Annual report pursuant to Section 13 and 15(d)

Quarterly FInancial Data (unaudited) (Details)

v2.4.1.9
Quarterly FInancial Data (unaudited) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 10 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Nov. 10, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Selected Quarterly Financial Information [Abstract]                        
Total operating revenues $ 40,768us-gaap_OilAndGasRevenue $ 26,282us-gaap_OilAndGasRevenue $ 16,923us-gaap_OilAndGasRevenue $ 11,773us-gaap_OilAndGasRevenue $ 9,733us-gaap_OilAndGasRevenue $ 7,138us-gaap_OilAndGasRevenue $ 3,539us-gaap_OilAndGasRevenue $ 1,953us-gaap_OilAndGasRevenue        
Total operating expenses 27,567us-gaap_OperatingExpenses 19,270us-gaap_OperatingExpenses 16,632us-gaap_OperatingExpenses 10,825us-gaap_OperatingExpenses 23,539us-gaap_OperatingExpenses 5,726us-gaap_OperatingExpenses 4,300us-gaap_OperatingExpenses 2,984us-gaap_OperatingExpenses   74,294us-gaap_OperatingExpenses 36,549us-gaap_OperatingExpenses 5,225us-gaap_OperatingExpenses
Operating income (loss) 13,201us-gaap_OperatingIncomeLoss 7,012us-gaap_OperatingIncomeLoss 291us-gaap_OperatingIncomeLoss 948us-gaap_OperatingIncomeLoss (13,806)us-gaap_OperatingIncomeLoss 1,412us-gaap_OperatingIncomeLoss (761)us-gaap_OperatingIncomeLoss (1,031)us-gaap_OperatingIncomeLoss   21,452us-gaap_OperatingIncomeLoss (14,186)us-gaap_OperatingIncomeLoss (4,578)us-gaap_OperatingIncomeLoss
Net income (loss) $ 11,714us-gaap_NetIncomeLossAllocatedToLimitedPartners $ 5,079us-gaap_NetIncomeLossAllocatedToLimitedPartners $ (735)us-gaap_NetIncomeLossAllocatedToLimitedPartners $ 774us-gaap_NetIncomeLossAllocatedToLimitedPartners $ (13,846)us-gaap_NetIncomeLossAllocatedToLimitedPartners $ 1,369us-gaap_NetIncomeLossAllocatedToLimitedPartners $ (805)us-gaap_NetIncomeLossAllocatedToLimitedPartners $ (1,050)us-gaap_NetIncomeLossAllocatedToLimitedPartners $ 9,410us-gaap_NetIncomeLossAllocatedToLimitedPartners $ 16,832us-gaap_NetIncomeLossAllocatedToLimitedPartners $ (14,332)us-gaap_NetIncomeLossAllocatedToLimitedPartners $ (4,586)us-gaap_NetIncomeLossAllocatedToLimitedPartners