v3.10.0.1

Long-Term Incentive Plan (Cash Flow Effects Of LTIP Settlements) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |
Partners' Capital Account, Units, Unit-based Compensation (in shares) | 168,913 | 216,679 | 350,552
Settlement of tax withholdings on long-term incentive compensation | $ 9,285 | $ 13,875 | $ 14,376
Payments for Other Taxes | 1,100 | 1,200 | 1,400
Total Cash Taxes Paid (in millions) | $ 10,400 | $ 15,100 | $ 15,800

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