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Derivatives (Details) - USD ($)
3 Months Ended 12 Months Ended
Sep. 26, 2019
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Mar. 31, 2018
Derivative [Line Items]            
Loss on derivative liability   $ 1,300,000 $ 1,284,000 $ 0 $ (1,581,000)  
Interest rate swap agreement            
Derivative [Line Items]            
Derivative fixed interest rate           2.627%
Derivative, notional amount           $ 48,800,000.0
Cash Flow Hedging | Interest rate swap agreement            
Derivative [Line Items]            
Interest rate swap agreement       $ 200,000    
Payment for derivative termination $ 1,300,000          
Loss on derivative liability   $ 1,300,000        
Term Loan, net | Senior Debt            
Derivative [Line Items]            
Debt fixed interest rate           50.00%