INVESTMENTS - Gross Unrealized Losses (Narrative) (Details) $ in Thousands |
Jun. 30, 2025
USD ($)
security
|
Dec. 31, 2024
USD ($)
security
|
|---|---|---|
| Debt Securities, Available-for-sale [Line Items] | ||
| Number of securities in unrealized loss position | security | 2,389 | 3,994 |
| Unrealized loss position | $ 140,424 | $ 311,335 |
| Number of securities in a continuous unrealized loss position | security | 1,590 | 2,108 |
| Debt securities fair value | $ 1,548,088 | $ 2,253,146 |
| Below Investment Grade or Not Rated | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Unrealized loss position | $ 9,000 | $ 14,000 |
| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|