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Basis of Presentation and Summary of Significant Accounting Policies (Details 2) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Summary of income (loss) attributable to Exterran stockholders        
Income (loss) from continuing operations attributable to Exterran stockholders $ 10,910 $ (109,717) $ 27,865 $ (103,060)
Income (loss) from discontinued operations, net of tax (1,575) (42,891) 31,675 (44,053)
Net income (loss) attributable to Exterran stockholders 9,335 (152,608) 59,540 (147,113)
Potential shares of common stock included in computing diluted income (loss) attributable to Exterran stockholders per common share        
Weighted average common shares outstanding - used in basic income (loss) per common share 65,716 63,478 65,498 63,321
Net dilutive potential common shares issuable:        
On exercise of options and vesting of restricted stock and restricted stock units (in shares) 530   523  
On settlement of employee stock purchase plan shares 2   2  
Weighted average common shares outstanding - used in diluted income (loss) per common share 66,248 63,478 66,023 63,321
Adjustments to net income (loss) attributable to Exterran stockholders for the diluted earnings (loss) per share calculation $ 0 $ 0 $ 0 $ 0
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable        
Net dilutive potential common shares issuable 28,501 34,487 28,835 33,976
On exercise of options where exercise price is greater than average market value for the period
        
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable        
Net dilutive potential common shares issuable 741 2,272 834 2,391
On exercise of options and vesting of restricted stock and restricted stock units
        
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable        
Net dilutive potential common shares issuable   1,341   698
On settlement of employee stock purchase plan shares
        
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable        
Net dilutive potential common shares issuable       13
On exercise of warrants
        
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable        
Net dilutive potential common shares issuable 12,426 12,426 12,426 12,426
On conversion of 4.25% convertible senior notes due 2014
        
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable        
Net dilutive potential common shares issuable 15,334 15,334 15,334 15,334
Interest rate (as a percent) 4.25% 4.25% 4.25% 4.25%
On conversion of 4.75% convertible senior notes due 2014
        
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable        
Net dilutive potential common shares issuable   3,114 241 3,114
Interest rate (as a percent) 4.75% 4.75% 4.75% 4.75%