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Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Goodwill [Line Items]      
Balance at beginning of period $ 195,919 $ 153,397 $ 107,187
Acquisition during period   42,522 46,210
Balance at end of period 127,997 $ 195,919 $ 153,397
Refining And Retail Segment      
Goodwill [Line Items]      
Impairment expense $ (67,922)