v3.26.1
INSURANCE OPERATIONS - Narrative (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Statutory Accounting Practices [Line Items]    
Dividend paid to immediate parent company $ 0 $ 0
UPCIC    
Statutory Accounting Practices [Line Items]    
Dividend paid to immediate parent company 0 0
APPCIC    
Statutory Accounting Practices [Line Items]    
Dividend paid to immediate parent company $ 0 $ 0
UPCIC and APPCIC    
Statutory Accounting Practices [Line Items]    
Minimum capitalization rate 10.00%  
UPCIC and APPCIC | Minimum    
Statutory Accounting Practices [Line Items]    
Minimum capitalization amount $ 15,000,000.0