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v3.24.3

Significant Accounting Policies - Investment in Marketable Securities - Additional Information (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 USD ($) security | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) security | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Real Estate [Line Items] |  |  |  |  |
Proceeds from sale of marketable securities | $ 0 | $ 0 | $ 0 | $ 0 |
Equity marketable securities | 0 |  | 0 |  | $ 0
Commercial mortgage-backed securities |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |
Cost basis of commercial mortgage backed securities | $ 16,900,000 |  | $ 16,900,000 |  | 11,500,000
Number of securities in unrealized gain position | security | 1 |  | 1 |  |
Unrealized gain |  |  | $ 100,000 |  |
Fair market value | $ 5,400,000 |  | 5,400,000 |  |
Unrealized loss |  |  | 900,000 |  | 1,900,000
Fair value of security in a continuous unrealized loss position for less than 12 months | $ 11,100,000 |  | $ 11,100,000 |  | $ 9,600,000
Debt securities, available-for-sale, continuous unrealized loss position, less than 12 months, number of positions | security | 2 |  | 2 |  |
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, number of positions | security | 1 |  | 1 |  |

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