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Commitments and Contingencies Future Obligations (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Unrecorded Unconditional Purchase Obligation [Line Items]    
October 1, 2013 - December 31, 2013 $ 261 $ 160
2014 731 160
2015 732 160
2016 733 160
2017 737 160
Thereafter 6,754 600
Total $ 9,948 $ 1,400