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v3.20.4

Partners' Capital and Distributions - Preferred Unit Issuance (Details) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 10, 2017 $ / shares | Jan. 28, 2016 count $ / shares | Dec. 31, 2020 $ / shares | Nov. 15, 2022 $ / shares
Series B Preferred Units |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |
Sale of units, price per unit (in dollars per unit) | $ 1,000 |  |  |
Liquidation preference (in dollars per unit) |  |  | $ 1,000 |
Distribution rate percentage |  |  | 6.125% |
Distribution rate (per unit) |  |  | $ 61.25 |
Redemption price (in dollars per unit) |  |  | $ 1,020 |
Redemption price percentage |  |  | 102.00% |
Series B Preferred Units | Forecast |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |
Percentage spread on top of LIBOR for distribution |  |  |  | 4.11%
Redemption price (in dollars per unit) |  |  |  | $ 1,000
Series A Preferred Units |  |  |  |
Partners Capital and Distribution [Line Items] |  |  |  |
Shares issued, price per share |  | $ 26.25 |  |
Quarterly distributions per unit (in dollars per unit) |  |  | $ 0.525 |
Annualized distribution rate (in dollars per unit) |  |  | $ 2.10 |
Series A preferred unit conversion ratio |  |  | 1 |
Common unit closing price as a percentage of Issue Price, over which the entity has conversion option |  |  | 150.00% |
Period for closing price of common units to be above threshold, to trigger conversion option |  |  | 20 days |
Period after fifth and subsequent anniversaries of issuance for Distribution Rate Resets |  |  | 30 days |
Number of distribution rate reset elections allowed | count |  | 1 |  |
Distribution rate reset, basis spread on variable rate |  |  | 5.85% |
Period after sixth anniversary of issuance, after which units may be redeemed if distribution rate has been reset |  |  | 30 days |
Value of common units if exchanged for redemption of preferred units, as a percentage of average price |  |  | 95.00% |
Redemption price as a percentage of Issue Price |  |  | 110.00% |

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- Definition Price per unit of partnership interest sold during the period. + References No definition available. + Details
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- Definition Redemption price as a percentage of the liquidation preference. + References No definition available. + Details
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- Definition The percentage of the volume-weighted average price of the partnership's common units for a specified trading period, at which such common units are valued if given in exchange for the redemption of the preferred units. + References No definition available. + Details
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- Definition The annualized distributions per unit to which holders of the preferred units are entitled. + References No definition available. + Details
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- Definition Ratio applied to the conversion of preferred units into common units. + References No definition available. + Details
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- Definition Threshold period of specified consecutive trading days for which the closing price of the partnership's common units must be above a specified level to trigger the conversion option by the entity. + References No definition available. + Details
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- Definition The closing price of the partnership's common units as a percentage of the Issue Price of the preferred units that must be exceeded for a certain period of days in order for the entity to convert the preferred units, subject to minimum time requirements and certain minimum conversion amounts. + References No definition available. + Details
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- Definition The percentage points to be added to the applicable rate of the ten-year U.S. Treasury to calculate the new distribution rate on the preferred units if the holders elect to reset the distribution rate. + References No definition available. + Details
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- Definition Period following the fifth and each subsequent anniversary of the issuance date of the preferred units, within which the holders of the preferred units may elect to reset the preferred unit distribution rate. + References No definition available. + Details
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- Definition Period following the sixth anniversary of the issuance date of the preferred units, after which the entity may choose to redeem all or a portion of the outstanding preferred units, if the holders of the preferred units have exercised a distribution rate reset. + References No definition available. + Details
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644 + Details
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