v3.20.1

Long-Term Incentive Plan (Cash Flow Effects Of LTIP Settlements) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Share-based Payment Arrangement [Abstract] |  |  |
Partners' Capital Account, Units, Unit-based Compensation (in shares) | 199,792 | 168,913 | 216,679
Settlement of tax withholdings on long-term incentive compensation | $ 9,764 | $ 9,285 | $ 13,875
Payments for Other Taxes | 900 | 1,100 | 1,200
Total Cash Taxes Paid (in millions) | $ 10,700 | $ 10,400 | $ 15,100

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