INVESTMENTS - Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($) category	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) category	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Investments, Debt and Equity Securities [Abstract]
Interest receivable	$ 3.2		$ 3.2		$ 3.1
Debt securities, available-for-sale, realized loss	(0.1)	$ 0.1	(0.1)	$ 0.2
Debt securities, available-for-sale, realized gain	$ 0.2	$ 0.2	$ 0.4	$ 0.4
Number of investment categories \| category	2		2

Number Of Investment Categories

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- Definition

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

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- Definition

Amount of realized loss on 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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- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477802/946-310-45-1

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- References

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