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Long Term Debt - Term Loan Amendment (Details) - Term loan - BT Loan Agreement
2 Months Ended 6 Months Ended 7 Months Ended 12 Months Ended 18 Months Ended
Jun. 10, 2019
USD ($)
May 31, 2020
USD ($)
Nov. 30, 2020
USD ($)
Dec. 30, 2020
USD ($)
May 31, 2020
USD ($)
Jun. 20, 2022
USD ($)
Dec. 31, 2020
Debt Instrument [Line Items]              
Total leverage ratio 3.0            
One-time fee for issuance of debt $ 6,700,000            
London Interbank Offered Rate (LIBOR)              
Debt Instrument [Line Items]              
Basis spread on variable rate 8.00%            
Forecast              
Debt Instrument [Line Items]              
Total leverage ratio             2.50
Minimum liquidity   $ 40,000,000 $ 30,000,000 $ 30,000,000.0 $ 40,000,000.0 $ 20,000,000.0