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Related Party Transactions - Summary of Related Party Costs (Detail) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Related Party Transaction [Line Items] |  |  |
Related party costs, Incurred | $ 1,101,892 | $ 1,396,315 | $ 2,434,773
Related party costs, Paid | 1,086,642 | 1,570,876 | 2,517,911
Due to affiliates | 424,980 | 409,730 | 584,291
Dealer Manager |  |  |
Related Party Transaction [Line Items] |  |  |
Due to affiliates | 424,980 | 409,730 | 584,291
Transfer Agent fees |  |  |
Related Party Transaction [Line Items] |  |  |
Related party costs, Incurred | 1,101,892 | 1,242,655 | 967,341
Related party costs, Paid | 1,086,642 | 1,260,896 | 916,349
Transfer Agent fees | Dealer Manager |  |  |
Related Party Transaction [Line Items] |  |  |
Due to affiliates | 84,001 | 68,751 | 86,992
Transfer Agent expenses |  |  |
Related Party Transaction [Line Items] |  |  |
Related party costs, Incurred |  | 100,000 | 150,000
Related party costs, Paid |  | 100,000 | 150,000
Stockholder servicing fee |  |  |
Related Party Transaction [Line Items] |  |  |
Related party costs, Incurred |  | 53,660 | 161,545
Related party costs, Paid |  | 209,980 | 636,654
Stockholder servicing fee | Dealer Manager |  |  |
Related Party Transaction [Line Items] |  |  |
Due to affiliates |  |  | 156,320
Other |  |  |
Related Party Transaction [Line Items] |  |  |
Related party costs, Incurred |  |  | 1,155,887
Related party costs, Paid |  |  | 814,908
Due to affiliates |  | 340,979 |
Other | Dealer Manager |  |  |
Related Party Transaction [Line Items] |  |  |
Due to affiliates | $ 340,979 | $ 340,979 | $ 340,979

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