Commitments and Contingencies (Details) gal in Thousands, $ in Thousands			1 Months Ended	12 Months Ended
	Feb. 01, 2019 item	Dec. 31, 2016 item	Jun. 30, 2016 location	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) location item gal	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) item
Operating leases rent income (expense)
Annual rental income					$ 73,576
Number of railcars released | item	360				500
Number of properties under sale-leaseback agreement | location			30
Future minimum rental income under non-cancelable operating leases
Revenue from leases					$ 73,576
Minimum volume purchase requirements
2019 | gal					518,517
2020 | gal					415,900
2021 | gal					351,900
2022 | gal					231,300
2023 | gal					187,200
Thereafter | gal					319,500
Total | gal					2,024,317
Sale Leaseback Financing Arrangement [Member]
Future Minimum Sale-Leaseback Payments
2019					$ 4,618
2020					4,704
2021					4,791
2022					4,879
2023					4,969
Thereafter					40,308
Total					64,269
Future Minimum Sublease Rentals
2019					1,894
2020					1,182
2021					343
2022					10
Total					3,429
Operating leases rent income (expense)
Annual rental income					$ 2,400	$ 2,300	$ 1,200
Number of properties under sale-leaseback agreement | location					30
Future minimum rental income under non-cancelable operating leases
Revenue from leases					$ 2,400	2,300	1,200
Dealer Lease Of Gasoline Stations [Member]
Operating leases rent income (expense)
Annual rental income					71,600	68,800	68,800
Future minimum rental income under non-cancelable operating leases
2019					46,489
2020					25,644
2021					10,631
2022					1,436
2023					621
Thereafter					806
Total					85,627
Aggregate carrying value of the leased gasoline stations and equipment, net					479,100
Accumulated depreciation of the leased gasoline stations and equipment					154,300
Revenue from leases					71,600	68,800	$ 68,800
Sublease Of Railcars [Member]
Operating leases rent income (expense)
Number of railcars released | item		1,610					1,610
Lease payments foregone due to sublease termination					29,000	30,000
Sublease Of Railcars [Member] | Scenario, Forecast [Member]
Operating leases rent income (expense)
Lease payments foregone due to sublease termination				$ 13,000
Purchase commitment
Brand Fee Agreement, future minimum payments
2019					9,000
2020					9,000
2021					9,000
2022					9,000
2023					9,000
Thereafter					13,500
Total					58,500
Brand Fee Agreement
Expenses reflected in cost of sales related to agreement					9,000	9,000	$ 9,000
Office Space and Equipment [Member]
Future minimum payments under leases with non-cancelable terms
2019					3,280
2020					2,800
2021					2,783
2022					2,796
2023					2,860
Thereafter					6,882
Total					21,401
Operating leases rent income (expense)
Expenses under the operating lease arrangements					3,000	2,900	3,800
Terminal and Throughput Leases
Future minimum payments under leases with non-cancelable terms
2019					12,131
2020					7,239
2021					6,670
2022					4,426
2023					887
Thereafter					453
Total					31,806
Operating leases rent income (expense)
Expenses under the operating lease arrangements					16,200	13,200	14,400
Gasoline station buildings, improvements and storage tanks
Future minimum payments under leases with non-cancelable terms
2019					41,491
2020					39,370
2021					35,087
2022					31,122
2023					28,112
Thereafter					79,874
Total					255,056
Operating leases rent income (expense)
Expenses under the operating lease arrangements					47,200	42,900	41,500
Railcars
Future minimum payments under leases with non-cancelable terms
2019					11,104
2020					2,079
2021					1,540
Total					14,723
Operating leases rent income (expense)
Expenses under the operating lease arrangements					18,400	20,900	56,800
Barges
Future minimum payments under leases with non-cancelable terms
2019					30,818
2020					17,020
2021					12,672
2022					7,713
2023					5,876
Total					74,099
Operating leases rent income (expense)
Expenses under the operating lease arrangements					50,700	54,900	64,300
Mobile Equipment [Member]
Future minimum payments under leases with non-cancelable terms
2019					233
2020					230
2021					230
2022					230
2023					230
Thereafter					9,799
Total					10,952
Operating leases rent income (expense)
Expenses under the operating lease arrangements					$ 200	$ 200	$ 200