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Subsequent Events (Details) - USD ($) |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 04, 2015 | Nov. 03, 2015 | Oct. 31, 2015 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Oct. 05, 2015 | Jul. 10, 2015
Venezuela |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Installment payments, including an annual charge, received from sale of expropriated assets |  |  |  | $ 18,900,000 | $ 18,200,000 | $ 37,600,000 | $ 54,100,000 |  |
Subsequent Events |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Spinoff transaction, cash received |  | $ 532,600,000 |  |  |  |  |  |  |
Subsequent Events | Venezuela |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Installment payments, including an annual charge, received from sale of expropriated assets |  |  | $ 19,100,000 |  |  |  |  |  |
Archrock Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing capacity |  |  |  |  |  |  |  |  | $ 300,000,000.0
Archrock Credit Agreement | Revolving Credit Facility | Subsequent Events |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing capacity |  |  |  |  |  |  |  | $ 350,000,000.0 |
Exterran Corporation Credit Agreement | Subsequent Events | Exterran Corporation |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing capacity |  |  |  |  |  |  |  | 925,000,000.0 |
Exterran Corporation Credit Agreement | Revolving Credit Facility | Exterran Corporation |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing capacity |  |  |  |  |  |  |  |  | $ 750,000,000.0
Exterran Corporation Credit Agreement | Revolving Credit Facility | Subsequent Events | Exterran Corporation |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing capacity |  |  |  |  |  |  |  | 680,000,000.0 |
Exterran Corporation Credit Agreement | Term Loan Facility | Subsequent Events | Exterran Corporation |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing capacity |  |  |  |  |  |  |  | $ 245,000,000.0 |
7.25% senior notes due December 2018 | Subsequent Events |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Interest rate (as a percent) | 7.25% |  |  |  |  |  |  |  |
Period to redeem after call date | 30 days |  |  |  |  |  |  |  |

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