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Derivative Instruments - Schedule of Outstanding Commodity Derivative Instruments (Details) $ in Thousands | Jun. 30, 2016 USD ($) MBbls $ / bbl
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Derivative [Line Items] |
Fair value asset (liability) | $ | $ (24,788)
2016 Swaps [Member] |
Derivative [Line Items] |
Total notional amount of oil (in MBbls) | MBbls | 5,886
Average swap price (in dollars per barrel) | 49.64
Fair value asset (liability) | $ | $ 1,157
2017 Swaps [Member] |
Derivative [Line Items] |
Total notional amount of oil (in MBbls) | MBbls | 4,694
Average swap price (in dollars per barrel) | 47.79
Fair value asset (liability) | $ | $ (18,429)
2017 Two Way Collars [Member] |
Derivative [Line Items] |
Total notional amount of oil (in MBbls) | MBbls | 668
Average floor price (in dollars per barrel) | 40.00
Average ceiling price (in dollars per barrel) | 47.58
Fair value asset (liability) | $ | $ (4,427)
2017 Three Way Collars [Member] |
Derivative [Line Items] |
Total notional amount of oil (in MBbls) | MBbls | 1,336
Average sub-floor price (in dollars per barrel) | 30.00
Average floor price (in dollars per barrel) | 45.00
Average ceiling price (in dollars per barrel) | 59.39
Fair value asset (liability) | $ | $ (923)
2018 Swaps [Member] |
Derivative [Line Items] |
Total notional amount of oil (in MBbls) | MBbls | 310
Average swap price (in dollars per barrel) | 47.68
Fair value asset (liability) | $ | $ (1,519)
2018 Two Way Collars [Member] |
Derivative [Line Items] |
Total notional amount of oil (in MBbls) | MBbls | 62
Average floor price (in dollars per barrel) | 40.00
Average ceiling price (in dollars per barrel) | 47.58
Fair value asset (liability) | $ | $ (453)
2018 Three Way Collars [Member] |
Derivative [Line Items] |
Total notional amount of oil (in MBbls) | MBbls | 124
Average sub-floor price (in dollars per barrel) | 30.00
Average floor price (in dollars per barrel) | 45.00
Average ceiling price (in dollars per barrel) | 59.39
Fair value asset (liability) | $ | $ (194)

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