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Partners' Capital, Mezzanine and Equity Distributions (Class A Convertible Preferred Units Narrative) (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  | 4 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 01, 2024 USD ($) director shares | Sep. 01, 2022 | Mar. 01, 2019 quarter | Feb. 14, 2018 $ / shares shares | Sep. 01, 2017 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) shares | Dec. 31, 2017 USD ($) shares | Sep. 01, 2019 USD ($)
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Class A convertible preferred units issued (in shares) |  |  |  |  |  | 22,411,728 | 22,411,728 |
Distribution paid-in-kind (in shares) |  |  |  |  |  |  | 162,234 |
Accumulated distributions to preferred unitholders | $ |  |  |  |  |  | $ 22,000 | $ 22,000 |
Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Temporary Equity, Distributions | $ |  |  |  |  |  | $ 5,500 |  |
Temporary Equity, Stock Issued During Period, Value, New Issues | $ |  |  |  |  | $ 750,000 |  |  |
Temporary Equity, Number of Shares Authorized To Be Converted |  |  |  |  | 7,416,498 |  |  |
Temporary Equity, Consecutive Period For Shares To be Converted |  |  |  |  | 12 months |  |  |
Temporary Equity, Minimum Number of Shares Outstanding Authorized To Be Converted |  |  |  |  | 592,768 |  |  |
Temporary Equity, Volume Weighted Average Price Percentage |  |  |  |  | 95.00% |  |  |
Temporary Equity, Consideration Payable To Holders In Cash For Change Of Control, Percentage |  |  |  |  | 90.00% |  |  |
Temporary Equity, Threshold Trading Days To Notify Holders |  |  |  |  | 30 days |  |  |
Temporary Equity, Consecutive Trading Days In Period Ending On Fifth Trading Day |  |  |  |  | 30 days |  |  |
Temporary Equity, Change in Control Multiplier Price Percentage |  |  |  |  | 101.00% |  |  |
Temporary Equity, Percentage of Distribution Paid-in-kind |  |  |  |  |  | 100.00% |  |
Distribution paid-in-kind (in shares) |  |  |  |  |  |  | 162,234 |
Accumulated distributions to preferred unitholders | $ |  |  |  |  |  | $ 22,000 | $ 22,000 |
Convertible Preferred Stock [Member] | In Arrears At Annual Rate [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  |  |  | 8.75% |  |  |
Preferred Stock, Dividend Rate, Per-Dollar-Amount | $ / shares |  |  |  |  | $ 2.9496 |  |  |
Convertible Preferred Stock [Member] | Quarterly Rate [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  |  |  | 2.1875% |  |  |
Preferred Stock, Dividend Rate, Per-Dollar-Amount | $ / shares |  |  |  |  | $ 0.7374 |  |  |
Convertible Preferred Stock [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Temporary Equity, Threshold Trading Days To Notify Holders |  | 30 days |  |  |  |  |  |
Basis spread |  |  | 2.00 |  |  |  |  |
Reset rate |  | 10.75% |  |  |  |  |  |
Percentage below issue price |  | 110.00% |  |  |  |  |  |
Temporary Equity, Percentage of Holders Required to Approve Rate Reset Election |  | 25.00% |  |  |  |  |  |
Temporary Equity, Multiplier Liquidation Value Percentage One | 110.00% |  |  |  |  |  |  |
Temporary Equity, Multiplier Liquidation Value Percentage Two | 105.00% |  |  |  |  |  |  |
Temporary Equity, Conversion Ratio | 1 |  |  |  |  |  |  |
Temporary Equity, Aggregate Amount Of Conversion Required, Minimum | $ |  |  |  |  |  |  |  | $ 50,000
Temporary Equity, Number of Quarters In Trading Period | quarter |  |  | 2 |  |  |  |  |
Temporary Equity, Aggregate Amount Of Ownership Required For Initial Purchasers To Attend Board Meetings | $ | $ 200,000 |  |  |  |  |  |  |
Temporary Equity, Percentage Required For Initial Purchasers To Purchase Securities | 50.00% |  |  |  |  |  |  |
Temporary Equity, Aggregate Number of Ownership Units Required For Initial Purchasers To Appoint Directors | 11,124,747 |  |  |  |  |  |  |
Temporary Equity, Number of Directors That Initial Purchasers Have Right To Appoint | director | 2 |  |  |  |  |  |  |
Convertible Preferred Stock [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Temporary Equity, Redemption Premium Percentage |  |  |  |  | 115.00% |  |  |
Convertible Preferred Stock [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Temporary Equity, Redemption Premium Percentage |  |  |  |  | 101.00% |  |  |
Convertible Preferred Stock [Member] | London Interbank Offered Rate (LIBOR) [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Basis spread |  | 0.0750 |  |  |  |  |  |
Private Placement [Member] | Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Temporary Equity, Stock Issued During Period, Value, New Issues | $ |  |  |  |  | $ 750,000 |  |  |
Class A convertible preferred units issued (in shares) |  |  |  |  | 22,249,494 | 22,411,728 | 22,411,728 |
Temporary Equity, Per Share Price | $ / shares |  |  |  |  | $ 33.71 |  |  |
Temporary Equity, Number of Initial Purchasers |  |  |  |  | 2 |  |  |
Subsequent Event [Member] | Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Distribution paid-in-kind (in shares) |  |  |  | 490,252 |  |  |  |
Subsequent Event [Member] | Convertible Preferred Stock [Member] | In Arrears At Annual Rate [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Per-Dollar-Amount | $ / shares |  |  |  | $ 2.9496 |  |  |  |
Subsequent Event [Member] | Convertible Preferred Stock [Member] | Quarterly Rate [Member] |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Per-Dollar-Amount | $ / shares |  |  |  | $ 0.7374 |  |  |  |

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