RELATED‑PARTY TRANSACTIONS	12 Months Ended
RELATED‑PARTY TRANSACTIONS	Dec. 31, 2019
Related Party Transactions [Abstract]
RELATED‑PARTY TRANSACTIONS	RELATED‑PARTY TRANSACTIONS Corporate Office Building The Company rents its corporate office building and the associated real property from an entity, in which a former executive officer of the Company has an equity interest. The rent expense on our corporate office building is approximately $0.1 million per year. During the years ended December 31, 2019 and 2018, the Company incurred costs of approximately $1.6 million and $0.9 million, respectively, for improvements made to our corporate office building that we rent. In April 2020, the Company acquired the corporate office building and associated real property for approximately$1.5 million. Operations and Maintenance Yards The Company also rents five yards from an entity, which certain former executive officers, an executive officer and a director of the Company have equity interests and total annual rent expense for each of the five yards was approximately $0.03 million, $0.03 million, $0.1 million, $0.1 million, and $0.2 million, respectively. The Company also leased a yard from another entity, which a certain executive officer of the Company has an equity interest, and with annual lease expense of $0.1 million. Subsequent to the issuance of the consolidated financial statements for the year ended December 31, 2018 we identified the following related party transaction. In 2018, the Company entered into a construction and purchase agreement for a maintenance facility for our pressure pumping operations with a developer. The developer for the maintenance facility was an equal partner with a former executive officer of the Company in a separate legal entity. The entity the former executive officer was associated with provided funding to the developer related to the construction of the maintenance facility. The construction and purchase cost of $2.3 million was paid to the developer during the year ended December 31, 2018. Transportation and Equipment Rental For the years ended December 31, 2019, 2018 and 2017, the Company incurred costs for transportation services with an entity, in which a former executive officer of the Company had an equity interest, of approximately $0.2 million, $0.4 million and $0.3 million, respectively. During the years ended December 31, 2018 and 2017, the partner in the entity with the former executive officer reimbursed the Company approximately $0.05 million and $0.1 million, respectively, for the use of the Company’s personnel to operate the transportation equipment. The Company also rented equipment in Elk City, Oklahoma for our flowback operations from an entity, which a former executive officer of the Company has an equity interest. For the years ended December 31, 2019, 2018 and 2017, the Company incurred and paid $0.2 million, $0.2 million and $0.2 million, respectively. This rental arrangement was terminated in January 2020. At December 31, 2019 and 2018, the Company had $0 and $0.01 million in payables to the above related parties, respectively. There were no receivables at December 31, 2019 and 2018 from the above related party transactions. PT Petroleum, LLC Subsequent to the issuance of the consolidated financial statements for the year ended December 31, 2018 we identified the following related party transaction. For the years ended December 31, 2018 and 2017, the Company provided services to PT Petroleum, LLC, an entity in which a director was an officer, of approximately $16.7 million and $39.0 million, respectively. Pioneer On December 31, 2018, we consummated the purchase of certain pressure pumping assets and real property in connection with the Pioneer Pressure Pumping Acquisition. The acquisition cost of the assets was comprised of approximately $110.0 million of cash and 16.6 million shares of our common stock. In connection with the consummation of the Pioneer Pressure Pumping Acquisition and effective January 1, 2019, we became a long-term service provider to Pioneer, providing pressure pumping and related services for a term of up to ten years. Revenue from services provided to Pioneer accounted for approximately $524.2 million, $76.0 million and $36.0 million of our total revenue during the years ended December 31, 2019, 2018 and 2017, respectively. During 2019, the Company reimbursed Pioneer approximately $4.2 million for our portion of the retention bonuses paid to former Pioneer employees that were subsequently employed by the Company and also Pioneer reimbursed the Company approximately $2.5 million for severance payments made on their behalf, in connection with the Pioneer Pressure Pumping Acquisition. As of December 31, 2019, the total accounts receivable due from Pioneer, including estimated unbilled receivable for services we provided, amounted to $61.7 million and the amount due to Pioneer was $0.