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Stockholders' Equity - Additional Information (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 11, 2024 | Mar. 06, 2023 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Termination date of stock repurchase program | Mar. 31, 2025 | Mar. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued under dividend reinvestment plan |  |  | 4,388 |  |  |  | 3,685 |  |  |  | 12,488 |  | 22,079 |  |
Shares outstanding at end of period |  |  | 9,231,454 | [1],[2] |  |  | 9,480,362 | [1],[2] |  |  | 9,231,454 | [1],[2] | 9,480,362 | [1],[2] | 9,383,132
Stock repurchases, value |  |  | $ 638,000 | [1] | $ 1,553,000 | $ 953,000 | $ 1,222,000 | [1] | $ 553,000 | $ 792,000 | $ 3,144,000 | [1] | $ 2,566,000 | [1] |
4.875% Notes due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  | 4.875% |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase program, authorized amount |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Period of stock repurchase program |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchases, shares |  |  |  |  |  |  | 60,559 |  |  |  |  |  | 123,253 |  |
Stock repurchases, value |  |  |  |  |  |  | $ 1,200,000 |  |  |  |  |  | $ 2,600,000 |  |
Renewed Stock Repurchase Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase program, authorized amount | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of stock repurchase program | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchases, shares |  |  | 33,429 |  |  |  |  |  |  |  | 164,166 |  |  |  |
Stock repurchases, value |  |  | $ 600,000 |  |  |  |  |  |  |  | $ 3,100,000 |  |  |  |
[1] | Refer to Note 9 “Stockholders' Equity” for additional information on changes in components of Stockholders' Equity.
[2] | Totals may not sum due to rounding.

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