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Intangible and Other Assets Estimated Future Amortization Expense Related to Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Expected Amortization Expense [Line Items]  
2013 remaining 9 months $ 56
2014 64
2015 41
2016 27
2017 23
2018 10
Thereafter 27
Finite-Lived Intangible Assets, Net $ 248