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Off-Balance Sheet Arrangements, Commitments And Contingencies - Leases (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Noncancelable future operating lease commitments          
2014 $ 1,126   $ 1,126   $ 633
2015         918
2016         870
2017         802
2018         525
Thereafter 2,330   2,330   2,532
Total 6,280   6,280   6,280
Rent expense under noncancelable operating lease obligations, net of income from noncancelable subleases $ 328 $ 353 $ 657 $ 706