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Derivative Instruments - Schedule of Outstanding Commodity Derivative Instruments (Details) $ in Thousands | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Aug. 07, 2019 MMBTU bbl | Jun. 30, 2019 USD ($) MMBTU $ / bbl bbl | Aug. 08, 2019 $ / bbl
Derivative [Line Items] |  |  |
Fair value assets (liabilities) | $ |  | $ 20,280 |
NYMEX WTI | Crude Oil | 2019 Fixed price swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 4,000,000 |
Average swap price (in dollars per barrel) |  | 57.04 |
Fair value assets (liabilities) | $ |  | $ (3,303) |
NYMEX WTI | Crude Oil | 2019 Two-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 2,592,000 |
Average floor price (in dollars per barrel) |  | 57.87 |
Average ceiling price (in dollars per barrel) |  | 74.22 |
Fair value assets (liabilities) | $ |  | $ 7,308 |
NYMEX WTI | Crude Oil | 2019 Three-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 2,196,000 |
Average sub-floor price (in dollars per barrel) |  | 40.14 |
Average floor price (in dollars per barrel) |  | 51.52 |
Average ceiling price (in dollars per barrel) |  | 65.92 |
Fair value assets (liabilities) | $ |  | $ (284) |
NYMEX WTI | Crude Oil | 2020 Fixed price swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 2,597,000 |
Average swap price (in dollars per barrel) |  | 59.30 |
Fair value assets (liabilities) | $ |  | $ 6,728 |
NYMEX WTI | Crude Oil | 2020 Two-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 434,000 |
Average floor price (in dollars per barrel) |  | 58.07 |
Average ceiling price (in dollars per barrel) |  | 74.64 |
Fair value assets (liabilities) | $ |  | $ 1,835 |
NYMEX WTI | Crude Oil | 2020 Three-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 4,268,000 |
Average sub-floor price (in dollars per barrel) |  | 40.00 |
Average floor price (in dollars per barrel) |  | 53.49 |
Average ceiling price (in dollars per barrel) |  | 64.49 |
Fair value assets (liabilities) | $ |  | $ 4,790 |
NYMEX WTI | Crude Oil | 2021 Fixed price swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 93,000 |
Average swap price (in dollars per barrel) |  | 58.85 |
Fair value assets (liabilities) | $ |  | $ 357 |
NYMEX WTI | Crude Oil | 2021 Three-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 310,000 |
Average sub-floor price (in dollars per barrel) |  | 40.00 |
Average floor price (in dollars per barrel) |  | 52.97 |
Average ceiling price (in dollars per barrel) |  | 63.76 |
Fair value assets (liabilities) | $ |  | $ 376 |
NYMEX WTI | Subsequent Event | Crude Oil | 2019 Fixed price swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 4,122,000 |  |
Average swap price (in dollars per barrel) |  |  | 57.13
NYMEX WTI | Subsequent Event | Crude Oil | 2019 Two-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 2,592,000 |  |
Average floor price (in dollars per barrel) |  |  | 57.87
Average ceiling price (in dollars per barrel) |  |  | 74.22
NYMEX WTI | Subsequent Event | Crude Oil | 2019 Three-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 2,196,000 |  |
Average sub-floor price (in dollars per barrel) |  |  | 40.14
Average floor price (in dollars per barrel) |  |  | 51.52
Average ceiling price (in dollars per barrel) |  |  | 65.92
NYMEX WTI | Subsequent Event | Crude Oil | 2020 Fixed price swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 2,992,000 |  |
Average swap price (in dollars per barrel) |  |  | 59.05
NYMEX WTI | Subsequent Event | Crude Oil | 2020 Two-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 1,650,000 |  |
Average floor price (in dollars per barrel) |  |  | 53.04
Average ceiling price (in dollars per barrel) |  |  | 64.95
NYMEX WTI | Subsequent Event | Crude Oil | 2020 Three-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 4,574,000 |  |
Average sub-floor price (in dollars per barrel) |  |  | 40.00
Average floor price (in dollars per barrel) |  |  | 53.26
Average ceiling price (in dollars per barrel) |  |  | 64.48
NYMEX WTI | Subsequent Event | Crude Oil | 2021 Fixed price swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 93,000 |  |
Average swap price (in dollars per barrel) |  |  | 58.85
NYMEX WTI | Subsequent Event | Crude Oil | 2021 Two-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 62,000 |  |
Average floor price (in dollars per barrel) |  |  | 50.50
Average ceiling price (in dollars per barrel) |  |  | 60.70
NYMEX WTI | Subsequent Event | Crude Oil | 2021 Three-way collar |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 734,000 |  |
Average sub-floor price (in dollars per barrel) |  |  | 40.00
Average floor price (in dollars per barrel) |  |  | 51.26
Average ceiling price (in dollars per barrel) |  |  | 64.05
ICE Brent-NYMEX WTI | Crude Oil | 2019 Basis swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 60,000 |
Average swap price (in dollars per barrel) |  | 9.68 |
Fair value assets (liabilities) | $ |  | $ 86 |
ICE Brent-NYMEX WTI | Subsequent Event | Crude Oil | 2019 Basis swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 60,000 |  |
Average swap price (in dollars per barrel) |  |  | 9.68
Midland-NYMEX WTI | Crude Oil | 2019 Basis swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 120,000 |
Average swap price (in dollars per barrel) |  | 6.71 |
Fair value assets (liabilities) | $ |  | $ (740) |
Midland-NYMEX WTI | Subsequent Event | Crude Oil | 2019 Basis swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 120,000 |  |
Average swap price (in dollars per barrel) |  |  | 6.71
Houston NYMEX WTI | Crude Oil | 2019 Basis swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl |  | 366,000 |
Average swap price (in dollars per barrel) |  | 4.55 |
Fair value assets (liabilities) | $ |  | $ 90 |
Houston NYMEX WTI | Subsequent Event | Crude Oil | 2019 Basis swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of oil (in Bbls) | bbl | 366,000 |  |
Average swap price (in dollars per barrel) |  |  | 4.55
NYMEX HH | Natural Gas | 2019 Fixed price swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of natural gas (in MMBtu) | MMBTU |  | 5,520,000 |
Average swap price (in dollars per barrel) |  | 2.92 |
Fair value assets (liabilities) | $ |  | $ 3,037 |
NYMEX HH | Subsequent Event | Natural Gas | 2019 Fixed price swaps |  |  |
Derivative [Line Items] |  |  |
Total notional amount of natural gas (in MMBtu) | MMBTU | 5,520,000 |  |
Average swap price (in dollars per barrel) |  |  | 2.92

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