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Property, Plant and Equipment, Net - Schedule of Net Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 15, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 297,702	$ 291,205	$ 15,549
Less: accumulated depreciation and depletion	48,569	42,809
Total property, plant and equipment, net	249,133	248,396
Machinery, equipment and tooling
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	15,327	14,858	1,478
Wellsite proppant storage solutions
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7,805	5,286
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,983	1,955
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,175	1,140
Plant and building
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	159,785	158,882	1,407
Real estate properties
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4,621	4,601
Railroad and sidings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	27,347	27,347	$ 9,926
Land and land improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	27,395	27,167
Asset retirement obligation
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	16,356	16,469
Mineral properties
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,075	10,075
Deferred mining costs
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,806	1,806
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 24,027	$ 21,619

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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