DISPOSITIONS AND RESTRUCTURING	9 Months Ended
Sep. 30, 2020
Business Combinations [Abstract]
DISPOSITIONS AND RESTRUCTURING	15. DISPOSITIONS AND RESTRUCTURING Tioga Midstream Disposition. In February 2019, the Partnership entered into two Purchase and Sale Agreements (the “Tioga PSAs”) with Hess Infrastructure Partners LP and Hess North Dakota Pipelines LLC (collectively, “Hess Infrastructure”), pursuant to which the Partnership agreed to sell the Tioga Midstream system to Hess Infrastructure for a combined cash purchase price of $90 million, subject to adjustments as provided in the Tioga PSAs (the “Tioga Midstream Sale”). On March 22, 2019, the Partnership closed the Tioga Midstream Sale and recorded a gain on sale of $0.9 million based on the difference between the consideration received and the carrying value for Tioga Midstream at closing. The gain is included in the Gain on asset sales, net caption on the unaudited condensed consolidated statement of operations. The financial results of Tioga Midstream (a component of the Williston Basin reportable segment) are included in the Partnership’s unaudited condensed consolidated financial statements and footnotes for the period from January 1, 2019 through March 22, 2019. Restructuring Activities. As of December 31, 2019, the Partnership had $3.3 million of unpaid employee severance costs related to 2019 restructuring initiatives that resulted in certain management, facility and organizational changes. During the three and nine month periods ended September 30, 2020, the Partnership’s 2019 restructuring initiatives resulted in additional restructuring costs of $0.1 million and $3.4 million, respectively. The Partnership paid out $6.4 million of these 2019 restructuring costs during the nine months ended September 30, 2020 and has a $0.3 million current liability for unpaid employee severance costs at September 30, 2020 related to these 2019 restructuring initiatives. The 2019 restructuring activities primarily consisted of employee-related costs and consulting costs in support of the restructuring initiatives. Restructuring costs are included within the general and administrative expense caption on the condensed consolidated statement of operations.

DISPOSITIONS AND RESTRUCTURING

9 Months Ended

Sep. 30, 2020

15. DISPOSITIONS AND RESTRUCTURING

Tioga Midstream Disposition. In February 2019, the Partnership entered into two Purchase and Sale Agreements (the “Tioga PSAs”) with Hess Infrastructure Partners LP and Hess North Dakota Pipelines LLC (collectively, “Hess Infrastructure”), pursuant to which the Partnership agreed to sell the Tioga Midstream system to Hess Infrastructure for a combined cash purchase price of $90 million, subject to adjustments as provided in the Tioga PSAs (the “Tioga Midstream Sale”). On March 22, 2019, the Partnership closed the Tioga Midstream Sale and recorded a gain on sale of $0.9 million based on the difference between the consideration received and the carrying value for Tioga Midstream at closing. The gain is included in the Gain on asset sales, net caption on the unaudited condensed consolidated statement of operations. The financial results of Tioga Midstream (a component of the Williston Basin reportable segment) are included in the Partnership’s unaudited condensed consolidated financial statements and footnotes for the period from January 1, 2019 through March 22, 2019.

Restructuring Activities. As of December 31, 2019, the Partnership had $3.3 million of unpaid employee severance costs related to 2019 restructuring initiatives that resulted in certain management, facility and organizational changes. During the three and nine month periods ended September 30, 2020, the Partnership’s 2019 restructuring initiatives resulted in additional restructuring costs of $0.1 million and $3.4 million, respectively. The Partnership paid out $6.4 million of these 2019 restructuring costs during the nine months ended September 30, 2020 and has a $0.3 million current liability for unpaid employee severance costs at September 30, 2020 related to these 2019 restructuring initiatives. The 2019 restructuring activities primarily consisted of employee-related costs and consulting costs in support of the restructuring initiatives. Restructuring costs are included within the general and administrative expense caption on the condensed consolidated statement of operations.