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Summary of Significant Accounting Policies - Financial Covenants (Details) - Second Amendment - Line of Credit
May 11, 2020
USD ($)
May 10, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Maximum consolidated leverage ratio 5.25 4.25
Minimum liquidity during next fiscal quarter $ 50,000,000  
Minimum liquidity, year one $ 75,000,000