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Schedule of Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Class of Stock |  |  |  |  |  |  |  |
Dividends declared per share (in usd per share) | $ 0.06 | $ 0.06 |  | $ 0.06 | $ 0.06 |  |  |
Aggregate amount of dividends | $ 2,576 | $ 2,591 | $ 2,595 | $ 2,581 | $ 2,578 | $ 2,571 | $ 7,762 | $ 7,730
Common Stock, Dividends, Per Share, Cash Paid | $ 2,589 |  |  |  |  |  |  |

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