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Income Taxes | 12 Months Ended
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Dec. 31, 2020
Income Taxes |
Income Taxes | ​ Note 11 Income Taxes ​ Income (loss) from continuing operations before income taxes consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, |
United States and Other Jurisdictions |  | 2020 |  | 2019 |  | 2018 |
​ | ​ | (In thousands) |
United States | ​ | $ | (182,706) | ​ | $ | 5,979 | ​ | $ | (119,419) | ​
Other jurisdictions | ​ |  | (522,861) | ​ |  | (594,901) | ​ |  | (399,375) | ​
Income (loss) from continuing operations before income taxes | ​ | $ | (705,567) | ​ | $ | (588,922) | ​ | $ | (518,794) | ​
​ ​ Income tax expense (benefit) from continuing operations consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, |
​ |  | 2020 |  | 2019 |  | 2018 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | (In thousands) |
Current: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. federal | ​ | $ | (39,268) | ​ | $ | 1,210 | ​ | $ | (32,351) | ​
Outside the U.S. | ​ |  | 33,858 | ​ |  | 54,097 | ​ |  | 32,928 | ​
State | ​ |  | (2,020) | ​ |  | 318 | ​ |  | 1,811 | ​
​ | ​ | $ | (7,430) | ​ | $ | 55,625 | ​ | $ | 2,388 | ​
Deferred: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. federal | ​ | $ | 67,909 | ​ | $ | 58,157 | ​ | $ | 37,476 | ​
Outside the U.S. | ​ |  | (4,992) | ​ |  | (25,428) | ​ |  | 39,518 | ​
State | ​ |  | 1,799 | ​ |  | 3,222 | ​ |  | (113) | ​
​ | ​ | $ | 64,716 | ​ | $ | 35,951 | ​ | $ | 76,881 | ​
Income tax expense (benefit) | ​ | $ | 57,286 | ​ | $ | 91,576 | ​ | $ | 79,269 | ​
​ A reconciliation of our statutory tax rate to our worldwide effective tax rate consists of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, |
​ |  | 2020 |  | 2019 |  | 2018 |
​ | ​ | (In thousands) |
Income tax provision at statutory (Bermuda rate of 0%) | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​
Taxes (benefit) on U.S. and other international earnings (losses) at greater than the Bermuda rate | ​ |  | 62,751 | ​ |  | 54,060 | ​ |  | 49,375 | ​
Increase (decrease) in valuation allowance | ​ |  | (9,759) | ​ |  | 32,869 | ​ |  | 38,822 | ​
Tax reserves and interest | ​ | ​ | 861 | ​ | ​ | 1,107 | ​ | ​ | (10,626) | ​
State income taxes (benefit) | ​ |  | 3,433 | ​ |  | 3,540 | ​ |  | 1,698 | ​
Income tax expense (benefit) | ​ | $ | 57,286 | ​ | $ | 91,576 | ​ | $ | 79,269 | ​
Effective tax rate | ​ |  | (8.1)% | ​ |  | (15.5)% | ​ |  | (15.3)% | ​
​ The decrease in tax expense during 2020 compared to 2019 was primarily attributable to a decrease in operating income in the jurisdictions in which we operate, as well as the change in our geographic mix of our pre-tax earnings (losses). The decrease was partially offset by the gain related to our debt exchange transaction and the resulting utilization of net operating losses. ​ The components of our net deferred taxes consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, |
​ |  | 2020 |  | 2019 |
​ | ​ | (In thousands) |
Deferred tax assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net operating loss carryforwards | ​ | $ | 3,618,227 | ​ | $ | 2,834,851 | ​
Equity compensation | ​ |  | 1,594 | ​ |  | 6,577 | ​
Deferred revenue | ​ |  | 3,878 | ​ |  | 8,873 | ​
Tax credit and other attribute carryforwards | ​ |  | 84,502 | ​ |  | 97,215 | ​
Insurance loss reserves | ​ |  | 2,086 | ​ |  | 2,248 | ​
Accrued interest | ​ |  | — | ​ |  | 172,120 | ​
Depreciation and amortization for tax in excess of book expense | ​ | ​ | 44,837 | ​ | ​ | — | ​
Other | ​ |  | 110,003 | ​ |  | 95,588 | ​
Subtotal | ​ |  | 3,865,127 | ​ |  | 3,217,472 | ​
Valuation allowance | ​ |  | (3,602,144) | ​ |  | (2,813,567) | ​
Deferred tax assets: | ​ | $ | 262,983 | ​ | $ | 403,905 | ​
