Commitments and Contingencies - Additional Information (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2020 T gal	Dec. 31, 2019 T gal
Proppant
Long-term Purchase Commitment [Line Items]
Minimum mass required (in tons) | T	4,158,750	7,978,300
Chemicals
Long-term Purchase Commitment [Line Items]
Minimum volume required | gal	1,221,000	3,339,534