Subsequent Events (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Apr. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Operating lease, liability			$ 52,617
Reduced lease payments due			62,831
Operating lease right-of-use assets			$ 52,983	$ 53,076
Forecast
Restructuring Cost and Reserve [Line Items]
Operating lease, liability	$ 3,000
Operating lease right-of-use assets	3,000
Forecast | Proppant Express Investments, LLC | Administrative Support and Purchase and Lease Proppant Logistics Equipment | Affiliated Entity
Restructuring Cost and Reserve [Line Items]
Reduced lease payments due		$ 1,000
One-time Severance Costs | Forecast
Restructuring Cost and Reserve [Line Items]
Expected severance costs	$ 7,400