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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Operating Leases, Future Minimum Rental Payments [Line Items]  
2014 $ 1,330
2015 1,150
2016 913
2017 763
2018 645
Thereafter 3,921
Operating Leases Future Minimum Payments Due $ 8,722