Derivative Instruments and Fair Value Measurements - Narrative (Details) - Commodity Contract	6 Months Ended	12 Months Ended
	Jun. 30, 2020 barrel_of_oil_per_day contract	Dec. 31, 2019 barrel_of_oil_per_day contract
Derivative Instruments, Gain (Loss) [Line Items]
Number of contracts held | contract	2	6
July 2020 through December 2020
Derivative Instruments, Gain (Loss) [Line Items]
Production	258
January 2020 through February 2020
Derivative Instruments, Gain (Loss) [Line Items]
Production		258
March 2020 through April 2020
Derivative Instruments, Gain (Loss) [Line Items]
Production		322
May 2020 through December 2020
Derivative Instruments, Gain (Loss) [Line Items]
Production		258