INVESTMENT SECURITIES - Narrative (Details) $ in Millions |
3 Months Ended | 12 Months Ended |
|---|---|---|
|
Mar. 31, 2026
USD ($)
security
|
Dec. 31, 2025
USD ($)
security
|
|
| Debt Securities, Available-for-Sale [Line Items] | ||
| Number of securities | security | 228 | 179 |
| Sale of securities | $ 0.0 | $ 0.0 |
| Proceeds from maturity of debt Securities | 5.0 | 0.6 |
| Gain on sale of investments | 0.0 | 0.0 |
| Frandisco P&C | ||
| Debt Securities, Available-for-Sale [Line Items] | ||
| Debt securities, restricted | 68.7 | 63.9 |
| Frandisco Life | ||
| Debt Securities, Available-for-Sale [Line Items] | ||
| Debt securities, restricted | $ 43.1 | $ 39.9 |
| X | ||||||||||
- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| 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 Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Cash received from sale of investments in debt and equity securities, classified as operating activities, during the period; includes trading securities and any other investments classified as operating. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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
|
| X | ||||||||||
- Details
|