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Basis of Presentation and Summary of Significant Accounting Policies (Details 2) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Summary of income (loss) attributable to Exterran stockholders    
Income from continuing operations attributable to Exterran stockholders $ 16,955 $ 6,657
Income (loss) from discontinued operations, net of tax 33,250 (1,162)
Net income attributable to Exterran stockholders 50,205 5,495
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 65,291 64,515
Net dilutive potential common shares issuable:    
On exercise of options and vesting of restricted stock units (in shares) 517 54
On settlement of employee stock purchase plan shares (in shares) 2 27
Weighted average common shares outstanding - used in diluted income (loss) per common share 65,810 64,596
Adjustments to net income (loss) attributable to Exterran stockholders for the diluted earnings (loss) per share calculation $ 0 $ 0
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable    
Net dilutive potential common shares issuable 29,170 33,384
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 926 2,510
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
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
Interest rate (as a percent) 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 484 3,114
Interest rate (as a percent) 4.75% 4.75%