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v3.21.2

Related Party Transactions - Additional Information (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Related Party Transaction [Line Items] |  |  |
Balance with Fund Manager | $ 15,511,000 |  | $ 19,062,000
Maximum [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Fund management fee percent | 0.25% |  |
Other Income (Expense) [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Investment income generated from mutual funds | $ 174,000 | $ 15,000 |
Cash and Cash Equivalents [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Balance with Fund Manager | 9,557,000 |  | 13,282,000
Marketable Securities [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Balance with Fund Manager | $ 5,954,000 |  | $ 5,780,000

X
- Definition Fund management fee percent. + References No definition available. + Details
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X
- Definition The carrying amount of assets an investment adviser manages on behalf of investors. + References No definition available. + Details
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- Definition Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). + 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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- Details
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- Details
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