Revenue (Tables)

6 Months Ended

Jun. 30, 2020

Revenue [Abstract]

Disaggregation of Revenue by Major Source

	Three Months Ended ‎June 30,				Six Months Ended ‎June 30,
	2020		2019		2020		2019
Revenues
Service revenues
Terminal services	$	2,015	$	2,329	$	4,100	$	4,895
Trucking and other		1,090		1,122		2,258		2,017
Total service revenues		3,105		3,451		6,358		6,912
Leasing revenues (1)
Storage and throughput services		11,785		11,785		23,570		23,570
Railcar transportation services		5,374		5,505		10,498		11,124
Terminal services		117		84		226		306
Total leasing revenues		17,276		17,374		34,294		35,000
Total revenues	$	20,381	$	20,825	$	40,652	$	41,912

(1) Leasing revenues do not represent revenues recognized from contracts with customers under ASC 606, Revenue from Contracts with Customers, and are accounted for under ASC 842, Leases.

Changes in Unearned Revenue from Service Agreements

	Amount
Balance at January 1, 2020	$	230
Revenue recognized included in beginning balance		(230)
Net additions		225
Balance at March 31, 2020		225
Revenue recognized included in beginning balance		(225)
Net additions		251
Balance at June 30, 2020	$	251