Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Schedule Of Derivative Instruments) (Details)

v3.5.0.2
Derivative Instruments (Schedule Of Derivative Instruments) (Details)
Sep. 30, 2016
bbl / d
MMBTU / d
$ / bbl
$ / MMBTU
October 2016 - June 2017 | ARGUS LLS  
Derivative [Line Items]  
Daily Volume | bbl / d 2,000
Weighted average price (in usd per MMBtu) | $ / bbl 51.10
October 2016 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 570,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.05
November 2016 - December 2016 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 525,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.18
January 2017 - February 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 442,500
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.14
March 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 422,500
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.13
April 2017 - June 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 367,500
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.15
July 2017 - October 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 305,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 2.99
November 2017 - December 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 435,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.06
January 2018 - March 2018 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 290,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.10
April 2018 - December 2018 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 160,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.01
January 2019 - March 2019 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 20,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.37
October 2016 - December 2016 | Mont Belvieu  
Derivative [Line Items]  
Daily Volume | bbl / d 1,500
Weighted average price (in usd per MMBtu) | $ / bbl 19.95
Short | Call Option | January 2018 - March 2018 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 20,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 2.91
Short | Call Option | January 2017 - March 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 105,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.27
Short | Call Option | April 2017 - December 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume | MMBTU / d 125,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 3.21
Swap | October 2016 - December 2016 | MichCon  
Derivative [Line Items]  
Daily Volume | MMBTU / d 40,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 0.02
Swap | November 2016 - March 2017 | Tetco M2  
Derivative [Line Items]  
Daily Volume | MMBTU / d 50,000
Weighted average price (in usd per MMBtu) | $ / MMBTU 0.59