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Borrowings - Summary of Borrowings under Credit Agreement (Parenthetical) (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Debt Instrument [Line Items]          
Percentage of initial principal amount of the term loans     0.625%    
Interest expense for the amortization of deferred debt issuance costs     $ 663,294 $ 203,702  
Interest Expense          
Debt Instrument [Line Items]          
Interest expense for the amortization of deferred debt issuance costs $ 300,000 $ 100,000 $ 600,000 $ 200,000  
Revolving Credit Facility          
Debt Instrument [Line Items]          
Variable interest rate     3.81%   5.26%
Term Loan          
Debt Instrument [Line Items]          
Variable interest rate     3.81%   5.26%
Delayed Draw Term Loan          
Debt Instrument [Line Items]          
Variable interest rate     3.81%   5.26%