Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

During the years ended December 31, 2018 and 2017, the change in the carrying amount of goodwill was as follows (in thousands):

Balance at January 1, 2017	$	105,732
Wyoming Refining acquisition purchase price allocation adjustment (1)	1,455
Balance at December 31, 2017	107,187
Acquisition of Northwest Retail (1)	46,210
Balance at December 31, 2018	$	153,397

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(1) Please read Note 4—Acquisitions for further discussion.

Schedule of Finite-Lived Intangible Assets

Intangible assets consist of the following (in thousands):

	December 31,
	2018			2017
Intangible assets:
Railcar leases	$	3,249		$	3,249
Trade names and trademarks	6,267			6,267
Customer relationships	32,064			32,064
Total intangible assets	41,580			41,580
Accumulated amortization:
Railcar leases	(3,249		)	(3,249		)
Trade name and trademarks	(5,037		)	(4,951		)
Customer relationships	(9,347		)	(6,776		)
Total accumulated amortization	(17,633		)	(14,976		)
Net:
Railcar leases	—			—
Trade name and trademarks	1,230			1,316
Customer relationships	22,717			25,288
Total intangible assets, net	$	23,947		$	26,604

Finite-lived Intangible Assets Amortization Expense

Expected amortization expense for each of the next five years and thereafter is as follows (in thousands):

Year Ended	Amount
2019	$	2,658
2020	2,658
2021	2,658
2022	2,658
2023	2,658
Thereafter	10,657
	$	23,947