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Quarterly Financial Data (Unaudited) - Schedule of Quarterly Financial Information (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, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]                      
Operating revenues $ 551,204 $ 591,022 $ 398,402 $ 391,695 $ 512,379 $ 559,736 $ 605,528 $ 471,786 $ 1,932,323 $ 2,149,429 $ 2,445,917
Gross profit 56,478 62,272 57,648 35,729 35,045 41,145 41,370 37,077 212,127 154,637 172,795
Operating income (loss) 8,139 23,692 6,329 77,432 9,441 12,349 13,920 7,612 115,592 [1] 43,322 [1] 35,012 [1]
Net income attributable to limited partners $ 8,960 $ 21,205 $ 5,230 $ 72,061 $ 4,258 $ 7,165 $ 6,441 $ 212 $ 107,456 $ 18,076 $ 5,251
Basic and diluted earnings per common unit $ 0.24 $ 0.56 $ 0.14 $ 2.00 $ 0.12 $ 0.20 $ 0.18 $ 0.00 $ 2.87 $ 0.51 $ 0.11
[1]

As discussed in Note 2, as a result of the adoption of ASC 842, operating income for 2020 and 2019 is not comparable to operating income for 2018. Most significantly, payments on our previous failed sale-leaseback obligations were characterized as principal and interest expense in periods prior to 2019. Starting in 2019, these payments are characterized as rent expense and thus reduce operating income. These payments for the Wholesale and Retail segments amounted to approximately $6.7 million and $0.5 million for 2018, respectively. Of the total payments, $5.5 million was classified as interest expense in 2018.