Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Schedule of Derivative Instruments) (Details)

v3.7.0.1
Derivative Instruments (Schedule of Derivative Instruments) (Details)
3 Months Ended
Jun. 30, 2017
bbl / d
MMBTU
$ / MMBTU
$ / bbl
Remaining 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 681,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 3.20
Remaining 2017 | ARGUS LLS  
Derivative [Line Items]  
Daily Volume (in Bbls) | bbl / d 2,000
Weighted average price (in usd per MMBtu or Bbls) | $ / bbl 53.12
Remaining 2017 | NYMEX WTI  
Derivative [Line Items]  
Daily Volume (in Bbls) | bbl / d 5,000
Weighted average price (in usd per MMBtu or Bbls) | $ / bbl 54.89
Remaining 2017 | Mont Belvieu C3  
Derivative [Line Items]  
Daily Volume (in Bbls) | bbl / d 3,000
Weighted average price (in usd per MMBtu or Bbls) | $ / bbl 26.63
Remaining 2017 | Mont Belvieu C5  
Derivative [Line Items]  
Daily Volume (in Bbls) | bbl / d 250
Weighted average price (in usd per MMBtu or Bbls) | $ / bbl 49.14
2018  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 30,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 3.36
2018 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 669,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 3.08
2018 | NYMEX WTI  
Derivative [Line Items]  
Daily Volume (in Bbls) | bbl / d 1,000
Weighted average price (in usd per MMBtu or Bbls) | $ / bbl 55.31
2019 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 57,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 3.10
Short | 2018  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 30,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 3.36
Short | Call Option | Remaining 2017 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 65,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 3.11
Short | Call Option | Remaining 2017 | NYMEX Henry Hub to NPG Mid-Continent  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 50,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 0.26
Short | Call Option | 2018 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 103,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 3.25
Short | Call Option | 2018 | NYMEX Henry Hub to NPG Mid-Continent  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 12,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 0.26
Short | Call Option | 2019 | NYMEX Henry Hub  
Derivative [Line Items]  
Daily Volume (in MMBtu) | MMBTU 35,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU 3.11