v3.3.0.814

Derivative Financial Instruments (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($) bbl / mo MMBTU / mo $ / MMBTU $ / BBL
Summary of contracts for oil and natural gas
Fair Value of Asset (Liability)	$ 30,193
Open costless collar contracts | Oil
Summary of contracts for oil and natural gas
Fair Value of Asset (Liability)	$ 25,057
Open costless collar contracts | Oil | Open Oil Collar Contract, 20,000 Notional Amount, 80 Price Floor, 100.00 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	20,000
Price Floor | $ / BBL	80.00
Price Ceiling | $ / BBL	100
Fair Value of Asset (Liability)	$ 2,053
Open costless collar contracts | Oil | Open Oil Collar Contract, 50,000 Notional Amount, 50 Price Floor, 67.85 Price Ceiling [Member]
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	50,000
Price Floor | $ / BBL	50
Price Ceiling | $ / BBL	67.85
Fair Value of Asset (Liability)	$ 782
Open costless collar contracts | Oil | Open Oil Collar Contract, 50,000 Notional Amount, 45 Price Floor, 77.75 Price Ceiling [Member]
Summary of contracts for oil and natural gas
Calculation Period	01/01/2016 - 12/31/2016
Notional Quantity | bbl / mo	50,000
Price Floor | $ / BBL	45
Price Ceiling | $ / BBL	77.75
Fair Value of Asset (Liability)	$ 2,038
Open costless collar contracts | Oil | Open Oil Collar Contract, 40,000 Notional Amount, 45 Price Floor, 68.75 Price Ceiling [Member]
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	40,000
Price Floor | $ / BBL	45
Price Ceiling | $ / BBL	68.75
Fair Value of Asset (Liability)	$ 246
Open costless collar contracts | Oil | Open Oil Collar Contract, 20,000 Notional Amount, 80 Price Floor, 101.00 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	20,000
Price Floor | $ / BBL	80.00
Price Ceiling | $ / BBL	101
Fair Value of Asset (Liability)	$ 2,052
Open costless collar contracts | Oil | Open Oil Collar Contract, 20,000 Notional Amount, 83 Price Floor, 96.12 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	20,000
Price Floor | $ / BBL	83.00
Price Ceiling | $ / BBL	96.12
Fair Value of Asset (Liability)	$ 2,232
Open costless collar contracts | Oil | Open Oil Collar Contract, 20,000 Notional Amount, 83 Price Floor, 97.00 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	20,000
Price Floor | $ / BBL	83.00
Price Ceiling | $ / BBL	97.00
Fair Value of Asset (Liability)	$ 2,233
Open costless collar contracts | Oil | Open Oil Collar Contract, 20,000 Notional Amount, 85 Price Floor, 99.00 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	20,000
Price Floor | $ / BBL	85
Price Ceiling | $ / BBL	99
Fair Value of Asset (Liability)	$ 2,352
Open costless collar contracts | Oil | Open Oil Collar Contract, 20,000 Notional Amount, 85 Price Floor, 100.00 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	20,000
Price Floor | $ / BBL	85
Price Ceiling | $ / BBL	100
Fair Value of Asset (Liability)	$ 2,353
Open costless collar contracts | Oil | Open Oil Collar Contract, 20,000 Notional Amount, 85 Price Floor, 105.10 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | bbl / mo	20,000
Price Floor | $ / BBL	85
Price Ceiling | $ / BBL	105.10
Fair Value of Asset (Liability)	$ 2,352
Open costless collar contracts | Oil | Open Oil Collar Contract, 40,000 Notional Amount, 55 Price Floor, 68.35 Price Ceiling [Member]
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2016
Notional Quantity | bbl / mo	40,000
Price Floor | $ / BBL	55.00
Price Ceiling | $ / BBL	68.35
Fair Value of Asset (Liability)	$ 5,097
Open costless collar contracts | Oil | Open Oil Collar Contract, 40,000 Notional Amount, 43 Price Floor, 77.05 Price Ceiling [Member]
Summary of contracts for oil and natural gas
Calculation Period	01/01/2016 - 12/31/2016
Notional Quantity | bbl / mo	40,000
Price Floor | $ / BBL	43
Price Ceiling | $ / BBL	77.05
Fair Value of Asset (Liability)	$ 1,267
Open costless collar contracts | Natural Gas
Summary of contracts for oil and natural gas
Fair Value of Asset (Liability)	$ 4,606
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 150,000 Notional Amount, 2.75 Price Floor, 3.19 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 10/31/2015
