Amount of accumulated interest costs capitalized as part of property, plant and equipment cost basis.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

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- Definition

The total depreciation charge recorded for property subject to or held for lease.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Property, Plant and Equipment (Textual) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Capitalized interest			$ 0	$ 2,200
Depreciation expense			125,700	82,300	$ 46,500
Impairment of property, plant and equipment held for use			0	41,212	6,272
Trade
Property, Plant and Equipment [Line Items]
Impairment of property, plant and equipment held for sale				1,600
Impairment of property, plant and equipment held for use		$ 3,100		3,700
Rail Group
Property, Plant and Equipment [Line Items]
Impairment of property, plant and equipment held for use	$ 4,700
Depreciation expense on railcar assets leased to others			$ 30,800	28,500	$ 24,700
Frac Sand Assets [Member] \| Trade
Property, Plant and Equipment [Line Items]
Impairment of property, plant and equipment held for use				$ 32,300