PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	$ 301,822	$ 299,678
Infrastructure
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	315,260	310,064
Less: accumulated depreciation	(16,269)	(13,215)
Property, plant, and equipment, net	301,822	299,678
Infrastructure | Land and site improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	19,527	19,492
Infrastructure | Construction in progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	45,815	55,927
Infrastructure | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,750	2,750
Infrastructure | Crude oil terminal machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	225,210	210,857
Infrastructure | Track and track related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	17,433	17,159
Infrastructure | Railroad equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	777	1,050
Infrastructure | Railcars and locomotives
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,361	1,720
Infrastructure | Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	167	152
Infrastructure | Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	410	410
Infrastructure | Vehicles
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	810	547
Infrastructure | Spare parts
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,831	2,829
Infrastructure | Railroad | Reportable Subsegments | Operating Segments
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	29,209	27,599
Less: accumulated depreciation	(3,450)	(2,907)
Property, plant, and equipment, net	25,759	24,692
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Land and site improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	5,478	5,478
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Construction in progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,583	893
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	557	557
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Crude oil terminal machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	0	0
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Track and track related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	17,433	17,159
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Railroad equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	777	1,050
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Railcars and locomotives
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,361	1,720
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	133	118
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	121	121
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Vehicles
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	766	503
Infrastructure | Railroad | Reportable Subsegments | Operating Segments | Spare parts
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	0	0
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	286,051	282,465
Less: accumulated depreciation	(12,819)	(10,308)
Property, plant, and equipment, net	276,063	274,986
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Land and site improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	14,049	14,014
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Construction in progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	44,232	55,034
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,193	2,193
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Crude oil terminal machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	225,210	210,857
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Track and track related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	0	0
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Railroad equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	0	0
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Railcars and locomotives
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	0	0
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	34	34
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	289	289
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Vehicles
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	44	44
Infrastructure | Jefferson Terminal | Reportable Subsegments | Operating Segments | Spare parts
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 2,831	$ 2,829