|
Equity Investments (Narrative) (Details) (USD $)
|
3 Months Ended | 9 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 0 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Dec. 31, 2013
|
Sep. 30, 2014
Apico Llc [Member]
acre
|
Sep. 30, 2014
Tatex Thailand II, LLC [Member]
|
Sep. 30, 2013
Tatex Thailand II, LLC [Member]
|
Sep. 30, 2014
Tatex Thailand II, LLC [Member]
|
Sep. 30, 2013
Tatex Thailand II, LLC [Member]
|
Dec. 31, 2013
Tatex Thailand II, LLC [Member]
|
Sep. 30, 2014
Tatex Thailand III, LLC [Member]
|
Sep. 30, 2013
Tatex Thailand III, LLC [Member]
|
Sep. 30, 2014
Tatex Thailand III, LLC [Member]
acre
|
Sep. 30, 2013
Tatex Thailand III, LLC [Member]
|
Dec. 31, 2013
Tatex Thailand III, LLC [Member]
|
Sep. 30, 2014
Grizzly Oil Sands ULC [Member]
|
Sep. 30, 2013
Grizzly Oil Sands ULC [Member]
|
Sep. 30, 2014
Grizzly Oil Sands ULC [Member]
acre
|
Sep. 30, 2013
Grizzly Oil Sands ULC [Member]
|
Dec. 31, 2013
Grizzly Oil Sands ULC [Member]
|
Sep. 30, 2014
Bison Drilling And Field Services LLC [Member]
|
Sep. 30, 2013
Bison Drilling And Field Services LLC [Member]
|
Sep. 30, 2014
Bison Drilling And Field Services LLC [Member]
|
Sep. 30, 2013
Bison Drilling And Field Services LLC [Member]
|
Dec. 31, 2013
Bison Drilling And Field Services LLC [Member]
|
Sep. 30, 2014
Muskie Holdings LLC [Member]
|
Sep. 30, 2013
Muskie Holdings LLC [Member]
|
Sep. 30, 2014
Muskie Holdings LLC [Member]
|
Sep. 30, 2013
Muskie Holdings LLC [Member]
|
Dec. 31, 2013
Muskie Holdings LLC [Member]
|
Jul. 01, 2013
Muskie Holdings LLC [Member]
|
Jul. 01, 2013
Muskie Holdings LLC [Member]
Prime Rate [Member]
|
Sep. 30, 2014
Timber Wolf Terminals LLC [Member]
|
Sep. 30, 2013
Timber Wolf Terminals LLC [Member]
|
Sep. 30, 2014
Timber Wolf Terminals LLC [Member]
|
Sep. 30, 2013
Timber Wolf Terminals LLC [Member]
|
Dec. 31, 2012
Timber Wolf Terminals LLC [Member]
|
Dec. 31, 2013
Timber Wolf Terminals LLC [Member]
|
Sep. 30, 2014
Windsor Midstream LLC [Member]
|
Sep. 30, 2013
Windsor Midstream LLC [Member]
|
Sep. 30, 2014
Windsor Midstream LLC [Member]
|
Sep. 30, 2013
Windsor Midstream LLC [Member]
|
Dec. 31, 2013
Windsor Midstream LLC [Member]
|
Sep. 30, 2014
Windsor Midstream LLC [Member]
MidMar Gas LLC [Member]
|
Sep. 30, 2014
Stingray Pressure Pumping LLC [Member]
|
Sep. 30, 2013
Stingray Pressure Pumping LLC [Member]
|
Sep. 30, 2014
Stingray Pressure Pumping LLC [Member]
|
Sep. 30, 2013
Stingray Pressure Pumping LLC [Member]
|
Dec. 31, 2013
Stingray Pressure Pumping LLC [Member]
|
Sep. 30, 2014
Blackhawk Midstream LLC [Member]
|
Sep. 30, 2013
Blackhawk Midstream LLC [Member]
|
Sep. 30, 2014
Blackhawk Midstream LLC [Member]
|
Sep. 30, 2013
Blackhawk Midstream LLC [Member]
|
Dec. 31, 2013
Blackhawk Midstream LLC [Member]
|
Jan. 28, 2014
Blackhawk Midstream LLC [Member]
Ohio Gathering Company, LLC and Ohio Condensate Company, LLC [Member]
|
Sep. 30, 2014
Diamondback Energy, Inc [Member]
|
Jun. 30, 2014
Diamondback Energy, Inc [Member]
|
Nov. 30, 2013
Diamondback Energy, Inc [Member]
|
Jun. 30, 2013
Diamondback Energy, Inc [Member]
|
Sep. 30, 2014
Diamondback Energy, Inc [Member]
|
Sep. 30, 2013
Diamondback Energy, Inc [Member]
|
Nov. 30, 2013
Diamondback Energy, Inc [Member]
|
Sep. 30, 2014
Diamondback Energy, Inc [Member]
|
Sep. 30, 2013
Diamondback Energy, Inc [Member]
|
Dec. 31, 2013
Diamondback Energy, Inc [Member]
|
Oct. 11, 2012
Diamondback Energy, Inc [Member]
|
Sep. 30, 2014
Stingray Energy Services LLC [Member]
|
Sep. 30, 2013
Stingray Energy Services LLC [Member]
|
Sep. 30, 2014
Stingray Energy Services LLC [Member]
|
Sep. 30, 2013
Stingray Energy Services LLC [Member]
|
Dec. 31, 2013
Stingray Energy Services LLC [Member]
|
