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Contingencies (Narrative) (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Mar. 09, 2020 | Jul. 31, 2019 | Mar. 31, 2020 | Dec. 31, 2019
Loss Contingencies [Line Items] |  |  |  |
Decline in backlog as a result of potential contract termination | $ 150,000,000 |  |  |
Loss of hire insurance, per day |  |  | $ 602,500 |
Loss Contingency, Damages Sought, Value |  | $ 100,000,000 |  |
Maximum Contingent Contributions To Joint Venture |  |  | 1,250,000,000 |
Gain (Loss) Related to Litigation Settlement |  |  |  | $ 20,300,000
Letters of credit outstanding, amount |  |  | 117,900,000 |
Middle East & Africa |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Proceeds from Legal Settlements |  |  | $ 27,500,000 |

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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349 + Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349 + Details
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- Definition Cash received for the settlement of litigation during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585 + Details
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