Fair Value Measurements (Recurring Fair Value Measurements) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value	$ 12,571	$ 23,566
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value	0	0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value	12,571	23,566
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value	0	0
Commodity derivative liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Total	12,571	23,566
Commodity derivative liabilities | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	0	0
Commodity derivative liabilities | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	12,571	23,566
Commodity derivative liabilities | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	$ 0	$ 0