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INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 01, 2022 | Dec. 31, 2021 | Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items] |  |  |
Fair value of securities transferred from available for sale to fixed maturities, held to maturity | $ 405,000 | $ 405,000 |
Allowance for expected credit losses |  | 0 | $ 0
Fixed maturities, held to maturity, at amortized cost |  | 446,016 | $ 698,351
Limited Partner |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Percentage of investment composition (as a percent) |  |  | 71.00%
ABS |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Held to maturity securities with no single maturity date |  | 408,000 | $ 613,000
Allowance for expected credit losses |  | 0 | 0
Fixed maturities, held to maturity, at amortized cost |  | 408,316 | 613,151
Corporate debt |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |
Allowance for expected credit losses |  | 0 | 0
Held To Maturity Securities Debt Maturities After Three Through Ten Years Net Carrying Amount |  | 34,000 | 81,000
Held to maturity securities due after ten years |  | 4,000 | 4,000
Fixed maturities, held to maturity, at amortized cost |  | $ 37,700 | $ 85,200

X
- Definition Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) with single maturity date and allocated without single maturity date, maturing in third through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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