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Off-Balance Sheet Arrangements, Commitments And Contingencies - Leases (Details 2) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Noncancelable future operating lease commitments        
2015 $ 315   $ 315  
2016 1,274   1,274  
2017 1,215   1,215  
2018 860   860  
2019 758   758  
Thereafter 2,141   2,141  
Total 6,563   6,563  
Rent expense under noncancelable operating lease obligations, net of income from noncancelable subleases $ 340 $ 329 $ 1,100 $ 986