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Partners' Capital, Mezzanine Equity and Distributions (Preferred Cash Distributions Paid) (Details) - USD ($) $ / shares in Units, $ in Thousands | Feb. 14, 2023 | Nov. 14, 2022 | Aug. 12, 2022 | May 13, 2022 | Feb. 14, 2022 | Nov. 12, 2021 | Aug. 13, 2021 | May 14, 2021 | Feb. 12, 2021 | Nov. 13, 2020 | Aug. 14, 2020 | May 15, 2020 | Dec. 31, 2022
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Preferred Unitholders | Class A Convertible Preferred Units |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Per Unit Amount (in dollars per unit) |  | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.7374 | $ 0.9473
Total Amount |  | $ 18,684 | $ 18,684 | $ 18,684 | $ 18,684 | $ 18,684 | $ 18,684 | $ 18,684 | $ 18,684 | $ 18,684 | $ 18,684 | $ 18,684 |
Preferred Unitholders | Class A Convertible Preferred Units | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Per Unit Amount (in dollars per unit) | $ 0.9473 |  |  |  |  |  |  |  |  |  |  |  |
Common Unitholders |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Date Paid |  | Nov. 14, 2022 | Aug. 12, 2022 | May 13, 2022 | Feb. 14, 2022 | Nov. 12, 2021 | Aug. 13, 2021 | May 14, 2021 | Feb. 12, 2021 | Nov. 13, 2020 | Aug. 14, 2020 | May 15, 2020 |
Per Unit Amount (in dollars per unit) |  | $ 0.1500 | $ 0.1500 | $ 0.1500 | $ 0.1500 | $ 0.1500 | $ 0.1500 | $ 0.1500 | $ 0.1500 | $ 0.1500 | $ 0.1500 | $ 0.1500 |
Total Amount |  | $ 18,387 | $ 18,387 | $ 18,387 | $ 18,387 | $ 18,387 | $ 18,387 | $ 18,387 | $ 18,387 | $ 18,387 | $ 18,387 | $ 18,387 |
Common Unitholders | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Date Paid | Feb. 14, 2023 |  |  |  |  |  |  |  |  |  |  |  |
Total Amount | $ 24,000 |  |  |  |  |  |  |  |  |  |  |  |

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