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Significant Accounting Policies - Summary of Assets Under Management Subject to Fees (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
Quarter Ending March 31, 2020  
Principal Transaction Revenue [Line Items]  
AUM subject to variable rate fees $ 14,805,313
Unearned variable rate fees 0
Quarter Ending September 30, 2021  
Principal Transaction Revenue [Line Items]  
AUM subject to variable rate fees 308,024,014
Unearned variable rate fees 6,932,423
Total  
Principal Transaction Revenue [Line Items]  
AUM subject to variable rate fees 322,829,327
Unearned variable rate fees $ 6,932,423