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Assets and Liabilities Measured at Fair Value - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Financial assets (liabilities), Carrying value |  |
Current and long-term debt | $ (2,803,381) | $ (3,109,986)
Financial assets (liabilities), Fair value |  |
Current and long-term debt | $ (3,074,929) | $ (2,899,912)

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- Definition Assets and Liabilities [Abstract] + References No definition available. + Details
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 + Details
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- References No definition available. + Details
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- Definition Amount of long-term debt and capital lease obligations including current maturities. + References No definition available. + Details
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