Commitments and Contingencies (Details) gal in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) gal	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Minimum volume purchase requirements
2019 | gal	418,738
2020 | gal	351,900
2021 | gal	231,300
2022 | gal	187,200
2023 | gal	177,400
Thereafter | gal	142,100
Total | gal	1,508,638
Brand Fee Agreement, future minimum payments
2019	$ 9,000
2020	9,000
2021	9,000
2022	9,000
2023	9,000
Thereafter	4,500
Total	49,500
Brand Fee Agreement
Expenses reflected in cost of sales related to agreement	$ 9,000	$ 9,000	$ 9,000