Notional Quantity | MMBTU / mo	150,000
Price Floor | $ / MMBTU	2.75
Price Ceiling | $ / MMBTU	3.19
Fair Value of Asset (Liability)	$ 28
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 100,000 Notional Amount, 2.75 Price Floor, 3.05 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	100,000
Price Floor | $ / MMBTU	2.75
Price Ceiling | $ / MMBTU	3.05
Fair Value of Asset (Liability)	$ 58
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 100,000 Notional Amount, 2.75 Price Floor, 3.15 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	100,000
Price Floor | $ / MMBTU	2.75
Price Ceiling | $ / MMBTU	3.15
Fair Value of Asset (Liability)	$ 60
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 100,000 Notional Amount, 2.75 Price Floor, 3.11 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	100,000
Price Floor | $ / MMBTU	2.75
Price Ceiling | $ / MMBTU	3.11
Fair Value of Asset (Liability)	$ 59
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 300,000 Notional Amount, 2.88 Price Floor, 3.18 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	300,000
Price Floor | $ / MMBTU	2.88
Price Ceiling | $ / MMBTU	3.18
Fair Value of Asset (Liability)	$ 279
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 100,000 Notional Amount, 3.75 Price Floor, 4.36 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	100,000
Price Floor | $ / MMBTU	3.75
Price Ceiling | $ / MMBTU	4.36
Fair Value of Asset (Liability)	$ 347
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 100,000 Notional Amount, 3.75Price Floor, 4.45 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	100,000
Price Floor | $ / MMBTU	3.75
Price Ceiling | $ / MMBTU	4.45
Fair Value of Asset (Liability)	$ 347
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 100,000 Notional Amount, 3.75 Price Floor, 4.60 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	100,000
Price Floor | $ / MMBTU	3.75
Price Ceiling | $ / MMBTU	4.60
Fair Value of Asset (Liability)	$ 347
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 100,000 Notional Amount, 3.75 Price Floor, 4.65 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	100,000
Price Floor | $ / MMBTU	3.75
Price Ceiling | $ / MMBTU	4.65
Fair Value of Asset (Liability)	$ 347
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 200,000 Notional Amount, 3.75 Price Floor, 5.04 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	200,000
Price Floor | $ / MMBTU	3.75
Price Ceiling | $ / MMBTU	5.04
Fair Value of Asset (Liability)	$ 694
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 100,000 Notional Amount, 3.75 Price Floor, 5.34 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	10/01/2015 - 12/31/2015
Notional Quantity | MMBTU / mo	100,000
Price Floor | $ / MMBTU	3.75
Price Ceiling | $ / MMBTU	5.34
Fair Value of Asset (Liability)	$ 346
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 200,000 Notional Amount, 2.75 Price Floor, 3.50 Price Ceiling
Summary of contracts for oil and natural gas
Calculation Period	01/01/2016 - 12/31/2016
Notional Quantity | MMBTU / mo	200,000
Price Floor | $ / MMBTU	2.75
Price Ceiling | $ / MMBTU	3.50
Fair Value of Asset (Liability)	$ 409
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 200,000 Notional Amount, 2.75 Price Floor, 3.86 Price Ceiling [Member] [Member]
Summary of contracts for oil and natural gas
Calculation Period	01/01/2016 - 12/31/2016
Notional Quantity | MMBTU / mo	200,000
Price Floor | $ / MMBTU	2.75
Price Ceiling | $ / MMBTU	3.86
Fair Value of Asset (Liability)	$ 501
Open costless collar contracts | Natural Gas | Open Natural Gas Collar Contract, 300,000 Notional Amount, 2.75 Price Floor, 3.95 Price Ceiling [Member]
Summary of contracts for oil and natural gas
Calculation Period	01/01/2016 - 12/31/2016
Notional Quantity | MMBTU / mo	300,000
Price Floor | $ / MMBTU	2.75
Price Ceiling | $ / MMBTU	3.95
Fair Value of Asset (Liability)	$ 784

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 45



-Paragraph 5



-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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