INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
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
Debt securities held to maturity	446,016
Allowance for expected credit losses	0
ABS
Schedule Of Available For Sale Securities [Line Items]
Debt securities held to maturity	408,316
Allowance for expected credit losses	0
Held to maturity securities with no single maturity date	408,000	$ 0
Corporate debt
Schedule Of Available For Sale Securities [Line Items]
Debt securities held to maturity	37,700
Allowance for expected credit losses	0
Held to maturity securities due after five years through ten years	34,000	0
Held to maturity securities due after ten years	$ 4,000	$ 0

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Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

+ References

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