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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Statement Of Stockholders Equity [Abstract] |  |  |  |  |
Common stock dividends (in USD per share) | $ 0.20 |  | $ 0.17 | $ 0.40 | $ 0.35
Impact of adoption of ASC 326, tax |  |  |  |  | $ 955
Stock dividend rate percentage |  | 10.00% |  | 10.00% |

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