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v3.5.0.2

Subsequent Events (Details) |  |  |  | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 19, 2016 USD ($) $ / shares shares | Oct. 14, 2016 USD ($) | Oct. 06, 2016 USD ($) | Oct. 31, 2016 MMBTU $ / MMBTU | Oct. 18, 2016 shares | Sep. 30, 2016 shares | Sep. 30, 2015 shares | Dec. 31, 2014 | Aug. 18, 2014 USD ($)
Senior Notes |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, amount | $ |  |  |  |  |  |  |  |  | $ 600,000,000
Stated interest rate, percent |  |  |  |  |  |  |  |  | 7.75%
6.000% Senior Notes due 2024 | Senior Notes | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, amount | $ |  | $ 650,000,000 |  |  |  |  |  |  |
Stated interest rate, percent |  | 6.00% |  |  |  |  |  |  |
Proceeds from issuance of Senior Notes | $ |  | $ 640,000,000 |  |  |  |  |  |  |
7.75% Senior Notes due 2020 | Senior Notes | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Amount validly tendered | $ |  |  | $ 403,500,000 |  |  |  |  |  |
Note repurchase offer, conversion ratio |  |  | 1.042 |  |  |  |  |  |
Redemption payment, amount of principal | $ |  |  | $ 196,500,000 |  |  |  |  |  |
Percentage of redemption price |  |  | 103.875% |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Stock issued in underwritten public offering (in shares) |  |  |  |  |  | 16,905,000 | 22,425,000 |  |
Mammoth Energy Partners LP | Common Stock | IPO | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Stock issued in underwritten public offering (in shares) | 7,750,000 |  |  |  |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares | $ 15.00 |  |  |  |  |  |  |  |
Mammoth Energy Partners LP |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Approximate ownership % |  |  |  |  |  | 30.50% |  | 30.50% |
Mammoth Energy Partners LP | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Approximate ownership % | 24.20% |  |  |  | 30.50% |  |  |  |
Mammoth Energy Partners LP | Common Stock | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Shares received from equity method investee in exchange for ownership interest |  |  |  |  | 9,150,000 |  |  |  |
Mammoth Energy Partners LP | Common Stock | IPO | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Number of shares sold by Mammoth Energy | 7,500,000 |  |  |  |  |  |  |  |
Number of shares sold by certain selling stockholders | 250,000 |  |  |  |  |  |  |  |
Equity method investment, shares sold | 76,250 |  |  |  |  |  |  |  |
Proceeds from sale of equity investment interest | $ | $ 1,100,000 |  |  |  |  |  |  |  |
Mammoth Energy Partners LP | Common Stock | Over-Allotment Option | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Number of additional shares potentially to be sold by certain selling stockholders | 1,162,500 |  |  |  |  |  |  |  |
Equity method investment, additional shares potentially to be sold | 354,563 |  |  |  |  |  |  |  |
NYMEX Henry Hub | Call Option | Short | Fixed price swap, January 2017 through June 2017 [Member] | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Non-monetary notional amount | MMBTU |  |  |  | 20,000 |  |  |  |  |
Weighted average price (in usd per MMBtu) | $ / MMBTU |  |  |  | 3.19 |  |  |  |  |
NYMEX Henry Hub | Call Option | Short | Fixed price swap, July 2017 through October 2017 | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Non-monetary notional amount | MMBTU |  |  |  | 40,000 |  |  |  |  |
Weighted average price (in usd per MMBtu) | $ / MMBTU |  |  |  | 3.15 |  |  |  |  |
NYMEX Henry Hub | Call Option | Short | Fixed price swap, November 2017 through December 2017 | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Non-monetary notional amount | MMBTU |  |  |  | 70,000 |  |  |  |  |
Weighted average price (in usd per MMBtu) | $ / MMBTU |  |  |  | 3.25 |  |  |  |  |
NYMEX Henry Hub | Call Option | Short | Fixed price swap, January 2018 through March 2018 | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Non-monetary notional amount | MMBTU |  |  |  | 70,000 |  |  |  |  |
Weighted average price (in usd per MMBtu) | $ / MMBTU |  |  |  | 3.19 |  |  |  |  |
NYMEX Henry Hub | Call Option | Short | Fixed price swap, April 2018 through December 2018 | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Non-monetary notional amount | MMBTU |  |  |  | 20,000 |  |  |  |  |
Weighted average price (in usd per MMBtu) | $ / MMBTU |  |  |  | 2.97 |  |  |  |  |

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