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Significant Accounting Policies - Assets under Management (AUM) Subject to Incentive Fees and Incentive Fees (Detail)	3 Months Ended
	Mar. 31, 2018 USD ($)
Quarter Ending December 31, 2018
Principal Transaction Revenue [Line Items]
AUM subject to variable fees	$ 102,156,797
Unearned variable fees	1,344,684
Quarter Ending September 30, 2019
Principal Transaction Revenue [Line Items]
AUM subject to variable fees	33,972,696
Unearned variable fees	554,469
Quarter Ending March 31, 2020
Principal Transaction Revenue [Line Items]
AUM subject to variable fees	12,525,268
Unearned variable fees	0
Quarter Ending September 30, 2021
Principal Transaction Revenue [Line Items]
AUM subject to variable fees	260,254,923
Unearned variable fees	3,057,232
Total
Principal Transaction Revenue [Line Items]
AUM subject to variable fees	408,909,684
Unearned variable fees	$ 4,956,385

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- Definition

Assets under management (AUM) subject to variable performance fees and variable performance fees.

+ References

No definition available.

+ Details

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- Definition

Potential Variable Fees Based Upon Current Investment Results

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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