INVESTMENTS - Summary of Debt Securities, Held-to-Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract]
Amortized cost	$ 698,351	$ 446,016
Allowance for expected credit losses	0	0
Net carrying value	698,351	446,016
Gross unrealized gains	0	99
Gross unrealized losses	(23,608)	(1,082)
Fair value	674,743	445,033
Corporate debt
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract]
Amortized cost	85,200	37,700
Allowance for expected credit losses	0	0
Net carrying value	85,200	37,700
Gross unrealized gains	0	18
Gross unrealized losses	(11,428)	(146)
Fair value	73,772	37,572
ABS
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract]
Amortized cost	613,151	408,316
Allowance for expected credit losses	0	0
Net carrying value	613,151	408,316
Gross unrealized gains	0	81
Gross unrealized losses	(12,180)	(936)
Fair value	$ 600,971	$ 407,461

Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

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-Publisher FASB
-Name Accounting Standards Codification
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Amount excluding accrued interest, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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