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Related-Party Transactions (Details) - USD ($)
$ in Thousands
7 Months Ended 12 Months Ended
Aug. 07, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2015
Related Party Transaction [Line Items]        
Notes receivable from employees   $ 108   $ 0
Company owned by former member of Board of Directors | Lease of Indiana operating facility        
Related Party Transaction [Line Items]        
Rent paid $ 108 $ 175 $ 175