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Significant Accounting Policies - Authorized Stock (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 10, 2020 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Accounting Policies [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  | 32,000,000 |  |  |  | 32,000,000 |  |  |  | 32,000,000 | 32,000,000 |
Common stock, par value (in dollars per share) |  | $ 0.01 |  |  |  | $ 0.01 |  |  |  | $ 0.01 | $ 0.01 |
Common stock, shares, issued (in shares) |  | 24,402,891 |  |  |  | 24,402,891 |  |  |  | 24,402,891 | 24,592,098 |
Common stock, shares, outstanding (in shares) |  | 24,402,891 |  |  |  | 24,402,891 |  |  |  | 24,402,891 | 24,592,098 |
Issuance of common stock in public offering (in shares) | 2,185,000 |  |  |  |  |  |  |  |  |  |  |
Net proceeds from issuance of common stock | $ 220,200 |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 220,248
Payments of stock issuance costs | $ 9,200 |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  | 8,000,000 |  |  |  | 8,000,000 |  |  |  | 8,000,000 | 8,000,000 |
Outstanding shares of preferred stock (in shares) |  | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
Issued shares of preferred stock (in shares) |  | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
Common stock dividends paid (in dollars per share) |  | $ 0.60 | $ 0.60 | $ 0.60 | $ 0.60 |  |  |  |  |  |  |
Common stock dividends declared (in dollars per share) |  |  |  |  |  | $ 0.60 | $ 0.60 | $ 0.60 | $ 0.60 | $ 2.40 | $ 2.40 | $ 2.40

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