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Series A Preferred Units (Tables)
6 Months Ended
Jun. 30, 2013
Series A Preferred Units disclosure [Abstract]  
Schedule of Preferred Units [Table Text Block]
The following table provides a reconciliation of the beginning and ending balances of the Series A Preferred Units for the six months ended June 30, 2013:

 
Units
 
Amount
 
Outstanding at beginning of period
4,371,586

 
$
73

 
Accretion to redemption value

 

 
Outstanding at end of period
4,371,586

 
$
73

*

* This amount will be accreted to $80 million plus any accrued but unpaid distributions and interest by deducting amounts from
partners' capital over the remaining periods until the mandatory redemption date of September 2, 2029.