INVESTMENTS - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF AMORTIZED COST PRIOR TO SALE (Details) - Fixed Maturities $ in Millions	Dec. 31, 2022 USD ($) product_distribution_channel
Debt Securities, Available-for-sale [Line Items]
Less than 6 months prior to sale, Number of issuers | product_distribution_channel	21
Greater than or equal to 6 months and less than 12 months prior to sale, Number of issuers | product_distribution_channel	3
Less than 6 months prior to sale, Amortized cost	$ 85.6
Greater than or equal to 6 months and less than 12 months prior to sale, Amortized cost	6.1
Amortized cost, Total	91.7
Less than 6 months prior to sale, Fair value	51.8
Greater than or equal to 6 months and less than 12 months prior to sale, Fair value	4.2
Fair value, Total	$ 56.0