2020 Asset Exchange Transaction	3 Months Ended
	Mar. 31, 2020
Nonmonetary Transactions [Abstract]
2020 Asset Exchange Transaction	2020 Asset Exchange TransactionsDuring the first quarter of 2020, the Company closed on various acreage trade agreements (collectively, the 2020 Asset Exchange Transactions), pursuant to which the Company exchanged approximately 5,000 aggregate net revenue interest acres for approximately 5,000 aggregate net revenue interest acres, all of which are located primarily in Greene County, Pennsylvania. As a result of the 2020 Asset Exchange Transactions, the Company recognized a loss of $48.9 million in loss on exchange of long-lived assets in the Statement of Condensed Consolidated Operations for the three months ended March 31, 2020. The fair value of leases acquired were based on inputs that are not observable in the market and, as such, is a Level 3 fair value measurement. See Note 4 for a description of the fair value hierarchy. Key assumptions used in the fair value calculation included market-based prices for comparable acreage.