Derivative Instruments and Fair Value Measurements - Narrative (Details) - Commodity Contract	12 Months Ended
	Dec. 31, 2020 barrel_of_oil_per_day contract	Dec. 31, 2019 barrel_of_oil_per_day contract
Derivative [Line Items]
Number of contracts held, fair value | contract	3
Number of contracts held | contract	6	6
January 2021 through December 2021
Derivative [Line Items]
Production per day	192
January 2020 through February 2020
Derivative [Line Items]
Production per day		258
March 2020 through April 2020
Derivative [Line Items]
Production per day		322
May 2020 through December 2020
Derivative [Line Items]
Production per day		258