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Long-Term Debt - The Partnership 6.0 Senior Notes Due October 2022 (Details 5) | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2014 USD ($) offering | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 04, 2015 USD ($) | Apr. 10, 2014 USD ($)
Long-Term Debt |  |  |  |  |  |
Principle amount of senior notes |  |  |  |  | $ 350,000,000.0 |
Proceeds from borrowings of long-term debt |  | $ 1,483,258,000 | $ 2,240,299,000 | $ 2,108,037,000 |  |
Amortization of debt discount |  | 1,170,000 | 12,380,000 | $ 23,407,000 |  |
Exterran Partners, L.P. |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |
Amount of unamortized discount of notes |  | 8,600,000 |  |  |  |
Partnership's 6% senior notes due 2022 | Exterran Partners, L.P. |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |
Principle amount of senior notes | $ 350,000,000.0 |  |  |  |  | $ 350,000,000.0
Proceeds from borrowings of long-term debt | 337,400,000 |  |  |  |  |
Transaction costs | 6,900,000 |  |  |  |  |
Amount of unamortized discount of notes | $ 5,700,000 | 4,700,000 | 5,200,000 |  |  |
Effective interest rate (as a percent) | 6.25% |  |  |  |  |
Amortization of debt discount |  | $ 600,000 | $ 500,000 |  |  |
Partnership's 6% senior notes due 2022 | Twelve month period prior to April 1, 2017 | Exterran Partners, L.P. |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |
Maximum percentage of the aggregate principal amount of debt instruments that may be redeemed | 35.00% |  |  |  |  |
Number of equity offerings | offering | 1 |  |  |  |  |
Redemption price as percentage of principal amount | 106.00% |  |  |  |  |
Minimum notes remaining outstanding if notes redeemed prior to 2017 (as a percent) | 65.00% |  |  |  |  |
Maximum number of days within which the entity may redeem a percentage of the note following the date of the closing of equity offering | 180 days |  |  |  |  |
Partnership's 6% senior notes due 2022 | Twelve month period beginning April 1, 2018 | Exterran Partners, L.P. |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |
Redemption price as percentage of principal amount | 103.00% |  |  |  |  |
Partnership's 6% senior notes due 2022 | Twelve month period beginning April 1, 2019 | Exterran Partners, L.P. |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |
Redemption price as percentage of principal amount | 101.50% |  |  |  |  |
Partnership's 6% senior notes due 2022 | Beginning April 1, 2020 and thereafter | Exterran Partners, L.P. |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |
Redemption price as percentage of principal amount | 100.00% |  |  |  |  |

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