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Spin-off Transaction Spin-off Transactions (Details) | Oct. 27, 2015 | Oct. 05, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jul. 10, 2015 USD ($)
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Line of Credit Facility [Line Items] |  |  |  |
Maximum amount to be received from sale of nationalized assets |  |  | $ 150,000,000.0 |
EESLP |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Receivable payment following qualified capital raise |  |  | 25,000,000.0 |
EESLP |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Qualified capital raise from unsecured debt offerings or equity issuances |  |  | $ 250,000,000.0 |
Subsequent Events |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Number of shares of Exterran Corporation common stock received per common stock held | 0.5 |  |  |
Exterran Corporation Credit Agreement | Subsequent Events | Exterran Corporation |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Revolving credit facility borrowing capacity |  | $ 925,000,000.0 |  |
Term Loan Facility | Exterran Corporation Credit Agreement | Subsequent Events | Exterran Corporation |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Revolving credit facility borrowing capacity |  | 245,000,000.0 |  |
Revolving Credit Facility | Archrock Credit Agreement |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Revolving credit facility borrowing capacity |  |  |  | $ 300,000,000.0
Revolving Credit Facility | Archrock Credit Agreement | Subsequent Events |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Revolving credit facility borrowing capacity |  | 350,000,000.0 |  |
Revolving Credit Facility | Exterran Corporation Credit Agreement | Exterran Corporation |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Revolving credit facility borrowing capacity |  |  |  | $ 750,000,000.0
Revolving Credit Facility | Exterran Corporation Credit Agreement | Subsequent Events | Exterran Corporation |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Revolving credit facility borrowing capacity |  | $ 680,000,000.0 |  |

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