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v3.25.4

Stockholders' Equity (Narrative) (Details) $ / shares in Units, $ in Millions |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 10, 2025 shares | Dec. 09, 2024 shares | Jan. 26, 2023 shares | Dec. 31, 2025 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 shares | Dec. 31, 2018
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Treasury stock, shares |  |  |  | 10,700,000 | 6,700,000 |  |
Treasury stock, Cost basis | $ |  |  |  | $ 502.9 | $ 264.1 |  |
Shares repurchased |  |  |  | 4,306,200 | 762,993 |  |
Excise tax | $ |  |  |  | $ 2.2 | $ 0.1 |  |
Minimum risk-based capital ratio |  |  |  | 0.08 | 0.08 |  | 0.08
Minimum Tier 1 common equity |  |  |  | 4.50% | 4.50% |  | 4.50%
Minimum Tier 1 capital ratio |  |  |  | 0.06 | 0.06 |  | 0.06
Minimum Tier 1 leverage capital ratio |  |  |  | 0.04 | 0.04 |  | 0.04
Well capitalized total risk based capital ratio |  |  |  | 0.10 | 0.10 |  | 0.10
Well capitalized Tier 1 common equity |  |  |  | 6.50% | 6.50% |  | 6.50%
Well capitalized Tier 1 risk-based capital ratio |  |  |  | 0.08 | 0.08 |  | 0.08
Well capitalized Tier 1 leverage capital ratio |  |  |  | 0.05 | 0.05 |  | 0.05
Minimum requirement of capital conservation buffer ratio |  |  |  | 2.50% |  |  |
Bank Holding Companies and Banks that Meet Certain Criteria [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Minimum Tier 1 leverage capital ratio |  |  |  |  |  |  | 0.03
2018 Stock Buyback Program [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Percentage of shares authorized to be repurchased | 5.00% | 5.00% | 5.00% |  |  |  |
Number of shares authorized for repurchase | 4,100,000 | 4,300,000 | 4,300,000 |  |  |  |
Stock repurchase expiration date | Dec. 31, 2026 |  |  |  |  |  |
Shares repurchased |  |  |  | 4,306,200 | 762,993 | 0 |
2018 Stock Buyback Program [Member] | Common Stock [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Shares purchased average cost per share | $ / shares |  |  |  | $ 57.3 | $ 49.4 |  |
Restricted Stock [Member] |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Number of shares nonvested |  |  |  | 8,520 | 111,964 |  |

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