Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018		Dec. 31, 2017	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
Assets	$ 667,156	$ 1,073,628	[1]
Liabilities	$ 703,352	785,196	[1]
Termination period	1 year
Lease not yet commenced, expense	$ 4,085
Lease not yet commenced, term	3 years
Operating lease, rent expense		$ 26,606		$ 30,911
Non-cancelable revenue arrangements, future minimum revenues, 2020	$ 19,358
Non-cancelable revenue arrangements, future minimum revenues, 2021	14,019
Non-cancelable revenue arrangements, future minimum revenues, 2022	13,004
Non-cancelable revenue arrangements, future minimum revenues, 2023	12,609
Non-cancelable revenue arrangements, future minimum revenues, 2024	12,609
Non-cancelable revenue arrangements, future minimum revenues, subsequent years	$ 49,414
Accounting Standards Update 2016-02
Lessee, Lease, Description [Line Items]
Assets					$ 25,552
Liabilities					$ 25,552
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	17 years
Renewal term	5 years

[1] Financial information has been revised to include results attributable to MTI acquired from Martin Resource Management Corporation. See Note 2 – Significant Accounting Policies and Practices.