v3.3.1.900

Related Party Transactions (Details 4) - CRRM $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) renewal | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Office and Laboratory Space Lease Agreement |  |  |
Related Party Transaction [Line Items] |  |  |
Rent expense | $ | $ 113 | $ 112 | $ 107
Office and Laboratory Space Lease Agreement | CRNF |  |  |
Related Party Transaction [Line Items] |  |  |
Notice period for termination of agreement | 180 days |  |
Number of times agreement can be renewed | renewal | 5 |  |
Additional renewal period of agreement | 1 year |  |
Office and Laboratory Space Lease Agreement | CRNF | Minimum |  |  |
Related Party Transaction [Line Items] |  |  |
Notice period for termination of agreement | 60 days |  |
Environmental Agreement | CRNF | Minimum |  |  |
Related Party Transaction [Line Items] |  |  |
Initial term of agreement (in years) | 20 years |  |

X
- Definition Related Party Transaction Additional Renewal Period of Agreement + References No definition available. + Details
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Namespace Prefix: | uan_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the initial term of the agreement. + References No definition available. + Details
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Namespace Prefix: | uan_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the notice period for termination of the agreement. + References No definition available. + Details
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Namespace Prefix: | uan_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Related Party Transaction Number of Times Agreement can be Renewed + References No definition available. + Details
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Namespace Prefix: | uan_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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- Details
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- Details
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- Details
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Namespace Prefix: |
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