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Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Statement of Stockholders' Equity [Abstract] |  |  |  |
Dividend per share | $ 0.21 | $ 0.19 | $ 0.42 | $ 0.38
Purchase of treasury shares | 21,115 |  | 21,115 |
Exercise of stock option, shares |  |  |  | 6,054

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