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Partners' Equity (Incentive Distribution Rights) (Details) - USD ($) $ / shares in Units, $ in Thousands | Mar. 29, 2019 | Oct. 04, 2018 | Aug. 04, 2014
--- | --- | --- | ---
Class of Stock [Line Items] |  |  |
Partners units, maximum aggregate offering amount, ATM |  | $ 50,000 |
Affiliated Entity |  |  |
Class of Stock [Line Items] |  |  |
Partners' capital account, units, sold to related party | 1,401,869 |  |
Limited Partner |  |  |
Class of Stock [Line Items] |  |  |
Number of units sold in public offering | 2,940,818 |  | 12,937,500
Units sold in secondary offering price per unit | $ 21.40 |  |

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