Commitments and Contingencies	3 Months Ended
Mar. 31, 2020
Commitments And Contingencies Disclosure [Abstract]
Commitments And Contingencies	11. COMMITMENTS AND CONTINGENCIES: Chapter 11 Proceedings On May 14, 2020, the Debtors filed the Chapter 11 Cases seeking relief under the Bankruptcy Code. The Company expects to continue operations in the normal course for the duration of the Chapter 11 Cases. In addition, commencement of the Chapter 11 Cases automatically stayed all of the proceedings and actions against the Company (other than regulatory enforcement matters), including those noted below. For more information on the Chapter 11 Cases and related matters, refer to the Introductory Note – Voluntary Reorganization Under Chapter 11 and Note 6 – Debt. Litigation Matters Pending Claims – Ultra Resources Indebtedness On April 29, 2016, the Company and its subsidiaries filed voluntary petitions under Chapter 11 of the United States Bankruptcy Code in the Court. Our 2016 Chapter 11 cases were jointly administered under the caption In re Ultra Petroleum Corp., et al, Case No. 16-32202 (MI) (Bankr. S.D. Tex.). On March 14, 2017, the Court confirmed our Debtors’ Second Amended Joint Chapter 11 Plan of Reorganization (the “Prior Plan”) and on April 12, 2017, we emerged from bankruptcy. The Prior Plan provided for the treatment of claims against our bankruptcy estates, including claims for prepetition liabilities that have not otherwise been satisfied or addressed before we emerged from Chapter 11 proceedings. The claims resolution process associated with our Chapter 11 proceedings is on-going, and we expect it to continue for an indefinite period of time. During our previous bankruptcy proceedings in 2016 and 2017, many holders of this indebtedness filed proofs of claim with the Court, asserting claims for the outstanding balance of the indebtedness, unpaid prepetition interest, unpaid postpetition interest (including interest at the default rates under the prepetition debt agreements), make-whole amounts, and other fees and obligations allegedly arising under the prepetition debt agreements. As previously disclosed, in connection with our emergence from bankruptcy and in accordance with the Prior Plan, all of our obligations with respect to Ultra Resources prepetition indebtedness and the associated debt agreements were cancelled, except to the limited extent expressly set forth in the Prior Plan, and the holders of claims related to the indebtedness received payment in full of allowed claims (including with respect to outstanding principal, unpaid prepetition interest, and certain other prepetition fees and obligations arising under the debt agreements). In connection with the confirmation and consummation of the Prior Plan, we entered into a stipulation with the claimants pursuant to which we agreed to establish and fund a $400.0 million reserve account after the Company’s emergence from bankruptcy, pending resolution of make-whole and postpetition interest claims. On April 14, 2017, we funded the account. Following our emergence from bankruptcy, we continued to dispute the claims made by holders of the Ultra Resources’ indebtedness for certain make-whole amounts and postpetition interest at the default rates provided for in the debt agreements. On September 22, 2017, the Court denied the Company’s objection to the pending make-whole and postpetition interest claims. On October 6, 2017, the Court entered an order requiring the Company to distribute amounts attributable to the disputed claims to the applicable parties. Pursuant to the order, on October 12, 2017, the Company distributed $399.0 million from the reserve fund to the parties asserting the make-whole and postpetition interest claims and $1.3 million (the balance remaining after distributions to the parties asserting claims) was returned to the Company. The disbursement of $399.0 million was comprised of $223.8 million representing the fees owed under the make-whole claims and $175.2 million representing postpetition interest at the default rate. The Company appealed the court order denying its objections to these claims to the U.S. Court of Appeals for the Fifth Circuit (the “Appellate Court”). During the fourth quarter of 2018, the Company entered into settlement agreements (collectively, the “Settlement Agreements”) with holders of certain claims related to Ultra Resources’ prepetition indebtedness (the “Claimants”) pursuant to which the parties agreed to settle the pending disputes between the Claimants and the Company. Under the terms of the Settlement Agreements, the Claimants collectively agreed to pay approximately $16.4 million to the Company. On January 17, 2019, the Appellate Court issued an opinion vacating the order of the Court that had denied the Company’s objection to the asserted make-whole and post-petition interest claims and remanding the matter and those determinations to the Court for further reconsideration. On January 31, 2019, the holders of these claims filed a petition for rehearing en banc. During 2019, the Company entered into additional settlement agreements with holders of certain make-whole and post-petition interest claims. Pursuant to these settlements, the parties agreed to settle the pending disputes between such holders and the Company, and the holders collectively agreed to pay approximately $13.5 million to the Company. As of March 31, 2020, there is approximately $240 million of claims subject to the Appellate Court decision. It is not possible to determine the ultimate disposition of these matters at this time. Other Claims We are also party to various disputes with respect to certain overriding royalty and net profits interests in certain of our operated leases in the Pinedale field. At this time, no determination of the outcome of these claims can be made, and we cannot reasonably estimate the potential impact of these claims. We are defending these cases vigorously, and we expect these claims to be resolved in our Chapter 11 proceedings. In addition, we are currently involved in various routine disputes and allegations incidental to our business operations. While it is not possible to determine the ultimate disposition of these matters, we believe the Company has adequately reserved for such items where it has been determined that a liability is probable and is reasonably estimable. Additionally, we believe that resolution of all such additional pending or threatened litigation is not likely to have a material adverse effect on our financial position, results of operations, or cash flows.

