XML 98 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2012
Fair Value Disclosures [Abstract]  
Fair Value Derivative Instrument
    December 31,
    2012 2011
    Level 2 Level 2
Commodity Swaps*  $ 1,924 $ (2,720)
Total  $ 1,924 $ (2,720)
         
         
*Unrealized gains or losses on commodity derivatives qualifying for hedge accounting are recorded in accumulated other comprehensive income at each measurement date. The fair value of derivative contracts included in assets or liabilities for risk management activities represents the amount at which the instruments could be exchanged in a current arms-length transaction adjusted for credit risk of the Partnership and/or the counterparty as required under FASB ASC 820.
Fair Value Financial Instrument
   December 31, 2012 December 31, 2011
   Carrying Fair Carrying Fair
   Value Value Value Value
Long-term debt  $ 1,036,305 $ 1,118,875 $ 798,409 $ 882,500
Obligations under capital lease    25,257   27,667   28,367   27,637