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Long-Term Debt (Details 2) (USD $) | 9 Months Ended | 1 Months Ended |  |  | 1 Months Ended |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  | 1 Months Ended | 3 Months Ended |  | 1 Months Ended |
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Sep. 30, 2014 | Sep. 30, 2013 | Mar. 31, 2013 Partnership's 6% senior notes due 2021 Exterran Partners, L.P. | Sep. 30, 2014 Partnership's 6% senior notes due 2021 Exterran Partners, L.P. | Dec. 31, 2013 Partnership's 6% senior notes due 2021 Exterran Partners, L.P. | Apr. 30, 2014 Partnership's 6% senior notes due October 2022 Exterran Partners, L.P. | Sep. 30, 2014 Partnership's 6% senior notes due October 2022 Exterran Partners, L.P. | Apr. 30, 2014 Partnership's 6% senior notes due October 2022 Exterran Partners, L.P. Prior to April 1, 2017 item | Apr. 30, 2014 Partnership's 6% senior notes due October 2022 Exterran Partners, L.P. Twelve month period beginning April 1, 2018 | Apr. 30, 2014 Partnership's 6% senior notes due October 2022 Exterran Partners, L.P. Twelve month period beginning April 1, 2019 | Apr. 30, 2014 Partnership's 6% senior notes due October 2022 Exterran Partners, L.P. Beginning April 1, 2020 and thereafter | Jun. 30, 2014 4.25% convertible senior notes due June 2014 | Sep. 30, 2014 4.25% convertible senior notes due June 2014 | Sep. 30, 2014 4.25% convertible senior notes due June 2014 D | Dec. 31, 2013 4.25% convertible senior notes due June 2014 | Jun. 30, 2009 4.25% convertible senior notes due June 2014 | Jan. 31, 2013 4.75% convertible senior notes | Mar. 31, 2013 4.75% convertible senior notes | Sep. 30, 2014 Revolving credit facility due July 2016 | Mar. 31, 2013 Partnership's revolving credit facility and term loan facility Exterran Partners, L.P. | Mar. 31, 2013 Partnership's revolving credit facility Exterran Partners, L.P. | Sep. 30, 2014 Partnership's revolving credit facility Exterran Partners, L.P.
Long-Term Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 386,500,000 |  |  |
Outstanding letters of credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 126,400,000 |  |  |
Undrawn capacity under revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 387,100,000 |  |  | 270,000,000
Available borrowings under revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 387,100,000 |  |  | 270,000,000
Reduction in borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000,000 |
Revolving credit facility borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 650,000,000 |
Write-off of deferred financing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 900,000 |  | 700,000 |  |
Transaction costs |  |  | 7,600,000 |  |  | 6,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,300,000 |  |
Principle amount of senior notes |  |  | 350,000,000 |  |  | 350,000,000 |  |  |  |  |  |  |  |  |  | 355,000,000 |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | 6.00% | 6.00% | 6.00% | 6.00% |  |  |  |  |  | 4.25% | 4.25% | 4.25% |  | 4.75% |  |  |  |  |
Proceeds from borrowings of long-term debt | 1,849,799,000 | 1,778,037,000 | 336,900,000 |  |  | 337,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of unamortized discount of notes |  |  | 5,500,000 | 4,600,000 | 5,000,000 | 5,700,000 | 5,400,000 |  |  |  |  |  |  |  | 11,300,000 |  |  |  |  |  |  |
Effective interest rate (as a percent) |  |  |  | 6.25% |  | 6.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum registration period |  |  |  |  |  | 365 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of the aggregate principal amount of debt instruments that may be redeemed |  |  |  |  |  |  |  | 35.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum number of equity offerings |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price as percentage of principal amount |  |  |  |  |  |  |  | 106.00% | 103.00% | 101.50% | 100.00% |  |  |  |  |  |  |  |  |  |  |
Minimum notes remaining outstanding if notes redeemed prior to 2017 (as a percent) |  |  |  |  |  |  |  | 65.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of days within which the entity may redeem a percentage of the note following the date of the closing of equity offering |  |  |  |  |  |  |  | 180 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion rate of debt instrument (Shares per USD) |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0435084 |  |  |  |  |  |  |  |
Conversion price per common stock shares (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 22.98 | $ 22.98 |  |  |  |  |  |  |  |
Price per share of common stock for call options purchased (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 22.98 | $ 22.98 |  |  |  |  |  |  |  |
Warrant exercise price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 32.33 | $ 32.33 |  |  |  |  |  |  |  |
Effective conversion price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 32.33 | $ 32.33 |  |  |  |  |  |  |  |
Debt instrument face amount for effective conversion price |  |  |  |  |  |  |  |  |  |  |  |  | 325,000,000 | 325,000,000 |  |  |  |  |  |  |  |
Number of trading days over which counterparties have the right to exercise the warrants |  |  |  |  |  |  |  |  |  |  |  |  |  | 80 |  |  |  |  |  |  |  |
Repayment of long term debt |  |  |  |  |  |  |  |  |  |  |  | 370,000,000 |  |  |  |  | 143,800,000 |  |  |  |  |
Number of shares of common stock issued upon redemption of debt |  |  |  |  |  |  |  |  |  |  |  | 6,800,000 |  |  |  |  |  |  |  |  |  |
Number of shares acquired upon exercise of call options |  |  |  |  |  |  |  |  |  |  |  | 6,500,000 |  |  |  |  |  |  |  |  |  |
Value of shares acquired upon exercise of call options | $ 89,407,000 |  |  |  |  |  |  |  |  |  |  | $ 89,400,000 |  |  |  |  |  |  |  |  |  |
Common shares issued pursuant to warrants exercised |  |  |  |  |  |  |  |  |  |  |  |  | 498,254 |  |  |  |  |  |  |  |  |
Redemption price as percentage of principal amount of debt redeemed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration