Revenue Recognition - Revenue Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue from Contract with Customer [Abstract]
Revenue, performance obligation, description of timing									Payment is typically due in full within 30 days of the invoice date.
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									$ 1,618,584	$ 1,636,773
Other									192,663	113,440
Total revenues	$ 431,339	$ 450,307	$ 484,433	$ 445,168	$ 442,649	$ 467,891	$ 452,417	$ 387,256	1,811,247	1,750,213	$ 1,322,060
Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									1,555,393	1,580,997
Services transferred over time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									63,191	55,776
Revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									1,618,584	1,636,773
Marketing
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									1,555,393	1,580,997
Other									192,663	113,440
Total revenues									1,748,056	1,694,437	1,267,275
Marketing | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									1,555,393	1,580,997
Marketing | Services transferred over time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									0	0
Marketing | Revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									1,555,393	1,580,997
Transportation
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									63,191	55,776
Other									0	0
Total revenues									63,191	55,776	$ 53,358
Transportation | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									0	0
Transportation | Services transferred over time
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									63,191	55,776
Transportation | Revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Total revenues from contracts with customers									$ 63,191	$ 55,776