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Omnibus Incentive Compensation Plan (Table) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Employee equity compensation
 
Units  
Unvested, beginning of period 536,666
Granted 0
Vested 2,600
Forfeited 0
Unvested, end of period 534,066
Grant-date fair value  
Unvested, beginning of period $ 3,985
Granted 0
Vested 17
Forfeited 0
Unvested, end of period 3,968
Non-Employee equity compensation
 
Units  
Unvested, beginning of period 650,464
Granted 0
Vested 0
Forfeited 0
Unvested, end of period 650,464
Grant-date fair value  
Unvested, beginning of period 4,736
Granted 0
Vested 0
Forfeited 0
Unvested, end of period $ 4,736