Sep. 30, 2014
Sturgeon Acquisitions LLC [Member]
|
Sep. 30, 2013
Sturgeon Acquisitions LLC [Member]
|
Sep. 30, 2014
Sturgeon Acquisitions LLC [Member]
|
Sep. 30, 2013
Sturgeon Acquisitions LLC [Member]
|
Dec. 31, 2013
Sturgeon Acquisitions LLC [Member]
|
|
| Schedule of Equity Method Investments [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity shares owned by affiliate (shares) | 85,122 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total shares owned of subaffiliate (shares) | 1,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gas and oil area, reserve (acres) | 243,000 | 245,000 | 830,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| (Income) loss from equity method investments | $ 34,477,000 | $ (51,322,000) | $ (163,567,000) | $ (162,640,000) | $ (475,000) | $ (170,000) | $ (475,000) | $ (375,000) | $ 47,000 | $ 64,000 | $ 217,000 | $ 157,000 | $ 4,633,000 | $ 862,000 | $ 8,862,000 | $ 2,125,000 | $ (1,273,000) | $ 1,258,000 | $ 331,000 | $ 1,281,000 | $ 55,000 | $ 53,000 | $ 488,000 | $ 869,000 | $ 7,000 | $ 0 | $ 7,000 | $ 8,000 | $ (301,000) | $ (14,000) | $ (504,000) | $ (872,000) | $ (351,000) | $ (293,000) | $ 1,792,000 | $ (677,000) | $ 0 | $ 174,000 | $ (84,787,000) | $ 296,000 | $ 32,412,000 | $ (52,945,000) | $ (89,300,000) | $ (165,402,000) | $ (9,000) | $ (202,000) | $ 26,000 | $ (64,000) | $ 0 | $ 0 | $ 0 | $ 0 | |||||||||||||||||||||||||
| Cash calls paid | 1,600,000 | 16,600,000 | 17,000,000 | 1,000,000 | 2,400,000 | 2,500,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Purchase price of sold equity interests | 190,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Increase (decrease) due to foreign currency translation adjustment | (9,500,000) | 3,900,000 | (10,000,000) | (5,800,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loan receivable | 900,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans receivable, basis spread on variable rate | 2.50% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Payments for equity method investments | 61,750,000 | 34,936,000 | 1,000,000 | 2,900,000 | 20,700,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ownership interest | 23.50% | 23.50% | 17.90% | 17.90% | 24.9999% | 24.9999% | 40.00% | 40.00% | 25.00% | 25.00% | 50.00% | 50.00% | 22.50% | 22.50% | 28.40% | 50.00% | 50.00% | 50.00% | 50.00% | 1.70% | 1.70% | 1.70% | 50.00% | 50.00% | 25.00% | 25.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Amount put in escrow | 14,300,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distributions received | 476,000 | 203,000 | 84,800,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment (shares) | 942,000 | 942,000 | 942,000 | 7,914,036 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity investments and investments in subsidiaries | 373,215,000 | 373,215,000 | 440,068,000 | 12,190,000 | 12,190,000 | 10,774,000 | 189,182,000 | 189,182,000 | 191,473,000 | 28,950,000 | 28,950,000 | 12,318,000 | 8,056,000 | 8,056,000 | 7,544,000 | 995,000 | 995,000 | 1,001,000 | 13,531,000 | 13,531,000 | 10,632,000 | 20,040,000 | 20,040,000 | 19,624,000 | 0 | 0 | 0 | 70,443,000 | 70,443,000 | 70,443,000 | 178,708,000 | 138,500,000 | 4,854,000 | 4,854,000 | 3,800,000 | 20,688,000 | 20,688,000 | 0 | |||||||||||||||||||||||||||||||||||||||
| Number of shares issued in transaction (shares) | 1,437,500 | 1,000,000 | 2,300,000 | 2,234,536 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Proceeds received from sale of stock | $ 197,600,000 | $ 197,600,000 | $ 192,700,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share price (usd per share) | $ 74.78 | $ 74.78 | $ 74.78 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||