Earnings per Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss attributable to common unitholders - basic	$ (12,858)	$ (12,203)	$ (24,471)	$ (24,376)
Net loss attributable to common unitholders - diluted	$ (12,858)	$ (12,203)	$ (24,471)	$ (24,376)
Denominator:
Weighted-average common units outstanding - basic	332,209	329,043	331,195	328,062
Weighted-average common units outstanding - diluted	332,209	329,043	331,195	328,062
Dilutive loss per common unit	$ (0.04)	$ (0.04)	$ (0.07)	$ (0.07)
Units options
Earnings per Unit
Antidilutive securities			16,400	13,100
Restricted common units
Earnings per Unit
Antidilutive securities			4,500	9,100
CEP units
Earnings per Unit
Antidilutive securities			239,200	222,200