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Revolving Loan - Narrative (Details) - Revolving Credit Facility - Line of Credit - USD ($)
1 Months Ended
Jul. 31, 2019
Mar. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]      
Aggregate principal amount of secured revolving loan facility $ 30,000,000.0    
Floor interest rate 5.25%    
Loans outstanding   $ 0 $ 0
Prime Rate      
Debt Instrument [Line Items]      
Floating interest rate 0.25%