Certain Provisions of the Partnership Agreement (Tables)

12 Months Ended

Dec. 31, 2022

Partners' Capital [Abstract]

Summary of Distribution Activity

A summary of the distribution activity relating to the Series B Preferred Units during the years ended December 31, 2022, 2021, and 2020 is provided below:

Declaration period	Distribution paid as additional Series B Preferred Units	Cash distribution (in millions)		Date paid/payable
2022
First Quarter of 2022	—	$	17.5	May 13, 2022 (2)
Second Quarter of 2022	—	$	17.3	August 12, 2022
Third Quarter of 2022	—	$	17.3	November 14, 2022
Fourth Quarter of 2022	—	$	17.3	February 13, 2023
2021
First Quarter of 2021	150,871	$	17.0	May 14, 2021
Second Quarter of 2021	151,248	$	17.0	August 13, 2021
Third Quarter of 2021	151,626	$	17.1	November 12, 2021
Fourth Quarter of 2021	—	$	19.2	February 11, 2022 (1)
2020
First Quarter of 2020	149,371	$	16.8	May 13, 2020
Second Quarter of 2020	149,745	$	16.8	August 13, 2020
Third Quarter of 2020	150,119	$	16.9	November 13, 2020
Fourth Quarter of 2020	150,494	$	16.9	February 12, 2021

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(1)In December 2021 and January 2022, we paid $0.9 million and $1.0 million, respectively, of accrued distributions related to the fourth quarter of 2021 on redeemed Series B Preferred Units. The remaining distribution of $17.3 million related to the fourth quarter of 2021 was paid on February 11, 2022.

(2)In January 2022, we paid $0.3 million of accrued distributions related to the first quarter of 2022 on redeemed Series B Preferred Units. The remaining distribution of $17.2 million related to the first quarter of 2022 was paid on May 13, 2022.