Derivative Instruments - Fair value gains (losses) (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Summary of realized and unrealized gains (losses) on derivative instruments | ||||
| Commodity derivative fair value gains (losses) | $ 463,972 | $ (87,594) | $ 658,283 | |
| Marketing Derivative | 0 | 94,081 | (21,394) | |
| Proceeds from marketing derivative | 73,000 | |||
| Commodity derivative fair value gains (losses) on derivatives monetized prior to settlement dates | 370,000 | 750,000 | ||
| Premium paid for a collar agreement | $ 13,000 | |||
| Revenue | ||||
| Summary of realized and unrealized gains (losses) on derivative instruments | ||||
| Commodity derivative fair value gains (losses) | $ 463,972 | (87,594) | 658,283 | |
| Marketing Derivative | $ 94,081 | $ (21,394) | ||
| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments monetized prior to settlement dates. No definition available.
|
| X | ||||||||||
- Definition The amount of marketing derivative gains and losses. No definition available.
|
| X | ||||||||||
- Definition Amount of premium paid for a collar agreement. No definition available.
|
| X | ||||||||||
- Definition The amount of cash inflow from marketing derivative. No definition available.
|
| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Details
|