Commitments and Contingencies

3 Months Ended

Mar. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

11. COMMITMENTS AND CONTINGENCIES:

Chapter 11 Proceedings

On May 14, 2020, the Debtors filed the Chapter 11 Cases seeking relief under the Bankruptcy Code. The Company expects to continue operations in the normal course for the duration of the Chapter 11 Cases. In addition, commencement of the Chapter 11 Cases automatically stayed all of the proceedings and actions against the Company (other than regulatory enforcement matters), including those noted below. For more information on the Chapter 11 Cases and related matters, refer to the Introductory Note – Voluntary Reorganization Under Chapter 11 and Note 6 – Debt.

Litigation Matters

Pending Claims – Ultra Resources Indebtedness

On April 29, 2016, the Company and its subsidiaries filed voluntary petitions under Chapter 11 of the United States Bankruptcy Code in the Court. Our 2016 Chapter 11 cases were jointly administered under the caption In re Ultra Petroleum Corp., et al, Case No. 16-32202 (MI) (Bankr. S.D. Tex.). On March 14, 2017, the Court confirmed our Debtors’ Second Amended Joint Chapter 11 Plan of Reorganization (the “Prior Plan”) and on April 12, 2017, we emerged from bankruptcy.

The Prior Plan provided for the treatment of claims against our bankruptcy estates, including claims for prepetition liabilities that have not otherwise been satisfied or addressed before we emerged from Chapter 11 proceedings. The claims resolution process associated with our Chapter 11 proceedings is on-going, and we expect it to continue for an indefinite period of time.

During our previous bankruptcy proceedings in 2016 and 2017, many holders of this indebtedness filed proofs of claim with the Court, asserting claims for the outstanding balance of the indebtedness, unpaid prepetition interest, unpaid postpetition interest (including interest at the default rates under the prepetition debt agreements), make-whole amounts, and other fees and obligations allegedly arising under the prepetition debt agreements. As previously disclosed, in connection with our emergence from bankruptcy and in accordance with the Prior Plan, all of our obligations with respect to Ultra Resources prepetition indebtedness and the associated debt agreements were cancelled, except to the limited extent expressly set forth in the Prior Plan, and the holders of claims related to the indebtedness received payment in full of allowed claims (including with respect to outstanding principal, unpaid prepetition interest, and certain other prepetition fees and obligations arising under the debt agreements). In connection with the confirmation and consummation of the Prior Plan, we entered into a stipulation with the claimants pursuant to which we agreed to establish and fund a $400.0 million reserve account after the Company’s emergence from bankruptcy, pending resolution of make-whole and postpetition interest claims. On April 14, 2017, we funded the account. Following our emergence from bankruptcy, we continued to dispute the claims made by holders of the Ultra Resources’ indebtedness for certain make-whole amounts and postpetition interest at the default rates provided for in the debt agreements.

On September 22, 2017, the Court denied the Company’s objection to the pending make-whole and postpetition interest claims. On October 6, 2017, the Court entered an order requiring the Company to distribute amounts attributable to the disputed claims to the applicable parties. Pursuant to the order, on October 12, 2017, the Company distributed $399.0 million from the reserve fund to the parties asserting the make-whole and postpetition interest claims and $1.3 million (the balance remaining after distributions to the parties asserting claims) was returned to the Company. The disbursement of $399.0 million was comprised of $223.8 million representing the fees owed under the make-whole claims and $175.2 million representing postpetition interest at the default rate. The Company appealed the court order denying its objections to these claims to the U.S. Court of Appeals for the Fifth Circuit (the “Appellate Court”).

During the fourth quarter of 2018, the Company entered into settlement agreements (collectively, the “Settlement Agreements”) with holders of certain claims related to Ultra Resources’ prepetition indebtedness (the “Claimants”) pursuant to which the parties agreed to settle the pending disputes between the Claimants and the Company. Under the terms of the Settlement Agreements, the Claimants collectively agreed to pay approximately $16.4 million to the Company.

On January 17, 2019, the Appellate Court issued an opinion vacating the order of the Court that had denied the Company’s objection to the asserted make-whole and post-petition interest claims and remanding the matter and those determinations to the Court for further reconsideration. On January 31, 2019, the holders of these claims filed a petition for rehearing en banc.

During 2019, the Company entered into additional settlement agreements with holders of certain make-whole and post-petition interest claims. Pursuant to these settlements, the parties agreed to settle the pending disputes between such holders and the Company, and the holders collectively agreed to pay approximately $13.5 million to the Company. As of March 31, 2020, there is approximately $240 million of claims subject to the Appellate Court decision. It is not possible to determine the ultimate disposition of these matters at this time.

Other Claims

We are also party to various disputes with respect to certain overriding royalty and net profits interests in certain of our operated leases in the Pinedale field. At this time, no determination of the outcome of these claims can be made, and we cannot reasonably estimate the potential impact of these claims. We are defending these cases vigorously, and we expect these claims to be resolved in our Chapter 11 proceedings. In addition, we are currently involved in various routine disputes and allegations incidental to our business operations. While it is not possible to determine the ultimate disposition of these matters, we believe the Company has adequately reserved for such items where it has been determined that a liability is probable and is reasonably estimable. Additionally, we believe that resolution of all such additional pending or threatened litigation is not likely to have a material adverse effect on our financial position, results of operations, or cash flows.