Deferred tax liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Depreciation and amortization for tax in excess of book expense | ​ | $ | — | ​ | $ | 80,155 | ​
Other | ​ |  | 17,388 | ​ |  | 21,055 | ​
Deferred tax liability | ​ | $ | 17,388 | ​ | $ | 101,210 | ​
Net deferred tax assets (liabilities) | ​ | $ | 245,595 | ​ | $ | 302,695 | ​
Balance Sheet Summary: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net noncurrent deferred tax asset | ​ | $ | 247,171 | ​ | $ | 305,844 | ​
Net noncurrent deferred tax liability | ​ |  | (1,576) | ​ |  | (3,149) | ​
Net deferred tax asset (liability) | ​ | $ | 245,595 | ​ | $ | 302,695 | ​
​ As of December 31, 2020, we had federal, state, and foreign net operating loss (“NOL”) carryforwards of approximately $670.3 million, $1.2 billion and $13.8 billion, respectively. Of those amounts, $6.4 billion will expire between 2021 and 2040 if not utilized. We provide a valuation allowance against NOL carryforwards in various tax jurisdictions based on our consideration of existing temporary differences and expected future earning levels in those jurisdictions. A valuation allowance of approximately $3.4 billion has been recognized related to certain NOL carryforwards as we believe it is more likely than not that the benefit of these NOL carryforwards will not be realized. ​ ​ ​ ​ ​ The following is a reconciliation of our uncertain tax positions: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 |  | ​ | 2019 |  | 2018 |
​ | ​ | (In thousands) |
Balance as of January 1 | ​ | $ | 25,770 | ​ | ​ | $ | 25,711 | ​ | $ | 33,203 | ​
Additions based on tax positions related to the current year | ​ |  | — | ​ | ​ |  | — | ​ |  | — | ​
Additions for tax positions of prior years | ​ |  | 1,887 | ​ | ​ |  | 1,003 | ​ |  | 308 | ​
Reductions for tax positions for prior years | ​ |  | (953) | ​ | ​ |  | (860) | ​ |  | (7,800) | ​
Settlements | ​ | ​ | — | ​ | ​ | ​ | (84) | ​ | ​ | — | ​
Balance as of December 31 | ​ | $ | 26,704 | ​ | ​ | $ | 25,770 | ​ | $ | 25,711 | ​
​ If the unrecognized tax benefits of $26.7 million are realized, this would favorably impact the worldwide effective tax rate. As of December 31, 2020, 2019 and 2018, we had approximately $7.6 million, $7.7 million and $6.7 million, respectively, of interest and penalties related to uncertain tax positions. During 2020, 2019 and 2018, we accrued and recognized estimated interest and penalties related to uncertain tax positions of approximately ($0.6) million, $0.8 million and $1.0 million, respectively. We include potential interest and penalties related to uncertain tax positions within our global operations in the income tax expense (benefit) line item in our consolidated statements of income (loss). ​ It is reasonably possible that our existing liabilities related to our reserve for uncertain tax positions may increase or decrease in the next twelve months primarily due to the completion of open audits or the expiration of statutes of limitation. However, we cannot reasonably estimate a range of changes in our existing liabilities due to various uncertainties, such as the unresolved nature of various audits. ​ We conduct business globally and, as a result, we file numerous income tax returns in the U.S. and non-U.S. jurisdictions. In the normal course of business we are subject to examination by taxing authorities throughout the world, including major jurisdictions such as Algeria, Canada, Mexico, Saudi Arabia and the United States. We are no longer subject to U.S. Federal income tax examinations for years before 2017 and non-U.S. income tax examinations for years before 2007.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 + Details
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