Subsequent Events Subsequent Events (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Feb. 24, 2020 |
Mar. 02, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Subsequent Event [Line Items] | |||||
| Proceeds from sales of oil and natural gas properties | $ 34,730 | $ 148,149 | $ 22,496 | ||
| Reeves County | |||||
| Subsequent Event [Line Items] | |||||
| Proceeds from sales of oil and natural gas properties | $ 140,700 | ||||
| Reeves County | Subsequent Event [Member] | |||||
| Subsequent Event [Line Items] | |||||
| Proceeds from sales of oil and natural gas properties | $ 150,000 | ||||
| Deferred incentive payments | $ 75,000 | ||||