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Variable Interest Entities (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Oct. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Schedule of Net Income Loss and Aggregate Net Funding Repaid or Provided by Company to Variable Interest Entity [Abstract]        
Aggregate funding repaid to (provided by) the Company, net   $ 950 $ (266) $ 4,126
CCE [Member]        
Schedule of Net Income Loss and Aggregate Net Funding Repaid or Provided by Company to Variable Interest Entity [Abstract]        
Net income (loss)   201 763 2,080
Aggregate funding repaid to (provided by) the Company, net $ 500      
DAD [Member]        
Schedule of Net Income Loss and Aggregate Net Funding Repaid or Provided by Company to Variable Interest Entity [Abstract]        
Net income (loss)   $ (167) $ (104) $ (67)