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v3.24.0.1

Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended
--- | --- | ---
May 27, 2020 | Dec. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Issuer's Redemption Option, Period to Redeem After a Redemption Event | 90 days |  |
Preferred Stock, Redemption Price Per Share | $ 1,000 |  |
Earnings Per Share [Line Items] |  |  |
Preferred stock, shares authorized |  | 10,000,000 |
Preferred stock dividends |  | $ 36.0 | $ 36.0
Preferred stock dividends, cash |  | $ 36.0 | $ 36.0
Preferred Stock, Dividends Per Share, Declared |  | $ 60.00 | $ 60.00
Preferred Stock, Dividends, Per Share, Cash Paid |  | 60.00 | $ 60.00
Rating Agency Event [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Preferred Stock, Redemption Price Per Share | 1,020 |  |
Regulatory Capital Event [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Preferred Stock, Redemption Price Per Share | $ 1,000 |  |
Series A Preferred Stock [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Preferred Stock, Dividend Rate, Reset Percentage | 5.662% |  |
Preferred Stock, Reset Period | 5 years |  |
Preferred Stock, Liquidation Preference Per Share | $ 1,000 |  |
Earnings Per Share [Line Items] |  |  |
Preferred Stock, No Par Value |  | $ 0 |
Preferred stock, shares issued |  | 600,000 | 600,000
Preferred stock, shares outstanding |  | 600,000 | 600,000
Preferred Stock, Dividend Rate, Percentage | 6.00% |  |

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