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Basis of Presentation and Summary of Significant Accounting Policies (Details 2) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Summary of income (loss) attributable to Exterran stockholders        
Income (loss) from continuing operations attributable to Exterran stockholders $ 23,466 $ 2,450 $ 51,331 $ (100,610)
Income from discontinued operations, net of tax 17,511 110,916 49,186 66,863
Net income (loss) attributable to Exterran stockholders 40,977 113,366 100,517 (33,747)
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 65,780 64,847 66,218 63,384
Net dilutive potential common shares issuable:        
On exercise of options and vesting of restricted stock and restricted stock units (in shares) 565 239 537  
On settlement of employee stock purchase plan shares 2 8 2  
Weighted average common shares outstanding - used in diluted income (loss) per common share 66,347 65,094 66,757 63,384
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 28,441 32,219 28,703 34,353
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 681 1,345 783 2,042
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       1,426
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       11
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   3,114 160 3,114
Interest rate (as a percent) 4.75% 4.75% 4.75% 4.75%