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Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Operating Leases: |  |
Operating Lease Right-of-Use Asset | $ 205,647 | $ 0
Current Portion of Operating Lease Obligations | 65,061 | 0
Operating Lease Obligations | 122,514 | $ 0
Total Operating Lease Liabilities | 187,575 |
Finance Leases: |  |
Property, Plant and Equipment | 73,363 |
Less—Accumulated Depreciation, Depletion and Amortization | 62,191 |
Property, Plant and Equipment—Net | 11,172 |
Current Portion of Finance Lease Obligations | 7,203 |
Finance Lease Obligations | 9,400 |
Total Finance Lease Liabilities | $ 16,603 |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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