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Commitments and Contingencies (Schedule of Future Minimum Commitments) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Commitments and Contingencies [Abstract]  
2014 $ 1,073
2015 1,222
2016 1,239
2017 661
2018 542
Thereafter 406
Future minimum commitments $ 5,143