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Long-Term Incentive Plan Units (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended 4 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2007
Manager [Member]
Long-Term Incentive Plan Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
LTIP units granted         375,000
Allocated Share-based Compensation Expense $ 64 $ 43 $ 127 $ 85