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Equity (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2018
Class of Stock [Line Items] |  |  |  |  |
Repurchase of common stock authorized by Board of Directors |  |  |  |  | $ 60,000,000
Common stock repurchased (in shares) |  |  | 135,118 | 55,426 |
Common stock repurchased, value | $ 5,138,000 | $ 20,000 | $ 5,138,000 | $ 1,510,000 |
Common stock repurchased, average price per share (in dollars per share) |  |  | $ 38.03 | $ 27.24 |
Remaining authorized stock repurchase amount | $ 49,800,000 |  | $ 49,800,000 |  |
Dividend rate (as a percent) |  |  | 6.50% |  |
Preferred stock dividends paid |  |  | $ 2,400,000 | $ 2,400,000 |
Common Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock repurchased (in shares) | 135,000 | 1,000 | 135,000 | 56,000 |
Common stock repurchased, value | $ 1,000 | $ 0 | $ 1,000 | $ 0 |

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