Net Income Per Limited Partner Unit - Distributions Made to Limited Partner, by Distribution (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Partnership Distributions [Abstract]
Record Date	Aug. 03, 2021	May 04, 2021	Feb. 02, 2021
Payment Date	Aug. 10, 2021	May 11, 2021	Feb. 09, 2021
Cash Distribution (per unit)	$ 0.5250	$ 0.5250	$ 0.5250
Cash Distribution (in thousands)	$ 19,924	$ 19,916	$ 19,912