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PARTNERS' EQUITY Table 3 (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Distributions Made to Limited Partners and General Partner [Line Items]        
General partner interest $ 1,961 $ 1,628 $ 5,525 $ 4,847
General partner incentive distribution 10,805 8,972 30,437 26,503
Total general partner distribution 12,766 10,600 35,962 31,350
Limited partners' distribution 85,285 70,814 240,241 211,019
Total cash distributions $ 98,051 $ 81,414 $ 276,203 $ 242,369
Cash distributions per unit applicable to limited partners $ 1.095 $ 1.095 $ 3.285 $ 3.265