Investments - Schedule of Loans by Maturity (Details) $ in Millions	Dec. 31, 2022 USD ($) loan
Investments, Debt and Equity Securities [Abstract]
Greater than One Year and Less than Three | $	$ 54.8
Greater than Three Years and Less than Five Years | $	33.8
Greater than Five Years and Less than Seven Years | $	20.4
Greater than Seven Years and Less than Ten Years | $	50.9
Total | $	$ 159.9
Greater than One Year and Less than Three | loan	10
Greater than Three Years and Less than Five Years | loan	6
Greater than Five Years and Less than Seven Years | loan	4
Greater than Seven Years and Less than Ten Years | loan	8
Total | loan	28