Net Income Per Limited Partner Unit - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions					3 Months Ended
	May 13, 2021	Feb. 11, 2021	May 14, 2020	Feb. 13, 2020	Mar. 31, 2021	Mar. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Partner distributions declared	$ 37,600	$ 37,600	$ 37,600	$ 37,600	$ 37,600	$ 37,600
Net income attributable to the Partnership in excess of distributions					4,400	4,100
Net income attributable to the Partnership					$ 42,000	$ 41,700
Weighted average units outstanding:
Basic and Diluted (in shares)
Incentive distribution rights currently held by the General Partner
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Partner distributions declared	1,200	1,200	1,200	1,200	$ 1,200	$ 1,200
Net income attributable to the Partnership in excess of distributions					0	0
Net income attributable to the Partnership					1,200	1,200
Limited partners' distribution declared on common units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Partner distributions declared	36,400	18,200	18,200	18,200	36,400	18,200
Net income attributable to the Partnership in excess of distributions					(5,100)	2,100
Net income attributable to the Partnership					$ 31,300	$ 20,300
Weighted average units outstanding:
Basic and Diluted (in shares)					80.4	52.4
Net income per limited partner unit (in dollars):
Basic and Diluted (in dollars per share)					$ 0.39	$ 0.39
Limited partners' distribution declared on subordinated units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Partner distributions declared	$ 0	$ 18,200	$ 18,200	$ 18,200	$ 0	$ 18,200
Net income attributable to the Partnership in excess of distributions					9,500	2,000
Net income attributable to the Partnership					$ 9,500	$ 20,200
Weighted average units outstanding:
Basic and Diluted (in shares)					52.4	52.4
Net income per limited partner unit (in dollars):
Basic and Diluted (in dollars per share)					$ 0.18	$ 0.39