Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative credit risk valuation adjustment, derivative assets	$ 0.1
Derivative credit risk valuation adjustment, derivative liabilities			$ 0.5
Inflation factor | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Asset retirement obligation measurement input (percent)	2.50%
Estimated future cash flows, measurement input (percent)		2.50%
Market-based weighted average cost of capital | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Asset retirement obligation measurement input (percent)	7.90%
Market-based weighted average cost of capital | Discounted Cash Flow | Proved Oil And Gas Properties
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated future cash flows, measurement input (percent)		12.70%
Market-based weighted average cost of capital | Discounted Cash Flow | Midstream Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated future cash flows, measurement input (percent)		10.40%
Commodity forward prices | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated future cash flows, measurement input (percent)		2.50%