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v3.22.2.2

Common Stock - Additional Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Aug. 21, 2014
Class of Stock [Line Items] |  |  |  |  |  |  |
Maximum common stock can be purchased under repurchase program | $ 5,000,000 |  | $ 5,000,000 |  |  |  |
Common Stock, Shares, Outstanding | 24,437,400 |  | 24,437,400 |  | 24,437,400 |  |
Common Stock |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Shares issued during the period | 0 | 0 | 0 | 0 |  |  |
Common stock issued under At the market program |  |  | 0 |  | 0 | 0 |
Maximum common stock can be purchased under repurchase program | $ 5,000,000 |  | $ 5,000,000 |  |  |  |
Number of shares repurchased under repurchase program | 0 | 0 | 0 | 0 |  |  |
Common Stock | Raymond James & Associates, Inc. and Robert W. Baird & Co |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Maximum aggregate offering price of common stock under at-the-market program |  |  |  |  |  |  | $ 50,000,000

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