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Schedule of Distributions Declared (Detail) - USD ($) $ in Thousands |  |  |  |  |  |  | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 07, 2024 | Jun. 28, 2024 | Mar. 28, 2024 | Oct. 16, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Payment of dividends |  | $ 4,782 | $ 4,774 | $ 4,752 | $ 3,385 | $ 3,375 | $ 3,410 | $ 14,326 | $ 10,150
O 2024 Q1 Dividends |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Approval Date |  |  |  |  |  |  |  | Mar. 06, 2024 |
Record Date |  |  |  |  |  |  |  | Mar. 21, 2024 |
Payment Date |  |  |  |  |  |  |  | Mar. 28, 2024 |
O 2024 Q2 Dividends |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Approval Date |  |  |  |  |  |  |  | Jun. 06, 2024 |
Record Date |  |  |  |  |  |  |  | Jun. 21, 2024 |
Payment Date |  |  |  |  |  |  |  | Jun. 28, 2024 |
O 2024 Q3 Dividends |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Approval Date |  |  |  |  |  |  |  | Sep. 19, 2024 |
Record Date |  |  |  |  |  |  |  | Sep. 30, 2024 |
Payment Date |  |  |  |  |  |  |  | Oct. 07, 2024 |
O 2023 Q1 Dividends |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Approval Date |  |  |  |  |  |  |  |  | Mar. 02, 2023
Record Date |  |  |  |  |  |  |  |  | Mar. 24, 2023
Payment Date |  |  |  |  |  |  |  |  | Mar. 31, 2023
O 2023 Q2 Dividends |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Approval Date |  |  |  |  |  |  |  |  | Jun. 01, 2023
Record Date |  |  |  |  |  |  |  |  | Jun. 23, 2023
Payment Date |  |  |  |  |  |  |  |  | Jun. 30, 2023
O 2023 Q3 Dividends |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Approval Date |  |  |  |  |  |  |  |  | Sep. 28, 2023
Record Date |  |  |  |  |  |  |  |  | Oct. 09, 2023
Payment Date |  |  |  |  |  |  |  |  | Oct. 16, 2023
Unvested Shares, Net of Forfeitures |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Approval Date | [1] |  |  |  |  |  |  | Various | Various
Record Date | [1] |  |  |  |  |  |  | Various | Various
Payment Date | [1] |  |  |  |  |  |  | Various | Various
Payment of dividends | [1] |  |  |  |  |  |  | $ 18 | $ (20)
[1] | Represents distributions declared on unvested shares, net of forfeitures.

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