v3.20.4
NET (LOSS) INCOME PER COMMON UNIT Table - Net (Loss) Income per Common Unit (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share [Abstract]              
Net income (loss)         $ (198,983) $ (105,693) $ 205,794
Distributions to preferred limited partners         (124,882) (121,693) (92,540)
Distributions to general partner         0 0 (1,141)
Distributions to common limited partners $ (43,787) $ (43,678) $ (43,678) $ (43,730) (174,873) (259,136) (248,705)
Distribution equivalent rights to restricted units         (2,093) (2,659) (2,045)
Distributions in excess of (loss) income         (500,831) (489,181) (138,637)
Distributions to common limited partners $ 43,787 $ 43,678 $ 43,678 $ 43,730 174,873 259,136 248,705
Allocation of distributions in excess of (loss) income         (500,831) (489,181) (138,659)
Series D Preferred Unit accretion (refer to Note 18)         (17,626) (18,085) (8,195)
Loss to common unitholders attributable to the Merger (refer to Note 5)         0 0 (377,079)
Net loss attributable to common units         $ (343,584) $ (248,130) $ (275,228)
Basic weighted-average common units outstanding         109,155,117 107,789,030 99,490,495
Basic weighted-average common units outstanding         109,155,117 107,789,030 99,490,495
Effect of dilutive potential common units         0 65,669 40,677
Diluted weighted-average common units outstanding         109,155,117 107,854,699 99,531,172
Basic net (loss) income per common unit         $ (3.15) $ (2.30) $ (2.77)
Diluted net income (loss) per common unit         $ (3.15) $ (2.30) $ (2.77)