v3.4.0.3

LONG-TERM DEBT - Additional Information (Details) - USD ($) $ in Thousands |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2016 | Feb. 27, 2015 | Oct. 31, 2015 | Mar. 31, 2015 | Feb. 28, 2015 | Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015 | Nov. 15, 2013
Long-Term Debt |  |  |  |  |  |  |  |  |
Cash payment for contributed assets |  | $ 99,500 |  |  |  |  | $ 99,500 |  |
Payment for redemption of IDR units |  | 63,000 |  |  |  |  |  |  |
Repayment of credit facility |  | 15,000 |  |  |  |  |  |  |
Interest expense |  |  |  |  |  | $ 3,001 | 3,473 |  |
Deferred loan costs |  |  |  |  |  | 2,885 |  | $ 3,261 |
Long-term debt |  |  |  |  |  | 231,550 |  | 231,735 |
Amount of debt that will become due and payable if the Partnership remains out of compliance with all of the restrictive covenants under the Credit Agreement |  |  |  |  |  | 231,600 |  |  |
Amortization of deferred financing costs |  |  |  |  |  | 376 | $ 423 |  |
Azure Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  | $ 2,300 |  |  |  |
Weighted average interest rate |  |  |  |  | 6.50% |  |  |  |
Allocated weighted average long-term debt |  |  |  |  | $ 192,000 |  |  |  |
Amortization of deferred financing costs |  |  |  |  | $ 300 |  |  |  |
Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  | 231,600 |  |  |
Subsequent Event | Settlement Agreement with AES and NuDevco |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Proceeds from issuance of letter of credit, used to pay down debt under Credit Agreement | $ 15,000 |  |  |  |  |  |  |  |
Amount of debt that will become due and payable if the Partnership remains out of compliance with all of the restrictive covenants under the Credit Agreement | $ 216,600 |  |  |  |  |  |  |  |
ETG System | Azure Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Interest expense |  |  |  | $ 400 |  |  |  |  |
Allocated weighted average long-term debt |  |  |  | 55,100 |  |  |  |  |
Amortization of deferred financing costs |  |  |  | 100 |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Financing costs expense |  | 3,200 |  |  |  |  |  |  |
Revolving Credit Facility | Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Amount outstanding |  | 180,800 |  |  |  |  |  |  |
Interest expense |  |  |  | $ 600 |  | 2,600 |  |  |
Maximum borrowing capacity |  | $ 250,000 |  |  |  |  |  |  |
Deferred loan costs |  |  |  |  |  | $ 2,900 |  | $ 3,300 |
Revolving Credit Facility | Credit Agreement, Second Amendment |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Financing costs expense |  |  | $ 700 |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 238,000 |  |  |  |  |  |
Revolving Credit Facility | Azure | Azure Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  | $ 50,000
Revolving Credit Facility | LIBOR | Minimum | Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  | 3.25% |  |  |  |  |  |  |
Revolving Credit Facility | LIBOR | Maximum | Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  | 4.25% |  |  |  |  |  |  |
Revolving Credit Facility | Base Rate | Minimum | Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  | 2.25% |  |  |  |  |  |  |
Revolving Credit Facility | Base Rate | Maximum | Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  | 3.25% |  |  |  |  |  |  |
Term Loan | Azure | Azure Credit Agreement |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  | $ 550,000

X
- Definition The cash payment portion of the aggregate consideration, consisting of cash and the issuance of IDR units, transferred in exchange for the contribution of the legacy system to the entity, in a transaction that was not accounted for as a business combination since it is considered to be the predecessor of the entity. + References No definition available. + Details
Name: | azur_CashConsiderationTransferredForContributedAssets
Namespace Prefix: | azur_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Long-term Debt, Average Outstanding Amount Allocated To Entity + References No definition available. + Details
Name: | azur_LongTermDebtAverageOutstandingAmountAllocatedToEntity
Namespace Prefix: | azur_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of payment for the redemption of Incentive Distribution Rights Units. + References No definition available. + Details
Name: | azur_PaymentForRedemptionOfIncentiveDistributionRightsUnits
Namespace Prefix: | azur_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The proceeds from the issuance of the letter of credit, issued by the related party's bank, to pay down the existing debt under the Credit Agreement. + References No definition available. + Details
Name: | azur_ProceedsFromIssuanceOfLetterOfCreditUsedToPayDownExistingDebt
Namespace Prefix: | azur_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of debt that will become due if the Partnership remains out of compliance with all of the restrictive covenants contained in the Credit Agreement unless those requirements are waived or amended. + References No definition available. + Details
Name: | azur_SubstantialDoubtAboutGoingConcernDebtCovenantsInEventOfDefaultExistingIndebtednessDueAndPayable
Namespace Prefix: | azur_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 + Details
Name: | us-gaap_AmortizationOfFinancingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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 FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_RepaymentsOfLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azur_AzureCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azur_CreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=azur_SettlementAgreementWithESAndNuDevcoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=azur_EtgSystemMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azur_CreditAgreementSecondAmendmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=azur_AzureMidstreamEnergyLLCandAzureMidstreamHoldingsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_MediumTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |