STATEMENTS OF CHANGES IN MEMBERS' CAPITAL (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Beginning Balance   $ 8,850 $ 10,665 $ 10,665
Distributions to Other Members ($0.27 per Unit)       (3,729)
Distributions to Managing Member       (302)
Net income 506 928 799 2,216
Ending Balance 9,778 9,778   8,850
Other Members
        
Beginning Balance (in units)   13,560,188 13,560,188 13,560,188
Ending Balance (in units) 13,560,188 13,560,188   13,560,188
Beginning Balance   8,850 10,665 10,665
Distributions to Other Members ($0.27 per Unit)       (3,729)
Net income   928   1,914
Ending Balance 9,778 9,778   8,850
Managing Member
        
Distributions to Managing Member       (302)
Net income       $ 302