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Long-Term Debt - The Partnership Asset-Based Revolving Credit Facility (Details) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Mar. 31, 2016 USD ($) | Jun. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 USD ($) | May 02, 2016 USD ($) | Feb. 28, 2015 USD ($)
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Long-term debt |  | $ 1,436,357,000 |  |  |  |  |  | $ 1,441,724,000 |  |
Repayments of long-term debt |  | 817,000,000 | $ 81,000,000 |  |  |  |  |  |  |
Debt finance cost | $ 600,000 |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt | 300,000 |  |  |  |  |  |  |  |  |
Line of credit facility aggregate maximum borrowing capacity increase | 250,000,000 |  |  |  |  |  |  |  |  |
Partnership’s term loan facility due May 2018 | Exterran Partners, L.P. |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Long-term debt |  | $ 0 |  |  |  |  |  | 149,647,000 |  | $ 150,000,000.0
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt | 648,400,000 |  |  |  |  |  |  |  |  |
Line of credit facility aggregate maximum borrowing capacity increase | $ (25,000,000) |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Commitment fee (percentage) |  | 0.375% |  |  |  |  |  |  |  |
Revolving Credit Facility | Maximum |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Commitment fee (percentage) |  | 0.50% |  |  |  |  |  |  |  |
Revolving Credit Facility | Exterran Partners, L.P. |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Debt repayment threshold |  | $ 50,000,000.0 |  |  |  |  |  |  |  |
Total interest to EBITDA covenant |  | 2.5 |  |  |  |  |  |  |  |
Undrawn capacity under revolving credit facility |  | $ 437,000,000 |  |  |  |  |  |  |  |
Revolving Credit Facility | Exterran Partners, L.P. | Maximum |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Maximum senior secured debt to Adjusted EBITDA |  | 3.50 |  |  |  |  |  |  |  |
Undrawn capacity under revolving credit facility |  | $ 293,200,000 |  |  |  |  |  |  |  |
Revolving Credit Facility | Exterran Partners, L.P. | Maximum | Forecast |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Total Debt to EBITDA ratio |  |  |  | 5.50 | 5.25 | 5.75 | 5.95 |  |  |
Revolving Credit Facility | Exterran Partners, L.P. | Maximum | Forecast | Conditional Event |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Total Debt to EBITDA ratio |  |  |  |  | 5.5 |  |  |  |  |
Revolving Credit Facility | Partnership’s revolving credit facility due March 2022 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Line of credit facility, contract term ( in years) | 5 years |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing capacity | $ 1,100,000,000.0 |  |  |  |  |  |  |  |  |
Debt issuance cost | 15,000,000 |  |  |  |  |  |  |  |  |
Long-term debt |  | 663,000,000 |  |  |  |  |  | 0 |  |
Revolving Credit Facility | Partnership’s revolving credit facility due May 2018 | Exterran Partners, L.P. |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Long-term debt |  | 0 |  |  |  |  |  | $ 509,500,000 | $ 825,000,000 |
Commitment fee amount |  | $ 400,000 | $ 400,000 |  |  |  |  |  |  |
Swing Line |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Line of credit facility aggregate maximum borrowing capacity increase | $ 50,000,000 |  |  |  |  |  |  |  |  |
Line of Credit | LIBOR | Minimum |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Variable rate on spread |  | 2.00% |  |  |  |  |  |  |  |
Line of Credit | LIBOR | Maximum |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Variable rate on spread |  | 3.25% |  |  |  |  |  |  |  |
Line of Credit | Base Rate |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Variable rate on spread |  | 2.25% |  |  |  |  |  |  |  |
Line of Credit | Base Rate | Minimum |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Variable rate on spread |  | 1.00% |  |  |  |  |  |  |  |
Line of Credit | Base Rate | Maximum |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Variable rate on spread |  | 2.25% |  |  |  |  |  |  |  |
Line of Credit | Federal Funds Rate |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Interest margin added to variable rate |  | 0.005 |  |  |  |  |  |  |  |
Line of Credit | 1-month LIBOR |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |
Interest margin added to variable rate |  | 0.01 |  |  |  |  |  |  |  |

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