Equity - Allocations of Net Income (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
		Aug. 12, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income attributable to partners			$ 43,624	$ 46,328	$ 123,137	$ 118,539
Less: General partner's IDRs			0	0	0	(17,632)
Net income available to partners			43,624	46,328	123,137	100,907
General partner's allocated interest in net income			0	0	0	1,092
General partner's IDRs			0	0	0	17,632
Total general partner's interest in net income	[1]		$ 0	$ 0	$ 0	$ 18,724
General Partnership
General partner's ownership interest (as percent)		2.00%	0.00%	0.00%	0.00%	2.00%

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