CONDENSED CONSOLIDATED BALANCE SHEETS - UNAUDITED (Parenthetical) - USD ($) shares in Millions	Jun. 30, 2022	Dec. 31, 2021
Amortized cost, fixed maturities	$ 124,900,000	$ 129,500,000
Amortized cost, short term investments	500,000	0
Allowance for premiums receivable	3,800,000	5,400,000
Allowance for credit loss	$ 100,000	$ 200,000
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	100.0	100.0
Preferred stock, shares issued (in shares)	14.1	14.1
Preferred stock, shares outstanding (in shares)	14.1	14.1
Preferred stock, liquidation preference	$ 126,500,000	$ 126,500,000
Class A Shares
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	1,000.0	1,000.0
Common stock, shares issued (in shares)	161.0	142.9
Common stock, shares outstanding (in shares)	161.0	142.9
Class B Shares
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	269.0	269.0
Common stock, shares issued (in shares)	93.8	109.9
Common stock, shares outstanding (in shares)	93.8	109.9