v2.4.1.9
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 26us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 34us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Prepaid expenses and other current assets, from affiliates 2,346us-gaap_DueFromAffiliateCurrent 1,848us-gaap_DueFromAffiliateCurrent
Other long-term assets, with affiliates 912us-gaap_DueFromAffiliateNoncurrent 957us-gaap_DueFromAffiliateNoncurrent
Accounts payable, due to affiliates 1,752us-gaap_DueToAffiliateCurrent 2,279us-gaap_DueToAffiliateCurrent
Personnel accruals, with affiliates 1,205uan_PersonnelAccrualsWithAffiliates 1,129uan_PersonnelAccrualsWithAffiliates
Accrued expenses and other current liabilities, with affiliates $ 774us-gaap_DueToRelatedPartiesCurrent $ 2,094us-gaap_DueToRelatedPartiesCurrent
Common unitholders, units issued (in units) 73,122,997us-gaap_LimitedPartnersCapitalAccountUnitsIssued 73,122,997us-gaap_LimitedPartnersCapitalAccountUnitsIssued
Common unitholders, units outstanding (in units) 73,122,997us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding 73,122,997us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding