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Acquisitions And Disposal - Schedule of Gain on Disposal of Properties (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Business Combinations [Abstract] |  |
Total consideration received | $ 6,525 |
Carrying value of Churchrock project | (2,123) |
Carrying value of other plant and equipment | (31) |
Accounts payable | 1 |
Asset retirement obligation | 105 |
Royalty payable on Churchrock project | 450 |
Gain on disposal of HRI | $ 4,927 |

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- Definition Carrying value of other plant and equipment. + References No definition available. + Details
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- Definition Accounts payable. + References No definition available. + Details
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- Definition Asset retirement obligation. + References No definition available. + Details
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- Definition Gain loss on disposition of assets carrying value. + References No definition available. + Details
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- Definition Gain loss on disposition of assets consideration received. + References No definition available. + Details
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- Definition Royalty payable on Churchrock project. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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