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Discontinued Operations - Narratives (Details) - USD ($) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 11, 2017 | Mar. 31, 2017 | Mar. 31, 2016 | Apr. 04, 2017 | Dec. 31, 2016
Discontinued Operations |  |  |  |  |
Unrecognized tax benefits |  | $ 19,600,000 |  |  | $ 9,700,000
Indemnification asset |  | 6,600,000 |  |  |
Selling, general and administrative |  | 27,553,000 | $ 34,651,000 |  |
Spinoff | Exterran Corporation |  |  |  |  |
Discontinued Operations |  |  |  |  |
Other income |  |  | 300,000 |  |
Selling, general and administrative |  |  | 600,000 |  |
Compression units acquired |  | 37,200,000 | 19,900,000 |  |
Subsequent Event |  |  |  |  |
Discontinued Operations |  |  |  |  |
Proceeds from divestiture of business | $ 25,000,000 |  |  |  |
Event III |  |  |  |  |
Discontinued Operations |  |  |  |  |
Separation and distribution agreement, receivable from sale of nationalized assets, maximum |  | 25,000,000.0 |  |  |
Exterran Corporation | Subsequent Event | Senior Notes |  |  |  |  |
Discontinued Operations |  |  |  |  |
Interest rate (as a percent) |  |  |  | 8.125% |
Long-term liabilities |  |  |  |  |
Discontinued Operations |  |  |  |  |
Unrecognized tax benefits |  | 6,600,000 |  |  |
Exterran Corporation |  |  |  |  |
Discontinued Operations |  |  |  |  |
Proceeds from sale of expropriated assets installment payment |  | 19,700,000 | $ 5,200,000 |  |
Scheduled installment payments |  | $ 20,900,000 |  |  |

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