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Significant Accounting Policies - Summary of Assets Under Management Subject to Fees (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
Quarter Ending September 30, 2021  
Principal Transaction Revenue [Line Items]  
AUM subject to performance-based fees $ 339,721,553
Unearned performance-based fees 9,228,080
Quarter Ending December 31, 2021  
Principal Transaction Revenue [Line Items]  
AUM subject to performance-based fees 60,887,198
Unearned performance-based fees 0
Total  
Principal Transaction Revenue [Line Items]  
AUM subject to performance-based fees 400,608,751
Unearned performance-based fees $ 9,228,080