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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, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Summary of net income attributable to Exterran common stockholders used in the calculation of basic and diluted income per common share        
Income (loss) from continuing operations attributable to Exterran stockholders $ (5,392) $ 10,441 $ 8,477 $ 27,130
Income (loss) from discontinued operations, net of tax 17,769 (1,106) 36,496 32,410
Less: Net income attributable to participating securities (122) (175) (803) (1,106)
Net income attributable to Exterran common stockholders 12,255 9,160 44,170 58,434
Potential shares of common stock included in computing diluted income (loss) attributable to Exterran common stockholders per common share        
Weighted average common shares outstanding including participating securities 66,826 65,716 66,579 65,498
Less: Weighted average participating securities outstanding (936) (1,232) (1,004) (1,217)
Weighted average common shares outstanding - used in basic income (loss) per common share 65,890 64,484 65,575 64,281
Net dilutive potential common shares issuable:        
On exercise of options and vesting of restricted stock units (in shares)   530 556 523
On settlement of employee stock purchase plan shares   2 1 2
On exercise of warrants     2,640  
Weighted average common shares outstanding - used in diluted income (loss) per common share 65,890 65,016 68,772 64,806
Adjustments to net income (loss) attributable to Exterran common stockholders for the diluted earnings (loss) per common 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 26,320 28,501 14,687 28,835
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 497 741 541 834
On exercise of options and vesting of restricted stock units
        
Anti-dilutive effect of the calculation of net dilutive potential shares of common stock issuable        
Net dilutive potential common shares issuable 497      
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
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 12,900 15,334 14,146 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       241
Interest rate (as a percent)   4.75%   4.75%