Annual report pursuant to Section 13 and 15(d)

Derivative Instruments (Schedule Of Derivative Instruments) (Details)

v3.3.1.900
Derivative Instruments (Schedule Of Derivative Instruments) (Details)
Dec. 31, 2015
MMBTU / d
$ / MMBTU
January 2016 - March 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 415,000
Weighted Average Price | $ / MMBTU 3.56
April 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 425,000
Weighted Average Price | $ / MMBTU 3.52
May 2016 - June 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 355,000
Weighted Average Price | $ / MMBTU 3.42
July 2016 - September 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 375,000
Weighted Average Price | $ / MMBTU 3.38
October 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 405,000
Weighted Average Price | $ / MMBTU 3.33
November 2016 - December 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 430,000
Weighted Average Price | $ / MMBTU 3.30
January 2017 - March 2017  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 317,500
Weighted Average Price | $ / MMBTU 3.25
April 2017 - June 2017  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 272,500
Weighted Average Price | $ / MMBTU 3.31
July 2017 - December 2017  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 210,000
Weighted Average Price | $ / MMBTU 3.12
January 2018 - December 2018  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 160,000
Weighted Average Price | $ / MMBTU 3.01
January 2019 - March 2019  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 20,000
Weighted Average Price | $ / MMBTU 3.37
ARGUS LLS | January 2016 - June 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 1,500
Weighted Average Price | $ / MMBTU 63.03
NYMEX WTI | January 2016 - June 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 1,000
Weighted Average Price | $ / MMBTU 61.40
Mont Belvieu | January 2016 - December 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 1,000
Weighted Average Price | $ / MMBTU 20.16
NYMEX Henry Hub | Call Option | Short | January 2016 - March 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 75,000
Weighted Average Price | $ / MMBTU 3.25
NYMEX Henry Hub | Call Option | Short | January 2017 - March 2017  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 20,000
Weighted Average Price | $ / MMBTU 2.91
NYMEX Henry Hub | Call Option | Short | April 2016 - December 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 95,000
Weighted Average Price | $ / MMBTU 3.18
Swap | January 2016 - March 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 70,000
Weighted Average Price | $ / MMBTU 0.11
Swap | April 2016 - December 2016  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 40,000
Weighted Average Price | $ / MMBTU 0.02
Swap | November 2016 - March 2017  
Derivative [Line Items]  
Daily Volume (MMBtu/day) | MMBTU / d 50,000
Weighted Average Price | $ / MMBTU 0.59