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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
Dec. 31, 2017
Jun. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]            
Capitalized interest       $ 2,200 $ 1,700  
Depreciation expense       82,300 46,500 $ 48,300
Impairment of property, plant and equipment held for use       41,212 6,272 10,913
Trade            
Property, Plant and Equipment [Line Items]            
Impairment of property, plant and equipment held for sale   $ 5,300   1,600    
Asset impairment   10,900        
Impairment of property, plant and equipment held for use   $ 5,600 $ 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       28,500 $ 24,700 $ 20,000
Frac Sand Assets [Member] | Trade            
Property, Plant and Equipment [Line Items]            
Impairment of property, plant and equipment held for use       $ 32,300