Equity - Allocations of Net Income (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
		Aug. 12, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income attributable to partners			$ 43,246	$ 44,415	$ 79,513	$ 72,211
Less: General partner's IDRs			0	(8,937)	0	(17,632)
Net income available to partners			43,246	35,478	79,513	54,579
General partner's allocated interest in net income			0	710	0	1,092
General partner's IDRs			0	8,937	0	17,632
Total general partner's interest in net income	[1]		$ 0	$ 9,647	$ 0	$ 18,724
General Partnership
General partner's ownership interest (as percent)		2.00%	0.00%	2.00%	0.00%	2.00%

[1] See Note 3 for a description of the IDR Restructuring Transaction.