Goodwill and Long-lived Asset Impairment Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Estimated Amortization Expense 2020	$ 16,670
Estimated Amortization Expense 2021	16,670
Estimated Amortization Expense 2022	16,670
Estimated Amortization Expense 2023	16,670
Estimated Amortization Expense 2024	$ 16,670
Finite-Lived Intangible Assets, Useful Lives	30 years
Intangible Assets	$ 235,200	$ 235,190
Accumulated Amortization	(52,834)	(36,201)
Total Intangible Assets	$ 182,366	198,989
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Lives	10 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Lives	20 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets	$ 91,941	84,399
Transportation Agreements Type [Domain]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets	59,933	59,933
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets	$ 83,326	$ 90,858