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Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Sand sales revenue	$ 122,340	$ 233,073	$ 212,470
Revenue from Contract with Customer | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	100.00%	100.00%	101.00%
Sand sales revenue
Disaggregation of Revenue [Line Items]
Sand sales revenue	$ 70,902	$ 109,621	$ 143,533
Sand sales revenue | Revenue from Contract with Customer | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	58.00%	47.00%	68.00%
Shortfall revenue
Disaggregation of Revenue [Line Items]
Sand sales revenue	$ 23,281	$ 49,259	$ 6,032
Shortfall revenue | Revenue from Contract with Customer | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	19.00%	21.00%	3.00%
Logistics revenue
Disaggregation of Revenue [Line Items]
Sand sales revenue	$ 28,157	$ 74,193	$ 62,905
Logistics revenue | Revenue from Contract with Customer | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	23.00%	32.00%	30.00%

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