Hedging Program and Derivatives (Details) $ in Thousands	6 Months Ended
Jun. 30, 2017 USD ($) bbl MMBTU $ / bbl $ / MMBTU	Dec. 31, 2016 USD ($)
Impact of derivative contracts on balance sheet [Abstract]
Derivative asset - current	$ 4,508	$ 54
Derivative asset - long-term	2,269	0
Derivative Assets	6,777	54
Derivative liability - current	105	2,382
Derivative liability - long-term	423	6,630
Derivative Liabilities	$ 528	9,012
Fixed Swap [Member] \| Oil - WTI [Member] \| 2017
Oil and Gas Delivery Commitments and Contracts [Line Items]
Daily Volume (Bbl) \| bbl	2,474
Fixed price swap price \| $ / bbl	54.48
Fixed Swap [Member] \| Oil - WTI [Member] \| 2018
Oil and Gas Delivery Commitments and Contracts [Line Items]
Daily Volume (Bbl) \| bbl	1,960
Fixed price swap price \| $ / bbl	48.02
Fixed Swap [Member] \| Oil - WTI [Member] \| 2019
Oil and Gas Delivery Commitments and Contracts [Line Items]
Daily Volume (Bbl) \| bbl	1,200
Fixed price swap price \| $ / bbl	54.54
Basis Swap [Member] \| Oil - WTI [Member] \| 2017
Oil and Gas Delivery Commitments and Contracts [Line Items]
Daily Volume (Bbl) \| bbl	500
Fixed price swap price \| $ / bbl	0.65
Collars [Member] \| Natural Gas [Member] \| 2017
Oil and Gas Delivery Commitments and Contracts [Line Items]
Daily volume (Mmbtu) \| MMBTU	5,000
Floor (Long Put) \| $ / MMBTU	3.00
Ceiling (Short Call) \| $ / MMBTU	3.90
Derivative Asset - Current [Member] \| Commodity Price Derivatives [Member]
Impact of derivative contracts on balance sheet [Abstract]
Derivative asset - current	$ 4,508	54
Derivative Asset - Long-Term [Member] \| Commodity Price Derivatives [Member]
Impact of derivative contracts on balance sheet [Abstract]
Derivative asset - long-term	2,269	0
Derivative Liability - Current [Member] \| Commodity Price Derivatives [Member]
Impact of derivative contracts on balance sheet [Abstract]
Derivative liability - current	105	2,382
Derivative Liability - Long-Term [Member] \| Commodity Price Derivatives [Member]
Impact of derivative contracts on balance sheet [Abstract]
Derivative liability - long-term	$ 423	$ 6,630

-- None. No documentation exists for this element. --

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