SUMMARY OF INVESTMENTS - Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Amortized Cost
Due in one year or less	$ 27,053
Due after one year through five years	408,212
Due after five years through 10 years	456,420
Due after 10 years	221,017
Amortized Cost	2,340,146	$ 2,239,173
Fair Value
Due in one year or less	27,054
Due after one year through five years	400,851
Due after five years through 10 years	444,371
Due after 10 years	208,247
Fair Value	2,283,519	$ 2,205,350
Asset-backed securities
Amortized Cost
Asset-backed securities	1,227,444
Fair Value
Asset-backed securities	1,202,996
Fixed Maturities
Amortized Cost
Amortized Cost	2,340,146
Fair Value
Fair Value	$ 2,283,519

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth 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).

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-Topic 942
-SubTopic 320
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477268/942-320-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

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-Name Accounting Standards Codification
-Section 50
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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth 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

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+ References

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+ References

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Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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