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CONDENSED CONSOLIDATED BALANCE SHEETS - UNAUDITED (Parenthetical) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Amortized cost, fixed maturities | $ 132.3 | $ 215.4
Amortized cost, short term investments | 0.3 | 3.0
Allowance for premiums receivable | $ 3.2 | $ 3.5
Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Preferred stock, shares authorized (in shares) | 100,000,000.0 | 100,000,000.0
Preferred stock, shares issued (in shares) | 0 | 0
Preferred stock, shares outstanding (in shares) | 0 | 0
Class A Common Stock |  |
Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Common stock, shares authorized (in shares) | 1,000,000,000.0 | 1,000,000,000.0
Common stock, shares issued (in shares) |  | 59,400,000
Common stock, shares outstanding (in shares) |  | 59,400,000
Class B Common Stock |  |
Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Common stock, shares authorized (in shares) | 269,000,000.0 | 269,000,000.0
Common stock, shares issued (in shares) |  | 192,200,000
Common stock, shares outstanding (in shares) |  | 192,200,000

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