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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
5 Months Ended 6 Months Ended
Jul. 11, 2017
Dec. 31, 2017
Jun. 30, 2020
Dec. 31, 2019
Jun. 28, 2017
Loss Contingencies [Line Items]          
Long-term contingent consideration     $ 500 $ 500  
Minimum          
Loss Contingencies [Line Items]          
Estimated tax required to be paid if appeal is lost     1,000    
Maximum          
Loss Contingencies [Line Items]          
Estimated tax required to be paid if appeal is lost     1,500    
Chapter 11 Bankruptcy          
Loss Contingencies [Line Items]          
Long-term contingent consideration         $ 8,500
Amount to be transferred upon emergence from chapter 11 $ 500 $ 500      
Amount to be transferred when required permits are delivered $ 500   $ 500