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v3.24.1.u1

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Investment securities: |  |
Debt Securities, Held-to-maturity, Allowance for Credit Loss | $ 0.7 | $ 0.8
Estimated fair value | $ 2,497.8 | $ 2,874.0
Stockholders' equity: |  |
Nonvoting, noncumulative preferred stock, shares authorized (in shares) | 100,000 | 100,000
Nonvoting, noncumulative preferred stock, shares issued (in shares) | 0 | 0
Nonvoting, noncumulative preferred stock, shares outstanding (in shares) | 0 | 0
Preferred Stock, Shares Outstanding | 0 | 0
Shares outstanding (in shares) | 104,571,623 | 103,941,626
Common Stock, Shares, Issued | 104,571,623 | 103,941,626
Common Stock, Shares Authorized | 150,000,000 |
Common Stock, Par or Stated Value Per Share | $ 0.00001 | $ 0.00001
Preferred Stock, No Par Value | $ 0 | $ 0
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss | $ 6,266.0 | $ 6,307.8
Estimated Fair Value | 5,773.3 | 5,841.5
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest | $ 0.0 | $ 0.0
Class A Common Stock |  |
Stockholders' equity: |  |
Shares outstanding (in shares) |  | 103,941,626
Common Stock, Shares, Issued |  | 103,941,626

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