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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Statement of Stockholders' Equity [Abstract] |  |  |  |
Stock option exercise/stock unit conversions (28,832 shares QTD and 144,262 shares YTD in 2022 and 114,252 shares QTD and 628,076 shares YTD during 2021) | 28,832 | 114,252 | 144,262 | 628,076
Purchase of treasury stock (7,459 shares YTD in 2022 and 11,625 shares YTD in 2021) |  |  | 7,459 | 11,625
Treasury stock issued to the 401(k) stock purchase plan (18,555 shares YTD in 2021 ) |  |  |  | 18,555
Cash dividend - preferred stock (Approximately $11.13 and $22.25 per share QTD and YTD in 2022, respectively and $11.13 and $25.46 per share QTD and YTD during 2021, respectively) | $ 11.13 | $ 11.13 | $ 22.25 | $ 25.46
Cash dividend - Preferred Stock Dividends equivalent Per depositary Share Declared ($0.28 and $0.56 QTD and YTD respectively, during 2022 and $0.28 and 0.64 QTD and YTD, respectively during 2021) | 0.28 | 0.28 | 0.56 | 0.64
Cash dividends - common stock ($0.75 per share QTD and $1.50 per share YTD in 2022 and $0.72 per share QTD and $1.44 per share YTD in 2021) | $ 0.75 | $ 0.72 | $ 1.50 | $ 1.44

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