Partners' Capital and Distributions - Shares Activity (Details) - shares	3 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024
Class A Shares
Increase (Decrease) in Partners' Capital
Balance, beginning of period (in shares)	197,743,624	197,743,624	197,465,699	197,263,697	197,252,259	196,416,760
Exchange Right exercises (in shares)			277,925		11,438	835,499
Repurchase of Series A preferred units by a subsidiary (in shares)		0	0
Other (in shares)	144,500	0	0	202,002	0	0
Balance, ending of period (in shares)	197,888,124	197,743,624	197,743,624	197,465,699	197,263,697	197,252,259
Class B Shares
Increase (Decrease) in Partners' Capital
Balance, beginning of period (in shares)	35,112,306	35,112,306	35,390,231	35,390,231	35,401,669	36,237,168
Exchange Right exercises (in shares)			(277,925)		(11,438)	(835,499)
Repurchase of Series A preferred units by a subsidiary (in shares)		0	0
Other (in shares)	0	0	0	0	0	0
Balance, ending of period (in shares)	35,112,306	35,112,306	35,112,306	35,390,231	35,390,231	35,401,669
Class C Shares
Increase (Decrease) in Partners' Capital
Balance, beginning of period (in shares)	528,860,430	529,331,928	542,004,838	539,517,839	539,507,571	539,445,289
Exchange Right exercises (in shares)					0
Repurchase of Series A preferred units by a subsidiary (in shares)		(476,695)	(12,678,560)
Other (in shares)	2,048,818	5,197	5,650	2,385,758	10,268	62,282
Balance, ending of period (in shares)	530,909,248	528,860,430	529,331,928	541,903,597	539,517,839	539,507,571