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TRANSACTIONS RELATED TO THE PARTNERSHIP (Details) (USD $) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2012 | May 31, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Mar. 31, 2012 Exterran Partners, L.P. customer hp MMcfperDay item | Jun. 30, 2011 Exterran Partners, L.P. hp MMcfperDay item customer | May 31, 2011 Exterran Partners, L.P. | Mar. 31, 2011 Exterran Partners, L.P.
Transactions related to the partnership |  |  |  |  |  |  |  |  |  |
Number of partnership customers with service agreements |  |  |  |  |  |  | 39 | 34 |  |
Number of compressor units used to provide compression services |  |  |  |  |  |  | 406 | 407 |  |
Horsepower of compressor units used to provide compression services |  |  |  |  |  |  | 188,000 | 289,000 |  |
Percentage of available horsepower of combined U.S. contract operations business from service agreements sold to the partnership |  |  |  |  |  |  | 5.00% | 8.00% |  |
Compressor units sold |  |  |  |  |  |  | 139 | 207 |  |
Horsepower of compressor units sold |  |  |  |  |  |  | 75,000 | 98,000 |  |
Capacity of natural gas processing plant sold (MMcf per day) |  |  |  |  |  |  | 10 | 8 |  |
Consideration received for sale of assets |  |  |  |  |  |  | $ 182,800,000 | $ 223,000,000 |  |
Debt assumed by the partnership as part of the consideration for the sale of assets |  |  |  |  |  |  | 105,400,000 | 159,400,000 |  |
Cash received from the partnership as part of the consideration for the sale of assets |  |  |  |  |  |  | 77,400,000 | 62,200,000 |  |
Sale of common units |  |  |  |  |  |  | 4,965,000 |  | 5,134,175 | 5,914,466
Common units to cover over-allotments |  |  |  |  |  |  | 465,000 |  | 134,175 | 664,466
Net proceeds from the sale of Partnership units |  |  |  |  | 114,530,000 | 289,908,000 | 114,500,000 |  | 127,700,000 | 162,200,000
Borrowings outstanding under revolving credit facility |  |  |  |  |  |  |  |  | 64,800,000 |
Approximate general partner interest in limited partnership (as a percent) | 2.00% | 2.00% |  |  |  |  |  |  |  |
Schedule of changes in net income and ownership interest |  |  |  |  |  |  |  |  |  |
Net loss attributable to Exterran stockholders |  |  | (152,608,000) | (28,026,000) | (147,113,000) | (58,056,000) |  |  |  |
Increase in Exterran stockholders additional paid in capital for sale of Partnership units |  |  |  |  | 49,202,000 | 123,681,000 |  |  |  |
Change from net loss attributable to Exterran stockholders and transfers to the noncontrolling interest |  |  |  |  | $ (97,911,000) | $ 65,625,000 |  |  |  |
General partner units acquired to maintain ownership percentage | 101,000 | 53,000 |  |  |  |  |  |  |  |

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