.S. or Canadian dollars. The 2018 Revolving Credit Facility contains certain affirmative and negative covenants, including a financial covenant requiring Nabors to maintain a net debt to capitalization ratio not in excess of 0.60:1. Our net debt to capital ratio was 0.57:1 as of June 30, 2019. The net debt to capital ratio is calculated by dividing net debt by net capitalization. For purposes of the 2018 Revolving Credit Facility, net debt is defined as total debt minus the sum of cash and cash equivalents. Net capitalization is defined as net debt plus shareholders’ equity. As of June 30, 2019, our net debt could be higher by approximately $388.6 million, while still maintaining our net debt to capital ratio of 0.60:1. Borrowing from the revolving credit facilities to pay down other debt that matures prior to the maturity date of the 2018 Revolving Credit Facility, such as the 5.00% senior notes due September 2020, does not adversely impact the ratio calculation. Therefore, the entire balance under the revolving credit facilities would be available to pay down outstanding debt. The ratio is only adversely impacted by borrowing under the revolving credit facilities to use for purposes other than retiring debt, which would increase our net debt, and by reductions to shareholders’ equity. We can limit or control our spending through reductions in discretionary capital or other types of controllable expenditures, monetization of assets, accessing capital markets through a variety of alternative methods, or any combination of these alternatives if needed. We cannot make any assurances as to our ability to implement any or all of these alternatives. ​ Additionally, during any period in which Nabors Delaware fails to maintain an investment grade rating from at least two ratings agencies, the guarantors under the facility and their respective subsidiaries will be required to maintain an asset to debt coverage ratio (as defined in the 2018 Revolving Credit Facility) of at least 2.50:1. As of June 30, 2019, our asset to debt coverage ratio was 3.65:1. The asset to debt coverage ratio is calculated by dividing (x) drilling-related fixed assets wholly owned by certain of Nabors’ subsidiaries that are guaranteeing the 2018 Revolving Credit Facility (the “2018 Revolver Guarantors”) or wholly owned subsidiaries of the 2018 Revolver Guarantors by (y) total debt of the 2018 Revolver Guarantors (subject to certain exclusions). As of the date of this report, we had no borrowings outstanding under our 2018 Revolving Credit Facility. In order to make any future borrowings under the 2018 Revolving Credit Facility, Nabors and certain of its wholly owned subsidiaries are subject to compliance with the conditions and covenants contained therein, including compliance with applicable financial ratios. ​ 2012 Revolving Credit Facility ​ In connection with the 2018 Revolving Credit Facility, on October 11, 2018, Nabors Delaware entered into Amendment No. 3 to its existing credit agreement dated November 29, 2012 (as amended, including such amendment, the “2012 Revolving Credit Facility”), among itself, Nabors, Nabors Canada, HSBC Bank Canada, the other lenders party thereto, Citibank, N.A., and Wilmington Trust, National Association, as successor administrative agent (the “Amendment”). The Amendment, among other things, provided for Citibank, N.A.’s resignation as administrative agent and the appointment of Wilmington Trust, National Association as administrative agent, reduced the overall commitments available to $666.25 million and provided for certain lenders to exit the facility in order to become lenders under the 2018 Revolving Credit Facility. Availability under the 2012 Revolving Credit Facility is subject to a covenant not to exceed a net debt to capital ratio of 0.60:1. Net debt is defined in the 2012 Revolving Credit Facility in the same manner as the 2018 Revolving Credit Facility. As of June 30, 2019, we had $480.0 million outstanding under the 2012 Revolving Credit Facility. The weighted average interest rate on borrowings at June 30, 2019 was 3.97%. The 2012 Revolving Credit Facility matures on July 14, 2020. ​ As of the date of this report, we were in compliance with all covenants under the 2018 Revolving Credit Facility and 2012 Revolving Credit Facility. If we fail to comply with the covenants, the revolving credit commitment could be terminated, and any outstanding borrowings under the facility could be declared immediately due and payable.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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